Free & Open Source Vibe Coding Tools
High-quality free tools that prove great software doesn't have to cost money
Explore amazing free and open-source tools that deliver professional-grade functionality without the price tag. These tools prove that you can build an incredible vibe coding setup without breaking the bank.
The open-source community has created some of the most innovative and reliable development tools available today. Our free tools collection showcases the best no-cost options for vibe coding, from editors and IDEs to specialized utilities and frameworks. Each tool is selected for its quality, community support, and ability to compete with premium alternatives while maintaining the aesthetic and functional standards that define great vibe coding tools.
Key Benefits
- •No licensing costs or subscriptions
- •Active community support
- •Open source transparency
- •Customizable and extensible
- •No vendor lock-in
Perfect For
- •Learning and education
- •Personal projects
- •Open source contribution
- •Startup development
- •Experimental and hobby projects
All Open Source Tools (126)
Handpicked open source tools that transform your coding environment into a productive workspace.
Free Path
MIT-licensed workflow-inspection plugin that turns coding-agent project and session evidence into prioritized, verifiable improvements.
2.0k+
Unknown
8/27/2026
Free (MIT open source; coding-agent subscriptions, model usage, CI, and hosting costs separate)View Details
Free Path
MIT-licensed local memory server and CLI for carrying coding context, summaries, and handoffs across Claude Code, Codex, Cursor, OpenCode, and other agent clients.
2.8k+
Unknown
8/19/2026
Free (MIT open source; model-provider, embedding, storage, and self-hosting costs separate)View Details
Free Path
MIT-licensed codebase knowledge graph and MCP server for structural search, natural-language exploration, data-flow tracing, and agent-assisted edits across mixed-language repositories.
3.5k+
Unknown
8/11/2026
Free (MIT open source; model-provider, Docker infrastructure, and optional enterprise services cost separately)View Details
Free Path
MIT-licensed control plane for running Claude Code, Codex, Cursor, Grok, and OpenCode threads from desktop, web, iOS, and Android clients.
17.6k+
Unknown
8/10/2026
Free (MIT open source; coding-agent subscriptions, model usage, and remote infrastructure costs separate)View Details
Free Path
MIT-licensed RLM coding and research agent with a persistent IPython control plane, recursive subagents, durable sessions, schedules, goals, and bounded autonomous runs.
6.6k+
Unknown
8/8/2026
Free (MIT open source; model-provider, cloud, and infrastructure costs separate)View Details
Free Path
MIT-licensed workflow plugin that gives Claude Code, Codex, Cursor, OpenCode, and other coding agents a plan-work-review-compound engineering loop.
23.9k+
Unknown
8/5/2026
Free (MIT open source; coding-agent, model, CI, and infrastructure costs separate)View Details
Free Path
MIT-licensed local-first desktop, web, and CLI workspace for searching coding-agent sessions and analyzing activity, tokens, and costs across tools.
4.7k+
Unknown
8/7/2026
Free (MIT open source; model usage, storage, sync, and self-hosting costs separate)View Details
Free Path
MIT-licensed team memory hub that turns agent conversations, documents, and code into governed Chat Memory, Skills, Wiki, and CodeGraph assets.
11.1k+
Unknown
8/3/2026
Free (MIT open source; model inference, storage, database, and deployment costs separate)View Details
Free Path
Open-source desktop workspace and MCP control plane for sharing agent skills, plugins, connected services, and repeatable AI workflows across coding tools and teams.
18.8k+
Unknown
7/31/2026
Free (MIT-licensed core; enterprise directory and hosted services have separate terms)View Details
Free Path
Open-source agent skill and Python CLI that converts technical books and document collections into structured, on-demand skills for Claude Code, Copilot CLI, and Amp.
12.8k+
Unknown
7/30/2026
Free (MIT open source; model usage is separate)View Details
Free Path
SpaceXAI's Apache-2.0 terminal coding agent with a full-screen TUI, headless automation, ACP integration, and extensible agent workflows.
21.4k+
Unknown
7/22/2026
Free (Apache-2.0 source; hosted models, subscriptions, API usage, or external providers may cost extra)View Details
Free Path
MIT-licensed local code-intelligence graph that gives Claude Code, Codex, Cursor, Copilot, and other MCP clients targeted review context.
23.3k+
Unknown
7/21/2026
Free (MIT open source; optional external embedding providers and CI/model usage may cost extra)View Details
Free Path
MIT-licensed state kernel and local control plane that keeps Codex, Claude Code, Cursor, OpenCode, and peer agent teams aligned on long-running goals.
2.1k+
Unknown
8/6/2026
Free (MIT open source; model-provider, automation, and infrastructure costs separate)View Details
Free Path
MIT-licensed CLI that gives AI coding agents a deterministic answer on whether a GitHub pull request is ready to merge.
60+
Unknown
7/18/2026
Free (MIT open source; requires GitHub API access and a GitHub token for real PR checks)View Details
Free Path
MIT-licensed self-hosted AI engineering platform that runs Claude Code, Codex, Copilot, Gemini, and OpenCode agents in Kubernetes from tickets to PRs.
1k+
Unknown
7/17/2026
Free (MIT open source; Kubernetes, database, model, subscription, and infrastructure costs still apply)View Details
Free Path
MIT-licensed local gateway and desktop control plane for routing Claude Code, Codex, Grok CLI, and compatible agents across model providers.
35.8k+
Unknown
7/16/2026
Free (MIT open source; model-provider, subscription, and self-hosting costs still apply)View Details
Free Path
Apache-2.0 context-compression layer that wraps Claude Code, Codex, Cursor, OpenCode, and MCP clients so agents send fewer tool-output and history tokens.
59.1k+
Unknown
7/15/2026
Free (Apache-2.0 open source; optional managed/team rollout available by contacting Headroom Labs)View Details
Free Path
Apache-2.0 Codex orchestration spec and Elixir preview that turns tracker issues into isolated, long-running agent implementation runs.
27.2k+
Unknown
9/16/2026
Free (Apache-2.0 open source preview; requires Codex app-server access, a supported issue tracker, and local runtime setup)View Details
Free Path
MIT-licensed skills framework and software-development methodology that makes Claude Code, Codex, Cursor, OpenCode, Pi, and other coding agents follow spec, TDD, review, and branch workflows.
252.4k+
Unknown
7/12/2026
Free (MIT open source; upstream coding-agent, model, and subscription costs separate)View Details
Free Path
MIT-licensed engineering skill pack that gives Claude Code, Codex, Cursor, Gemini CLI, OpenCode, and other coding agents repeatable senior-engineer workflows.
94.0k+
Unknown
9/14/2026
Free (MIT open source; upstream coding-agent and model costs separate)View Details
Free Path
MIT-licensed CLI and agent skill that lets Claude, Codex, Pi, and other coding agents read, redline, comment on, render, and safely edit Word .docx files.
121+
Unknown
7/9/2026
Free (MIT open source; requires Bun for npm install or prebuilt standalone binaries)View Details
Free Path
Rust-based coding-agent harness with a native TUI, multi-session workflows, agent memory, swarm coordination, MCP, browser tooling, and broad model-provider support.
14.9k+
Unknown
8/2/2026
Free (MIT open source; optional hosted model plans from $10/month; BYOK, subscription, or local-model costs separate)View Details
Free Path
MIT-licensed semantic code search MCP and VS Code extension that gives Claude Code, Codex, Gemini CLI, and other coding agents repo-scale context.
12k+
Unknown
7/7/2026
Free (MIT open source; embedding and vector database usage costs may apply)View Details
Free Path
Open-source local CLI that indexes coding-agent transcripts from Claude Code, Codex, Cursor, OpenCode, Gemini CLI, Copilot CLI, and related harnesses for cited history search.
667+
Unknown
7/6/2026
Free (Apache-2.0 open source)View Details
Free Path
Review-first terminal diff viewer for inspecting agent-authored changesets with multi-file navigation, inline AI notes, watch mode, and Git/Jujutsu/Sapling support.
8.9k+
Unknown
9/1/2026
Free (MIT open source)View Details
Free Path
Google open-source CLI and skill bundle that teaches Claude Code, Codex, Antigravity, and other coding agents to build, evaluate, deploy, and publish ADK agents on Google Cloud.
4.7k+
Unknown
6/30/2026
Free (Apache-2.0 open source; Google Cloud, AI Studio, and model usage costs separate)View Details
Free Path
Community Codex CLI fork that adds Auto Drive orchestration, background Auto Review, browser/CDP integration, theming, and multi-agent commands.
3.8k+
Unknown
7/1/2026
Free (Apache-2.0 open source; ChatGPT, API, and companion-provider costs separate)View Details
Free Path
DoorDash open-source TUI that turns large feature requests into checkpointed multi-phase coding-agent workflows across Claude Code, Codex, and OpenCode.
45+
Unknown
6/30/2026
Free (Apache-2.0 open source; bring your own Claude Code, Codex, OpenCode, model, and GitHub CLI credentials)View Details
Free Path
Open-source desktop and browser coding-agent multiplexer for running parallel AI agents across isolated local, worktree, and SSH workspaces.
1.8k+
Unknown
6/30/2026
Free (AGPL-3.0 open source; upstream model, local, or remote compute costs separate)View Details
Free Path
Lightweight open-source coding-agent harness shipped as a single Go binary with TUI, headless, MCP, extension, and Telegram workflows.
280+
Unknown
6/24/2026
Free (MIT open source; bring your own model/provider keys)View Details
Free Path
Open-source multi-harness plugin marketplace for shipping agents, skills, commands, and workflows across Claude Code, Codex CLI, Cursor, OpenCode, Gemini CLI, and Copilot.
37.1k+
Unknown
6/22/2026
Free (MIT open source; upstream agent and model costs separate)View Details
Free Path
Open-source CLI that gives AI coding agents visual verification through browser recordings, screenshots, logs, and PR-ready proof artifacts.
831+
Unknown
6/23/2026
Free (MIT open source; upstream agent and local browser costs separate)View Details
Free Path
Open-source terminal session manager for running and supervising multiple AI coding agents across isolated git worktrees.
721+
Unknown
8/15/2026
Free (MIT open source; upstream agent and model costs separate)View Details
Free Path
Open-source terminal and web session manager for running multiple AI coding agents across isolated git worktrees and sandboxes.
2.7k+
Unknown
7/4/2026
Free (MIT open source; bring your own agent/model costs)View Details
Free Path
Meta-harness for terminal coding agents that unifies Claude Code, Codex, Gemini, and similar tools behind one team-oriented CLI.
3+
Unknown
6/1/2026
Free (MIT open source; upstream model or subscription costs still apply)View Details
Free Path
Local analytics dashboard for AI coding agents that unifies sessions, costs, models, and tool usage across multiple editors.
342+
Unknown
3/20/2026
FreeView Details
Free Path
Open-source terminal coding agent with git-native edits, repo mapping, and broad model support
46.7k
6.8M+
6/26/2026
Free open source (model costs separate)View Details
Free Path
Rust CLI for running supervised multi-agent coding teams in tmux with YAML-defined roles, isolated git worktrees, and test-gated completion.
33
Unknown
5/10/2026
FreeView Details
Free Path
Open-source persistent memory and dependency-aware task graph for coding agents that need durable context across long-running repo work.
22.5k+
Unknown
4/29/2026
FreeView Details
Free Path
Bolt.new is a browser-based AI app builder that can prompt, run, edit, and deploy full-stack web apps without local setup.
16.3k
Unknown
3/27/2026
Free ($25/month Pro)View Details
Free Path
Open-source web agent library and cloud platform that gives coding agents real browser automation instead of file-only guessing.
89.9k+
Unknown
4/24/2026
Free open source + Cloud from $75/monthView Details
Free Path
Official open-source MCP server and CLI that lets coding agents control, inspect, and debug a live Chrome browser with real DevTools context.
36.4k+
Unknown
4/21/2026
FreeView Details
Free Path
Open-source terminal dashboard for tracking Claude Code token usage, burn rate, and predicted session cutoffs.
7.8k+
Unknown
4/26/2026
FreeView Details
Free Path
Open-source terminal app for managing multiple AI coding agents like Claude Code, Codex, OpenCode, and Aider across isolated workspaces.
7.9k+
Unknown
6/27/2026
Free open source (upstream agent and model costs separate)View Details
Free Path
Open-source, local-first memory engine for coding agents, with optional CMEM Cloud sync and a private MCP endpoint for cross-device recall.
92.2k+
Unknown
8/28/2026
$20/monthView Details
Free Path
Open-source Rust terminal coding agent with multi-provider support, headless mode, plugins, and experimental managed-agent workflows.
10k
Unknown
7/10/2026
Free open source (bring your own model/provider credentials)View Details
Free Path
Open-source coding agent for VS Code and the terminal with browser automation, MCP extensibility, and human-in-the-loop approvals.
64.8k+
Unknown
7/20/2026
Free for individual developers (pay only inference / BYOK supported)View Details
Free Path
Native macOS terminal for running parallel AI coding agents with vertical tabs, browser splits, SSH workspaces, and attention-aware notifications.
24.5k
Unknown
7/15/2026
Free (Pro $30/month; Team $35/user/month)View Details
Free Path
Open-source terminal coding agent with a multi-agent architecture, custom agent workflows, and SDK support for repo-aware code generation.
7.7k+
Unknown
7/17/2026
500 free credits, then 1¢/credit (Freebuff available)View Details
Free Path
Apache-2.0 coding agent for terminal, VS Code, and JetBrains, now at its final 2.0.0 release after an acquisition.
35.5k+
Unknown
8/21/2026
Free (Apache-2.0 open source; model/provider costs separate)View Details
Free Path
Open-source terminal coding agent formerly known as DeepSeek TUI, with Plan/Agent/YOLO modes, MCP support, subagents, LSP diagnostics, and a headless runtime API.
40.7k+
Unknown
8/14/2026
Free open source (provider and model API costs separate)View Details
Free Path
Open-source coding agent with a native CLI, desktop app, VS Code extension, cache-aware context, configurable providers, permissions, and MCP-compatible plugins.
30k+
Unknown
8/4/2026
Free open source (model provider billing separate)View Details
Free Path
Open-source coding agent for VS Code and the terminal with hash-anchored edits, AST-aware refactors, and lean context curation.
1.0k+
Unknown
4/30/2026
Free open source (VS Code extension + CLI; model/API costs separate)View Details
Free Path
Open-source DOM-to-source mapping and runtime context tool that gives coding agents live frontend awareness.
138+
Unknown
4/1/2026
FreeView Details
Free Path
Google's open-source terminal coding agent with Gemini 3 models, MCP extensibility, and strong headless automation workflows.
103k+
Unknown
5/3/2026
Free tier: 60 req/min and 1,000 req/day; paid usage via Gemini API or Vertex AIView Details
Free Path
Browser-based code intelligence engine that turns repositories into an interactive knowledge graph with Graph RAG assistance.
14.9k+
10k+
3/13/2026
FreeView Details
Free Path
Flagship MoE model with 355B parameters, ranked 3rd overall in benchmarks, excels in reasoning, coding and agentic tasks
2.5k
50k+
7/28/2025
Freemium (API available, open-weights on HuggingFace)View Details
Free Path
Open-source local AI agent from the Agentic AI Foundation with CLI, desktop, and API workflows plus MCP extensibility.
52.5k+
Unknown
8/8/2026
Free (bring your own model/API costs)View Details
Free Path
Open-source coding agent spanning VS Code, JetBrains, the terminal, and cloud workflows with broad model choice and provider-rate pricing.
26.9k
3M+
8/17/2026
Free + usage-basedView Details
A state-of-the-art mixture-of-experts (MoE) language model with strong performance in frontier knowledge, reasoning, coding, and agentic capabilities.
7k
30k+
7/12/2025
$4/million tokensView Details
Free Path
Open-source memory-first coding agent that turns disposable coding sessions into long-lived agents with persistent memory, skills, search, and multi-channel access.
2.5k+
Unknown
5/21/2026
Free open source + optional model/API costsView Details
Free Path
Open-source CLI and agent skill for turning browser exploration into deterministic Playwright automations you can inspect and maintain.
37+
Unknown
4/15/2026
FreeView Details
Free Path
Rust terminal coding agent focused on context efficiency, explicit permission parsing, subagents, and provider flexibility.
190+
Unknown
4/13/2026
Free (bring your own model/API costs)View Details
Free Path
Universal memory layer for AI agents that adds persistent context, retrieval, and personalization to coding workflows.
50k+
100k+
3/16/2026
Free open source + paid platform plansView Details
Free Path
Open-source platform for running and automating sandboxed coding agents with credential-brokered integrations and snapshot-based sessions.
19+
Unknown
5/14/2026
Free open source (self-hosted; model, sandbox, and integration costs separate)View Details
Mistral's coding agent across an open-source CLI, VS Code, and remote web sessions, with subagents, skills, MCP, and provider flexibility.
4.7k+
Unknown
7/11/2026
Free open-source CLI; paid via Vibe Pro ($14.99/month), Team ($24.99/user/month), or API/BYOK usageView Details
Free Path
Open-source Claude Code orchestration plugin with multi-AI workers, specialized agents, skills, and tmux-based team execution.
37.8k+
Unknown
7/19/2026
FreeView Details
Free Path
Open-source orchestration layer for OpenAI Codex CLI with reusable skills, team worktrees, hooks, and persistent workflow state.
31.4k+
Unknown
6/28/2026
Free open source (requires Codex CLI access)View Details
Free Path
Open-source visual code editor and early-access team workspace for designing directly in real React codebases with AI.
26.5k+
Unknown
8/24/2026
Free self-hosted; hosted teams custom pricingView Details
Free Path
Open-source asynchronous coding-agent framework for turning issues and threads into sandboxed engineering runs and reviewable pull requests.
9.6k+
Unknown
4/17/2026
Free open source (self-hosted; model and sandbox costs separate)View Details
Free Path
OpenAI's open-source agent harness for terminal coding, SDK automation, app-server integrations, IDE work, and cloud-assisted workflows.
118k+
Unknown
8/26/2026
$8/monthView Details
Free Path
Open-source macOS desktop UI for orchestrating Claude Code and OpenAI Codex with local CLI auth and parallel threads.
13+
Unknown
4/20/2026
Free (MIT open source; requires Claude Code and/or Codex CLI access)View Details
Free Path
MIT-licensed coding agent with terminal, desktop, web, and IDE clients, plus reusable Agent Skills and provider-agnostic model support.
195k+
Unknown
8/9/2026
FreeView Details
Free Path
Open-source spec-driven framework that adds lightweight proposal, design, task, and archive workflows to modern coding agents.
59.7k+
Unknown
7/10/2026
Free (MIT open source; bring your own coding agent and model access)View Details
Free Path
Open-source context database for AI agents that organizes memory, resources, and skills through a file-system-style hierarchy.
26.4k+
Unknown
7/7/2026
Free open source (AGPL-3.0; model and infrastructure costs separate)View Details
Free Path
MIT-licensed agent development environment for running Claude Code, Codex, OpenCode, Cursor CLI, and custom agents in parallel Git worktrees.
27.4k+
Unknown
7/24/2026
Free (MIT open source; supported agent subscriptions, model APIs, and remote infrastructure may cost extra)View Details
Free Path
Engineering playbook platform that turns team standards into context, guardrails, and governance for AI coding agents.
266+
Unknown
4/21/2026
Free open source + enterprise plansView Details
Free Path
Self-hosted cross-device control layer for Claude Code, Codex, Copilot, OpenCode, and Pi across web, desktop, mobile, and CLI.
16.4k+
Unknown
9/8/2026
Free (Apache-2.0 open source; upstream agent, model, and infrastructure costs separate)View Details
Free Path
Minimal terminal coding harness with extensions, skills, tree-structured sessions, and serious multi-provider model support.
81.5k+
Unknown
8/1/2026
Free open source (model costs separate)View Details
Free Path
Open-source terminal coding agent built for large tasks, large files, and reviewable AI-driven repo changes.
15.2k+
Unknown
4/10/2026
Free open source (BYO model/API costs)View Details
Free Path
Open-source plan and code review layer for coding agents that opens browser-based review surfaces, captures inline annotations, and sends structured feedback back into the agent loop.
7.3k+
Unknown
7/28/2026
Free open source (local plugin); hosted Workspaces waitlistView Details
Free Path
Official open-source Playwright CLI with agent skills for token-efficient browser automation inside coding-agent workflows.
9.1k+
Unknown
4/23/2026
FreeView Details
Free Path
Apache-2.0 terminal coding agent with interactive and headless workflows, multi-provider models, approval modes, sandboxing, skills, subagents, MCP, and IDE integrations.
27.3k+
Unknown
8/25/2026
Free open source (model/API or Coding Plan costs separate)View Details
Free Path
Advanced open-source AI coding model series optimized for code generation, understanding, and refinement across multiple programming languages
6.6k+
20k+
7/22/2025
FreeView Details
Free Path
Open-source CLI and MCP tool that packs whole repositories into AI-friendly formats so coding agents can reason over real codebases with less setup friction.
24.3k+
Unknown
5/5/2026
Free open sourceView Details
Free Path
Open-source AI coding agent for VS Code whose official docs now mark the original extension as shut down, with ZooCode and Cline listed as migration paths.
24.3k
1.7M+
6/26/2026
Marketplace listing is free, but the official docs now say the Roo Code Extension was shut down on May 15, 2026View Details
Free Path
Open-source semantic retrieval and editing layer that upgrades Claude Code, Codex, Cursor, and other coding agents with IDE-like code intelligence.
27.8k+
Unknown
8/11/2026
FreeView Details
Free Path
Open-source CLI proxy that strips noisy shell output before it hits Claude Code, Cursor, Codex, and other coding agents.
237
Unknown
5/15/2026
Free open sourceView Details
Free Path
GitHub's MIT-licensed toolkit for turning requirements into specs, plans, tasks, and implementation workflows across 30+ AI coding agents.
129.2k+
Unknown
8/16/2026
Free (MIT open source; coding-agent, model, and infrastructure costs separate)View Details
Free Path
Open-source frontend coding agent and purpose-built browser that lets developers click live UI, inspect runtime context, and apply changes to real local codebases.
6.5k+
Unknown
4/4/2026
Free + BYOK ($20/month Pro, $200/month Ultra)View Details
Free Path
MIT-licensed configuration framework that adds structured slash commands, agents, behavioral modes, and optional MCP integrations to Claude Code.
23.4k+
Unknown
7/4/2026
Free MIT-licensed framework; Claude Code subscription/API and optional MCP service costs are separateView Details
Free Path
Open-source multi-platform AI coding workflow CLI for structuring specs, tasks, memory, and parallel agent work across tools like Claude Code, Codex, and Cursor.
11.8k+
Unknown
7/6/2026
Free open source (agent, model, API, and subscription costs separate)View Details
Free Path
Open terminal sessions in a browser and monitor command-line coding agents from another device.
4.6k
4.6k+
7/12/2026
Free and open source (MIT); remote tunnel providers may have separate limits or costsView Details
Free Path
Open-source Rust TUI coding agent with semantic code understanding, multi-provider support, and serious shell safety controls.
527+
Unknown
4/25/2026
FreeView Details
Free Path
Warp is an agentic development environment that combines a modern terminal, built-in and cloud coding agents, and support for external CLI agents like Claude Code, Codex, and Gemini CLI.
49.3k
700k+
5/1/2026
Free ($18/month Build, $180/month Max, $45/user/month Business)View Details
Free Path
Minimal open-source coding agent with a CLI, bash-first control loop, and benchmark-grade SWE-bench performance
5.6k+
Unknown
7/8/2026
Free open source (model costs separate)View Details
Free Path
Rust-based terminal coding agent focused on low resource usage, granular permissions, prompt modes, and experimental worktree/ACP workflows.
996+
Unknown
5/29/2026
Free (GPL-3.0 open source; model and API costs separate)View Details
Free Path
Open-source desktop workspace for running multiple AI coding agents in parallel across isolated git worktrees.
698+
Unknown
6/2/2026
Free open source (bring your own agent or model costs)View Details
Free Path
Open-source bridge that lets you control local AI coding agents from Slack, Telegram, Discord, Feishu, WeChat, and other chat platforms.
15.0k+
Unknown
8/17/2026
Free (MIT open source; upstream model and chat-platform costs separate)View Details
Free Path
Open-source AI code review CLI that reads diffs, explores repo context, and produces line-level review comments for agent-heavy pull requests.
25.6k+
Unknown
9/15/2026
Free open source (bring your own LLM/API costs)View Details
Free Path
Open-source mobile control plane and remote code editor for running Claude Code, Codex, and other AI coding agents from iPhone or Android.
75+
Unknown
6/9/2026
Free (MIT open source; mobile apps are early and depend on the desktop daemon)View Details
Free Path
Persistent cross-session memory layer for coding agents, with MCP, hooks, and shared recall across Claude Code, Codex CLI, Gemini CLI, OpenClaw, and more.
22.7k+
Unknown
6/14/2026
Free (Apache-2.0 open source; hosting/runtime costs depend on your setup)View Details
Free Path
Open-source Kanban control plane for planning, running, and reviewing multiple coding agents across isolated workspaces.
27k+
30k+
6/15/2026
Free open source (community maintained; upstream coding-agent and infrastructure costs separate)View Details
Free Path
Open-source codebase knowledge graph plugin and dashboard that helps coding agents and humans understand repository structure, business logic, and onboarding flows.
64.8k+
Unknown
6/21/2026
Free open sourceView Details
Free Path
Open-source persistent planning skill and plugin for coding agents that keeps task plans, findings, and progress on disk so work survives /clear, compaction, and crashes.
23.8k+
Unknown
6/23/2026
Free open sourceView Details
Free Path
Fully local Claude Code memory plugin that logs sessions and writes compact resume context without sending project data to an external model.
374+
Unknown
6/23/2026
Free (MIT open source; runs locally with your existing Claude Code setup)View Details
Free Path
Open-source sandboxed execution layer for coding agents that need local or cloud shell environments at scale.
539+
Unknown
6/23/2026
Free open source (infrastructure and model costs separate)View Details
Free Path
Open-source meta-harness for running, governing, sharing, and switching between coding agents like Claude Code, Codex, Cursor, OpenCode, Hermes, and Pi.
5.0k+
Unknown
6/27/2026
Free open source (model, subscription, and cloud sandbox costs separate)View Details
Free Path
Open-source, local-first design workspace that lets coding agents generate brand-aware prototypes, decks, dashboards, images, and design systems.
72k+
Unknown
6/28/2026
Free open source (optional AMR/model usage costs separate)View Details
Free Path
Open-source design skill, CLI, and browser extension that gives coding agents design context, focused refinement commands, and deterministic frontend anti-pattern checks.
51.7k+
Unknown
7/28/2026
Free (Apache-2.0 open source)View Details
Free Path
Open-source endpoint security CLI for monitoring, detecting, investigating, and optionally blocking risky AI coding-agent activity.
900
Unknown
8/12/2026
Free (Apache-2.0 open source)View Details
Free Path
MIT-licensed diagram skill for creating branded, editable HTML/SVG visuals with Claude Code, Codex, Pi, and compatible coding agents.
10.6k+
Unknown
8/13/2026
Free (MIT open source; upstream coding-agent and model costs separate)View Details
Free Path
Apache-2.0 skill and plugin library for Claude Code, Codex, and Antigravity workflows across Google Cloud, Gemini, GKE, Firebase, and Google APIs.
18k+
Unknown
8/14/2026
Free (Apache-2.0 open source; cloud, model, API, and coding-agent costs separate)View Details
Free Path
Apache-2.0 local-first agent workspace with desktop, TUI, CLI, append-only execution logs, permission controls, recovery, and evaluation workflows.
2k+
Unknown
8/22/2026
Free (Apache-2.0 open source; model and provider costs separate)View Details
Free Path
MIT-licensed agent skill that turns codebases and system descriptions into validated, interactive architecture maps and self-contained HTML/SVG exports.
27.6k+
Unknown
8/29/2026
Free (MIT open source; coding-agent and model costs separate)View Details
Free Path
Apache-2.0 JetBrains skill and plugin that gives coding agents version-aware guidance for modern, idiomatic Go.
2.8k+
Unknown
8/30/2026
Free (Apache-2.0 open source; coding-agent and model costs separate)View Details
Free Path
Official plugin marketplace and MIT-licensed repository for packaging agent skills, rules, subagents, commands, MCP servers, hooks, and reusable canvases in Cursor.
4.6k+
Unknown
8/23/2026
Free plugins (Cursor plans and connected-service costs separate)View Details
Free Path
MIT-licensed bundle of composable engineering skills for Claude Code, Codex, Cursor, and other Agent Skills-compatible coding agents.
244k+
Unknown
9/2/2026
Free (MIT open source; coding-agent and model costs separate)View Details
Free Path
Open-source macOS workspace that links coding-agent sessions to commits and shares local project memory across Claude Code, Codex, and ACP agents.
2.9k+
Unknown
9/3/2026
Free (MIT open source; external coding-agent and model costs separate)View Details
Free Path
Open-source local inference server that profiles your hardware, recommends suitable models, and connects them to coding agents such as Codex, Claude Code, and OpenCode.
1.9k+
Unknown
9/4/2026
Free (Apache-2.0 open source; hardware, electricity, and model-license constraints separate)View Details
Free Path
Open-source agent platform with persistent memory, reusable skills, subagent delegation, scheduled automations, and coding tools across CLI, desktop, and messaging channels.
241k+
Unknown
9/5/2026
Free (MIT open source; model, provider, hosting, and optional service costs separate)View Details
Free Path
MIT-licensed agent plugin and skill that pushes coding agents toward the smallest sufficient implementation without dropping safety or validation.
129k+
Unknown
9/7/2026
Free (MIT open source; coding-agent subscriptions and model usage separate)View Details
Free Path
MIT-licensed GitHub App, Action, CLI, and coding-agent skill that redraws each pull request as an animated architecture and data-flow diagram inside the PR.
1k+
Unknown
9/11/2026
Free for open source (MIT-licensed schema, renderer, CLI, Action, and agent skill; model usage is billed by your own provider)View Details
Free Path
MIT-licensed CLI that makes Git worktrees practical for running and supervising parallel AI coding-agent workflows.
7.0k+
Unknown
9/11/2026
Free (MIT open source; upstream agent and model costs separate)View Details
Free Path
Apache-2.0 CLI that keeps coding rules, commands, and skills synchronized across multiple AI coding agents from one source.
130+
Unknown
9/12/2026
Free (Apache-2.0 open source; agent subscriptions, model usage, and MCP services separate)View Details
Free Path
MIT-licensed Rust coding agent for the terminal with multi-provider support, headless automation, ACP, MCP, and reusable engineering skills.
27+
Unknown
9/17/2026
Free (MIT; model and provider usage may cost extra)View Details