Dev Tools
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It's like v0, but in your Cursor / Claude Code / Windsurf: search 10,000+ React/Tailwind components, generate new UI with AI, and publish your own — right fr…
★ 6.0k starsISC
View guide →Spec-driven development (SDD) for AI coding assistants.
OpenSpec is an open-source dev tools project by Fission-AI (Fission-AI/OpenSpec on GitHub). It has 70,982 GitHub stars and 4,867 forks, is released under the MIT license, and was last updated on GitHub on 2 October 2026.
Package managers, install scripts, or app stores on every OS.
Sane defaults work; dotfiles make it yours.
A weekend of muscle memory pays off for years.
Plugins and themes from huge community ecosystems.
Themes, plugins, and config for any workflow.
Native code and smart design keep everything instant.
Hands stay on keys; the mouse becomes optional.
Customize prompts, tools, and behavior; no black box.
Every change is a reviewable diff — you stay in control.
Swap between frontier APIs and local models per task.
Download the source and move into the project folder.
git clone https://github.com/Fission-AI/OpenSpec.git
cd OpenSpecEvery project documents its own setup; start with install requirements.
cat README.md | head -60Follow the project's launch command — Docker, pip, npm, or a binary release.
# see README for the exact launch commandIt is an open-source project at Fission-AI/OpenSpec with 4,867 forks. Check the repo's contributors and recent commits to see how active maintenance is.
MIT licensed — use it commercially, no strings attached.
Cloud frontier models code best today; local keeps everything private and free.
It multiplies them — best results come from developers directing and reviewing.
VS Code and terminal are universal; check each tool for JetBrains/Neovim.
It's like v0, but in your Cursor / Claude Code / Windsurf: search 10,000+ React/Tailwind components, generate new UI with AI, and publish your own — right fr…
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px0 is an IDE built for reviewing AI-generated code, optimized for speed. It turns your browser into a zero-latency console with native Git and GitHub integr…
MCP graph engine that compounds context across AI coding assistants.
The agent development environment for running a fleet of parallel coding agents in worktrees
Gentle-AI configures the AI coding agents you already use: Claude Code, Cursor, OpenCode, Codex, Pi, and more. Choose persistent memory, Organic-Driven Devel…
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Free and open — grab the source, star the repo, and start creating.