Best Open Source spec Libraries

A curated list of the most popular GitHub repositories tagged with spec. Select any project to visualize its architecture and dive into the codebase using RepoMind's AI engine.

#1github/spec-kit

💫 Toolkit to help you get started with Spec-Driven Development

70,967Python

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#2Fission-AI/OpenSpec

Spec-driven development (SDD) for AI coding assistants.

24,950TypeScript

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#3tc39/proposals

Tracking ECMAScript Proposals

19,062

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#4utom/sketch-measure

Make it a fun to create spec for developers and teammates

6,879HTML

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