OpenSpec
San Francisco, CA, USA
Founded 2025
OpenSpec is a lightweight, open-source spec-driven development framework for AI coding assistants. It adds a spec layer to codebases through an openspec/ folder containing a spec library and a changes system, enabling developers to define requirements and technical designs before code is written, and providing durable context that persists across AI coding sessions.
Websites:
Last Updated: March 13, 2026
Current Valuation
No valuation data available
Funding Summary
No funding data available.
Media Mention
March 18, 2026
Thoughtworks: Beyond vibe coding: The five building blocks of AI-native engineering
Announcement
March 16, 2026
X (formerly Twitter) - Fondo: OpenSpec Launches: The Spec Framework for Coding Agents | Fondo
Announcement
March 7, 2026
Y Combinator: OpenSpec: The Spec Framework for Coding Agents
Key People
Core OSS Projects
A lightweight spec-driven development framework for AI coding assistants that captures requirements, technical designs, and implementation tasks in markdown files alongside the codebase.
License: MIT
Business Information
Industries
Software
Technologies
Developer Tools
AI Coding Assistant
Software Development
AI Coding Agents
Documentation
Sectors
Developers
Licenses
MIT
Socials and Communities
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