OpenSpec

OpenSpec

Fission AI
+
+

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About

OpenSpec is an open-source spec-driven development framework designed to bring structure and clarity to AI-assisted coding workflows. It introduces a lightweight specification layer that helps teams define requirements before writing code. The platform organizes each change into structured artifacts such as proposals, specifications, designs, and task lists. It integrates with over 20 AI coding tools, allowing developers to use their preferred assistants while maintaining consistency. OpenSpec emphasizes an iterative and flexible approach rather than rigid development phases. Its command-based workflow enables users to propose, implement, and archive features efficiently. Overall, OpenSpec helps developers align with AI systems, reduce ambiguity, and produce more predictable and reliable outcomes.

About

Roo Code is an AI-powered software engineering platform designed to help developers build, debug, and ship code faster. It works directly inside your IDE through a VS Code extension or autonomously in the cloud using AI agents. Roo Code supports multiple AI models and providers, giving developers full flexibility and control. Role-based modes keep AI focused on specific tasks like coding, debugging, testing, or planning. The platform is open source, secure, and transparent by design. Developers can configure workflows to match their exact preferences. Roo Code fits seamlessly into modern development environments for both individuals and teams.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, product teams, and organizations using AI coding assistants who want a structured, spec-driven approach to improve clarity, collaboration, and development outcomes

Audience

Roo Code is ideal for developers, engineering teams, and tech-driven organizations seeking a flexible, secure, and AI-powered way to accelerate software development across individual and team workflows

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Not Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 5.0 / 5
ease 3.0 / 5
features 5.0 / 5
design 4.0 / 5
support 4.0 / 5

Pros & Cons from Real Users

Pros

  • Tons of features and new updates coming near daily. There is a large community in Discord and a ton of information available.

Cons

  • It can be a bit clunky when you have to use the VS code API rather than adding a direct API key to something like OpenRouter. I'm sure that has a lot to do with limitations in the VSC API.

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Fission AI
openspec.dev/

Company Information

Roo Code
Founded: 2025
United States
roocode.com

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Fine

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Categories

Agentic AI Supported
AI Coding Agents Supported

Categories

Agentic AI Supported
AI Code Generators Supported
AI Coding Agents Supported
AI IDEs Supported

Integrations

Claude Code Supported
Factory Supported
GLM-4.1V Not Supported
GLM-4.6 Not Supported
GLM-4.6V Not Supported
GLM-4.7 Not Supported
GLM-5 Not Supported
Grok Code Fast 1 Not Supported
Hindsight Not Supported
InsForge Not Supported
Laguna M.1 Not Supported
Laguna S 2.1 Not Supported
MiMo-V2.5 Not Supported
MiMo-V2.6-Pro Not Supported
MiMo-V2.6-Pro-UltraSpeed Not Supported
MiniMax M3 Not Supported
OpenAI Not Supported
Qoder Supported
Qwen Code Supported
Visual Studio Code Not Supported

Integrations

Claude Code Not Supported
Factory Not Supported
GLM-4.1V Supported
GLM-4.6 Supported
GLM-4.6V Supported
GLM-4.7 Supported
GLM-5 Supported
Grok Code Fast 1 Supported
Hindsight Supported
InsForge Supported
Laguna M.1 Supported
Laguna S 2.1 Supported
MiMo-V2.5 Supported
MiMo-V2.6-Pro Supported
MiMo-V2.6-Pro-UltraSpeed Supported
MiniMax M3 Supported
OpenAI Supported
Qoder Not Supported
Qwen Code Not Supported
Visual Studio Code Supported
Claim OpenSpec and update features and information
Claim OpenSpec and update features and information
Claim Roo Code and update features and information
Claim Roo Code and update features and information