OpenSpec

OpenSpec

Fission AI
+
+

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About

GitHub Copilot CLI brings the core capabilities of the Copilot coding assistant into your terminal, enabling you to write, debug, refactor, and understand code via natural language directly in the command line. It works locally and in sync with your GitHub workflow, granting the ability to access repositories, issues, and pull requests through conversational commands while staying authenticated with your GitHub account. The tool operates as an agent in your terminal; you can ask it to autonomously create or modify files, execute commands, implement new features, fix bugs, prototype, and adjust codebases based on your specifications. Deep GitHub integration ensures context awareness (e.g., code history, branches, project layout), and the CLI experience is optimized to reduce context switching between your editor and terminal. The system supports iterative collaboration, allowing you to fine-tune or reissue commands as the project evolves.

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.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Developers looking for a solution providing AI-assisted coding, debugging, and GitHub workflow control without switching to a separate editor or interface

Audience

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

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

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 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

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

GitHub
Founded: 2007
United States
github.com/github/copilot-cli

Company Information

Fission AI
openspec.dev/

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Categories

Categories

Integrations

GitHub Copilot
Amazon Q Developer
Auggie CLI
Claude Code
Claude Fable 5
Claude Mythos 5
Claude Opus 4.7
Claude Sonnet 4
Claude Sonnet 4.5
CoStrict
Devin Desktop
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Roo Code
Superpowers

Integrations

GitHub Copilot
Amazon Q Developer
Auggie CLI
Claude Code
Claude Fable 5
Claude Mythos 5
Claude Opus 4.7
Claude Sonnet 4
Claude Sonnet 4.5
CoStrict
Devin Desktop
Entire
Gemini CLI
Google Antigravity
Kilo Code
OpenViking
Qoder
Qwen Code
Roo Code
Superpowers
Claim GitHub Copilot CLI and update features and information
Claim GitHub Copilot CLI and update features and information
Claim OpenSpec and update features and information
Claim OpenSpec and update features and information