OpenSpec

OpenSpec

Fission AI
+
+

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About

Emdash is an open-source agentic development environment that enables software developers to run and manage multiple AI coding agents from a centralized desktop application. The platform supports coding assistants such as Claude Code, OpenAI Codex, Cursor, Amp, and OpenCode through their command-line interfaces. Each development task operates in an isolated Git worktree, allowing agents to work on separate branches without interfering with one another. Emdash provides integrated terminals, code editing tools, application previews, and Git functionality for reviewing and managing agent-generated changes. Its automation features allow developers to schedule recurring coding tasks, while integrations with GitHub, Jira, Linear, and other services connect agents to existing development workflows. The software supports local and remote execution environments and is available for macOS, Windows, and Linux.

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

Audience

Software developers, AI coding agent users, DevOps engineers, platform engineers, technical leads, and engineering teams seeking to coordinate parallel coding tasks, automate development workflows, and review AI-generated code across local and remote environments

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 Not Supported
24/7 Live Support Not Supported
Online Supported

Support

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

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version Supported
Free Trial Not Supported

Pricing

Free
Open source
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 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 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

Emdash
United States
emdash.com

Company Information

Fission AI
openspec.dev/

Alternatives

Alternatives

Claude Code

Claude Code

Anthropic
Orca

Orca

Stably AI
GSD Pi

GSD Pi

Open GSD
Kiro

Kiro

Amazon Web Services
Zenflow

Zenflow

Zencoder
JetBrains Air

JetBrains Air

JetBrains
Intent

Intent

Augment Code

Categories

Categories

Agentic AI Supported
AI Coding Agents Supported

Integrations

Cursor Supported
GitHub Copilot Supported
OpenCode Supported
Amazon Q Developer Not Supported
Amp Supported
Auggie CLI Not Supported
Claude Supported
Claude Code Not Supported
Codebuddy Not Supported
Devin Desktop Not Supported
Factory Not Supported
Gemini Supported
Git Supported
Google Antigravity Not Supported
Jira Supported
Linear Supported
Microsoft Azure Supported
OpenAI Supported
Qwen Supported
Roo Code Not Supported

Integrations

Cursor Supported
GitHub Copilot Supported
OpenCode Supported
Amazon Q Developer Supported
Amp Not Supported
Auggie CLI Supported
Claude Not Supported
Claude Code Supported
Codebuddy Supported
Devin Desktop Supported
Factory Supported
Gemini Not Supported
Git Not Supported
Google Antigravity Supported
Jira Not Supported
Linear Not Supported
Microsoft Azure Not Supported
OpenAI Not Supported
Qwen Not Supported
Roo Code Supported
Claim Emdash and update features and information
Claim Emdash and update features and information
Claim OpenSpec and update features and information
Claim OpenSpec and update features and information