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

e-SPECS is the industry leading specification writing software for today’s AEC professionals. Write, edit and coordinate your architectural and engineering specs more quickly and efficiently with e-SPECS Linx. Proven faster and easier than word processing, e-SPECS Linx combines the efficiency of our Checklist technology with the ease of the e-SPECS Editor. Use your current AIA MasterSpec subscription or integrate your Custom Office Master to simplify specification production while saving time and money in the process. e-SPECS for revit extends Autodesk’s products to construction specifications. Link, sync & integrate Revit with your construction specifications using e-SPECS: automating the creation of your manual. For users not ready or not interested in Revit integration, e-SPECS Linx will create a higher quality project manual.

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 Not Supported
Mac Not Supported
Linux Not Supported
Cloud 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

Architects and engineers looking for a cost-effective, efficient alternative in specification platform

Support

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

Support

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

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

No information available.
Free Version Not 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 Not Supported
Webinars Supported
Live Online Supported
In Person Not Supported

Company Information

Fission AI
openspec.dev/

Company Information

e-SPECS
Founded: 1988
United States
e-specs.com/products/

Alternatives

Claude Code

Claude Code

Anthropic

Alternatives

RIB SpecLink

RIB SpecLink

RIB Software
GSD Pi

GSD Pi

Open GSD
PlusSpec

PlusSpec

RubySketch
Kiro

Kiro

Amazon Web Services
Zenflow

Zenflow

Zencoder
KCL

KCL

Revalize
Intent

Intent

Augment Code
OpenSpec

OpenSpec

Fission AI

Categories

Agentic AI Supported
AI Coding Agents Supported

Categories

Architecture Features

2D Drawing Not Supported
3D Modeling Not Supported
Bills of material Supported
BIM Modeling Not Supported
Building Information Modeling Supported
Client Management Not Supported
Contact Management Supported
Contract Management Not Supported
Document Management Not Supported
Drafting Not Supported
Manufacturing Design Data Not Supported
Presentation Tools Supported
Project Management Not Supported
Proposal Management Not Supported
Quotes/Proposals Supported
Visualization / Presentation Not Supported

Integrations

Amazon Q Developer Supported
Auggie CLI Supported
Claude Code Supported
Cline Supported
CoStrict Supported
Codebuddy Supported
Crush Supported
Cursor Supported
Devin Desktop Supported
Factory Supported
Gemini CLI Supported
GitHub Copilot Supported
Google Antigravity Supported
Kilo Code Supported
OpenAI Codex Supported
OpenCode Supported
Qoder Supported
Qwen Code Supported
Roo Code Supported

Integrations

Amazon Q Developer Not Supported
Auggie CLI Not Supported
Claude Code Not Supported
Cline Not Supported
CoStrict Not Supported
Codebuddy Not Supported
Crush Not Supported
Cursor Not Supported
Devin Desktop Not Supported
Factory Not Supported
Gemini CLI Not Supported
GitHub Copilot Not Supported
Google Antigravity Not Supported
Kilo Code Not Supported
OpenAI Codex Not Supported
OpenCode Not Supported
Qoder Not Supported
Qwen Code Not Supported
Roo Code Not Supported
Claim OpenSpec and update features and information
Claim OpenSpec and update features and information
Claim e-SPECS and update features and information
Claim e-SPECS and update features and information