Fission-AI/OpenSpecGitHub
Choose as a drop-in TypeScript spec-driven development CLI for AI coding assistants.
Spec-driven development (SDD) for AI coding assistants.
- 66.4k
- TypeScript
- MIT
active2mo ago
buildermethods/agent-os Alternatives
AI coding agent spec-driven development / standards injection
Agent OS injects codebase standards and shapes specs for spec-driven development with AI coding agents.
Drop-in peers
Same problem, same approach. Swapping one for another is a config change, not a rewrite.
Same job, different approach
Solves the same problem with a different architecture or at a different layer. Expect to rewrite the integration.
obra/superpowersGitHub
Choose for a broad agentic skill/methodology library rather than codebase-standard and spec injection.
An agentic skills framework & software development methodology that works.
- 275.9k
- Shell
- MIT
active2mo ago
bmad-code-org/BMAD-METHODGitHub
Choose for a full agile agent-team methodology instead of lightweight standards/spec shaping.
Breakthrough Method for Agile Ai Driven Development
- 53.3k
- Python
- NOASSERTION
active23d ago
gsd-build/gsd-2GitHub
Choose for meta-prompting and context engineering aimed at long autonomous runs.
A powerful meta-prompting, context engineering and spec-driven development system that enables agents to work for long periods of time autonomously without losing track of the big picture
- 7.8k
- TypeScript
- MIT
active5mo ago
awslabs/aidlc-workflowsGitHub
Choose for AWS-style lifecycle steering rules rather than codebase-standard injection.
AI-Driven Life Cycle (AI-DLC) adaptive workflow steering rules for AI coding agents
- 4.7k
- TypeScript
- MIT-0
active23d ago
Pimzino/spec-workflow-mcpGitHub
Choose if you want spec workflows exposed through an MCP server and dashboard.
A Model Context Protocol (MCP) server that provides structured spec-driven development workflow tools for AI-assisted software development, featuring a real-time web dashboard and VSCode extension for monitoring and managing your project's progress directly in your development environment.
- 4.3k
- TypeScript
- GPL-3.0
active3mo ago
gotalab/cc-sddGitHub
Choose for a minimal SDD harness focused on long-running autonomous implementation from approved specs.
Turn approved specs into long-running autonomous implementation. A minimal, adaptable SDD harness with Agent Skills for Claude Code, Codex, Cursor, Copilot, Windsurf, OpenCode, Gemini CLI, and Antigravity.
- 3.7k
- TypeScript
- MIT
active5mo ago
Priivacy-ai/spec-kittyGitHub
Choose for spec coding with Kanban, git-worktree, and auto-merge orchestration.
Spec-Driven Development for serious software developers. Spec Coding with with Claude, Cursor, Gemini, Codex. Kanban dashboard, git worktrees, auto-merge and more.
- 1.6k
- Python
- MIT
active24d ago
maxritter/pilot-shellGitHub
Choose for a heavier harness with TDD, persistent memory, and quality gates.
How real engineers run Claude Code and Codex: spec-driven planning, enforced TDD, persistent memory, and quality enforcement on all levels. Make your agents production-ready.
- 2.1k
- JavaScript
- NOASSERTION
active2mo ago
phodal/routaGitHub
Choose for multi-agent workspace coordination with shared specs and Kanban.
Workspace-first multi-agent coordination platform for AI development, with shared Specs, Kanban orchestration, and MCP/ACP/ A2A support across web and desktop.
- 1.8k
- TypeScript
- MIT
active2mo ago
Listed as an alternative to
These projects were analysed and named agent-os among their alternatives. The relationship is not symmetric — how agent-os rates them is a separate judgement, made when agent-os is analysed in its own right.
github/spec-kitGitHub
calls agent-os “Shell-based system that injects codebase standards into spec-driven workflows; choose it if you want a lightweight, standards-heavy setup.”
💫 Toolkit to help you get started with Spec-Driven Development
138.1kPythonactive
addyosmani/agent-skillsGitHub
calls agent-os “When you want to inject codebase standards and write better specs via a dedicated agent-OS layer.”
Production-grade engineering skills for AI coding agents.
97.1kJavaScriptactive
Fission-AI/OpenSpecGitHub
calls agent-os “a narrower helper for writing specs and injecting codebase standards, not a full SDD lifecycle.”
Spec-driven development (SDD) for AI coding assistants.
66.4kTypeScriptactive
gsd-build/gsd-2GitHub
calls agent-os “Pick it if you only need to inject codebase standards and write specs; it doesn't include meta-prompting.”
A powerful meta-prompting, context engineering and spec-driven development system that enables agents to work for long periods of time autonomously without losing track of the big picture
7.8kTypeScriptactive