OpenSpecFission-AI/OpenSpec
Spec-driven development for AI coding assistantsPersonalEnterpriseDeveloper toolsCoding assistantsCLI★ 71kMITcommit 20 hours ago83worth
Open-source alternatives to Spec Kit
24 projects in the catalog are in the same category as Spec Kit: Coding assistants. They are ranked by how closely their categories, platforms and GitHub topics match, then by worth score. Of these, 2 run with Docker, 20 have a permissive license and 24 had a commit in the last 90 days.
Compare at a glance
| Project | Runs on | Self-host with Docker | License | Stars | Last commit |
|---|---|---|---|---|---|
| Spec Kit (this project) | CLI | Not listed | MIT | 140k | |
| OpenSpec | CLI | Not listed | MIT | 71k | |
| Repomix | CLI | Not listed | MIT | 29k | |
| Open Code Review | CLI | Not listed | Apache-2.0 | 43k | |
| InsForge | Docker / self-host | Yes | Apache-2.0 | 13k | |
| Warp | Desktop | Not listed | AGPL-3.0 | 65k | |
| GitNexus | Web | Not listed | Custom (read before use) | 48k | |
| cmux | Desktop | Not listed | Custom (read before use) | 28k | |
| Gemini CLI | CLI | Not listed | Apache-2.0 | 107k | |
| goose | Desktop, CLI | Not listed | Apache-2.0 | 55k | |
| Caveman | CLI, Extension / plugin | Not listed | Apache-2.0 | 109k | |
| Oh My Pi | CLI | Not listed | MIT | 34k | |
| OpenCode | Desktop, CLI | Not listed | MIT | 212k | |
| Codewhale | CLI | Not listed | MIT | 41k | |
| ECC | CLI, Extension / plugin | Not listed | MIT | 271k | |
| Qwen Code | CLI | Not listed | Apache-2.0 | 28k | |
| RTK | CLI | Not listed | Apache-2.0 | 82k | |
| Open Interpreter | CLI | Not listed | Apache-2.0 | 68k | |
| AI Website Cloner | CLI | Not listed | MIT | 36k | |
| Codex CLI | CLI | Not listed | Apache-2.0 | 128k | |
| OpenHands | Web, Docker / self-host, CLI | Yes | MIT | 90k | |
| Pi | CLI, Library / SDK | Not listed | MIT | 112k | |
| Codebase Memory MCP | CLI | Not listed | MIT | 46k | |
| Kilo Code | CLI, Extension / plugin | Not listed | MIT | 27k | |
| Claude Code Router | CLI | Not listed | MIT | 38k |
Command-line tools (20)
Repomixyamadashy/repomix
Pack a repository into one AI-friendly filePersonalDeveloper toolsCoding assistantsCLI★ 29kMITcommit 5 days ago83worth
Open Code Reviewalibaba/open-code-review
Hybrid AI code review tool from AlibabaEnterpriseDeveloper toolsCoding assistantsCLI★ 43kApache-2.0commit 4 days ago81worth
Gemini CLIgoogle-gemini/gemini-cli
Gemini as an agent in your terminalPersonalEnterpriseCoding assistantsCLI★ 107kApache-2.0commit yesterday90worth
gooseaaif-goose/goose
Extensible on-machine AI agent from BlockPersonalEnterpriseAgents & frameworksCoding assistantsDesktopCLI★ 55kApache-2.0commit 23 hours ago88worth
CavemanJuliusBrussee/caveman
Cut coding agent tokens by making it talk lessPersonalAgent skillsCoding assistantsCLIExtension / plugin★ 109kApache-2.0commit 12 hours ago87worth
Oh My Pican1357/oh-my-pi
Coding agent with the IDE wired inPersonalCoding assistantsCLI★ 34kMITcommit 13 hours ago87worth
OpenCodeanomalyco/opencode
Open-source coding agent for the terminalPersonalCoding assistantsDesktopCLI★ 212kMITcommit 17 hours ago86worth
CodewhaleHmbown/Codewhale
Rust coding agent for the terminalPersonalCoding assistantsCLI★ 41kMITcommit yesterday86worth
ECCaffaan-m/ECC
Skills, memory and guardrails that make coding agents work betterPersonalAgent skillsCoding assistantsCLIExtension / plugin★ 271kMITcommit yesterday85worth
Qwen CodeQwenLM/qwen-code
Open-source coding agent in the terminalPersonalCoding assistantsCLI★ 28kApache-2.0commit 11 hours ago85worth
RTKrtk-ai/rtk
Cut LLM token use on common dev commandsPersonalCoding assistantsCLI★ 82kApache-2.0commit 14 hours ago84worth
Open Interpreteropeninterpreter/openinterpreter
Coding agent for open modelsPersonalAgents & frameworksCoding assistantsCLI★ 68kApache-2.0commit yesterday84worth
AI Website ClonerJCodesMore/ai-website-cloner-template
Clone a website with AI coding agentsPersonalCoding assistantsCLI★ 36kMITcommit 6 days ago84worth
Codex CLIopenai/codex
Lightweight coding agent that runs in your terminalPersonalEnterpriseCoding assistantsCLI★ 128kApache-2.0commit 11 hours ago83worth
OpenHandsOpenHands/OpenHands
AI software engineering agent platformPersonalEnterpriseAgents & frameworksCoding assistantsWebDocker / self-host★ 90kMITcommit 19 hours ago83worth
Piearendil-works/pi
Minimal agent toolkit and coding agent CLIPersonalAgents & frameworksCoding assistantsCLILibrary / SDK★ 112kMITcommit 16 hours ago82worth
Codebase Memory MCPDeusData/codebase-memory-mcp
Code intelligence MCP server with a knowledge graphPersonalEnterpriseMCP serversCoding assistantsCLI★ 46kMITcommit yesterday82worth
Kilo CodeKilo-Org/kilocode
Open-source agentic engineering platformPersonalCoding assistantsCLIExtension / plugin★ 27kMITcommit 18 hours ago82worth
Claude Code Routermusistudio/claude-code-router
Route coding agents across modelsPersonalCoding assistantsCLI★ 38kMITcommit 7 days ago81worth
Web apps (1)
GitNexusabhigyanpatwari/GitNexus
Zero-server code intelligence enginePersonalDeveloper toolsCoding assistantsWeb★ 48kcommit 15 hours ago77worth
Self-hosted Docker apps (1)
InsForgeInsForge/InsForge
Backend platform for agentic codingPersonalEnterpriseDatabases & backendsCoding assistantsDocker / self-host★ 13kApache-2.0commit 2 days ago82worth
Desktop apps (2)
Warpwarpdotdev/warp
Agentic development environment born from the terminalPersonalDeveloper toolsCoding assistantsDesktop★ 65kAGPL-3.0commit 13 hours ago79worth
cmuxmanaflow-ai/cmux
macOS terminal built for AI coding agentsPersonalDeveloper toolsCoding assistantsDesktop★ 28kcommit 11 hours ago75worth