1.google / elephant-goldfish-modelOpen-source skills for designing and reviewing software with AI agentsagent-skillsspec-driven-developmentantigravitygeminiai-agentsclaude-code+10 morePythonAPACHE-2.011K total705 forks+9,618 starsfrom 4 · score 9.17
2.bmad-code-org / BMAD-METHODBreakthrough Method for Agile Ai Driven Developmentagileaicontext-engineeringspec-driven-developmentsdlcPythonOther license55K total6.1K forks+1,234 starsfrom 53,629 · score 7.12
3.gemini-cli-extensions / conductorA plugin for AI coding agents (Antigravity, Claude Code) enabling Spec-Driven Development to specify, plan, and implement software features.geminigoogleantigravityantigravity-cliantigravity-cli-pluginsspec-driven-developmentPythonAPACHE-2.03.8K total302 forks+36 starsfrom 3,742 · score 3.61