Akka.NET
drift: noneThe canonical actor-model implementation for .NET — a major, long-running OSS project routing its modernization work through OpenSpec change folders.
Tracked projects
Real repositories using spec-driven development, tracked over time: spec structure, activity, spec-to-code drift, and maintenance outcomes. Know a project we should track? Submit it.
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OpenSpec
drift: noneThe OpenSpec CLI and toolkit itself, developed with its own change-folder workflow — "OpenSpec is built with OpenSpec".
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Spirit of Kiro
drift: highA game built with and powered by generative AI by the Kiro team — Kiro's own public showcase project.
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Debrief
drift: moderateLong-running open-source maritime analysis workbench (active since the 1990s) using Spec Kit to drive a documentation and migration effort.