ReproDock
ReproDock is a web app + CLI that generates and verifies reproducible build environments for open-source projects. You point it at a GitHub/GitLab repo and it produces a pinned, minimal container/devcontainer (OS packages, language runtimes, build tools) plus a deterministic build script. It then runs the build in clean sandboxes, compares outputs across runs, and flags sources of nondeterminism (timestamps, locale, network fetches, unpinned dependencies). The goal is not to replace CI, but to make “works on my machine” disappear and make releases verifiable. It outputs a signed build manifest (inputs, hashes, toolchain versions) that maintainers can attach to releases and downstream packagers can trust. Realistically, the MVP focuses on a few ecosystems (Node, Python, Go) and common build systems, because full coverage is expensive and never-ending.