openrocket
GitHub Repo Pretty sure · niche but legitimateOpen-source rocket simulator that actually solves a real engineering problem instead of wrapping an API in five layers of abstraction. The fact it exists and works is the entire pitch.
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Agent reasoning
OpenRocket is a working 6DOF flight simulator with genuine physics under the hood—aerodynamics, staging, motor clustering, real optimization loops. Not marketing theater. The science is solid: serious rocketry communities actually use this for pre-flight validation. Signal is moderate because it's specialized (model rockets, not general-purpose), but it *ships* and solves a hard problem. Slop near zero—README is actual feature list, badges are honest (build status, docs, translations), no AI-...
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