TestTrack

Open-source split-testing and feature-gating system for multiple platforms

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TestTrack is an open-source, self-hosted split-testing and feature-gating server, built with Ruby on Rails, that keeps consistent experiment and feature-flag assignments for the same user across devices and supports bulk assignment overrides. It's aimed at product and engineering teams wanting a self-run alternative to commercial experimentation platforms. Client libraries are available for multiple platforms.

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Problem & pain-point mapping
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What it's a strong alternative to
Trust & credibility signals

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