We track 3 open-source Segment alternatives, of which 3 currently score 70 or above on Repoly's GitHub health scale and 1 ship a Docker image. RudderStack leads on health at 95/100 with 110 commits in the last 90 days; across all 3 projects you are choosing between Elastic-2.0, GPL-3.0, MIT.
Showing 3 of 3 tools
Top pick · highest health
Collect, unify, transform, and store your customer data, and route it to a wide range of common, popular marketing, sales, and product tools (alternative to Segment).
★ 4.5k · ⟳ today · v1.86.1 · Elastic-2.0
Product analytics, session recording, feature flagging and a/b testing that you can self-host (alternative to Mixpanel, Amplitude, Heap, HotJar, Optimizely).
★ 40k · ⟳ today · desktop-v0.61.408 · MIT
Web analytics that protects your data and your customers' privacy (alternative to Google Analytics).
★ 22k · ⟳ today · 5.13.0 · GPL-3.0
RudderStack scores highest at 95/100, with 110 commits in the last 90 days, 4.5k GitHub stars and its latest release (v1.86.1) published 5 days ago. PostHog has the most raw commit activity at 12186 commits in 90 days.
1 of 3 are permissively licensed (MIT, Apache, BSD or similar): PostHog (MIT). 1 use copyleft licences such as GPL or AGPL, which require you to publish changes if you distribute a modified version.
1 of 3 publish a Docker image or Compose file: RudderStack. Docker support contributes 10 of the 100 available health points, because it is the clearest signal that self-hosting is a supported path rather than an afterthought.