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The index of self-hostable projects — ranked, categorized and served with live updates.
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Apache KafkavsPostHog

Two self-hosted projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.

Apache KafkaPostHog
Score83/10081/100
Rank in category#1 of 12 in Message Broker#1 of 27 in Analytics
GitHub stars34 15440 497
Stars, last 30 days+348+588
Stable releases, 12 months03504
Latest release—agent-skills-v0.3894.0 · 29 Oct 2026
SetupAdvancedAdvanced
Official Docker imageYesYes
LicenseApache-2.0Other
Main languageJavaPython

Which one should you pick?

Apache Kafka scores 83/100 against 81/100 for PostHog, so it is the safer default.

PostHog ships more often: 3504 stable releases in the past year, against 0 for Apache Kafka.

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