head to head · open source
PostHog vs Prisme Analytics
PostHog has 40,600 GitHub stars, 3,579 forks, 5,637 open issues and last shipped yesterday. Prisme Analytics has 136 stars, 4 forks, 1 open issues and last shipped 9 months ago. PostHog leads on adoption by 29,753% (40,600 vs 136 stars). PostHog is written in Python under a custom or non-standard licence; Prisme Analytics is written in TypeScript under AGPL-3.0. PostHog has attracted 9% as many forks as stars, Prisme Analytics 3%. PostHog was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (analytics), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| PostHog | Prisme Analytics | |
|---|---|---|
| GitHub stars | ★ 41K | ★ 136 |
| License | Custom / other | AGPL-3.0 |
| Written in | Python | TypeScript |
| Last push | 2026-11-02 | 2026-02-12 |
| Forks | ⑂ 3.6K | ⑂ 4 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick PostHog if
- You weight community size — 41K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Prisme Analytics if
- You want the Prisme Analytics feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and Prisme Analytics fits your workflow better
About PostHog
Docs Community Roadmap Why PostHog? Changelog Bug reports PostHog is the open source platform for building self driving products PostHog provides every tool you need to build a successful product, and captures all the context agents need to proactively diagnose problems, uncover opportunities, and ship fixes: Self driving mode: Turn signals in your product data (errors, rage clicks, failed queries, and more) into researched reports and pull requests you review and merge. Product analytics: Autocapture or manually instrument event based analytics to understand user behavior and analyze data with visualization or…
read the full PostHog overview →
About Prisme Analytics
◢ Prisme Analytics An Open Source, privacy focused and progressive analytics service. Documentation Live demo Why Prisme ? Here's what makes Prisme a great alternative to other analytics: Easy setup : Gain valuable insights into your website or web application after a 3 minutes setup. Simple analytics : Easy to use dashboards with filters and definition for each metrics. Analytics that matter : Custom events and dashboards gives you the flexibility to measure what matters most, providing personalized insights to inform your business decisions. Privacy focused : Worry free GDPR, PPCA, PECR and Shrems II…
read the full Prisme Analytics overview →
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Frequently asked questions
Is PostHog or Prisme Analytics more popular?
PostHog has 40,600 GitHub stars and Prisme Analytics has 136. PostHog has the larger community by that measure.
Are PostHog and Prisme Analytics free?
Both are open source. PostHog has no licence declared in this registry, and Prisme Analytics is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between PostHog and Prisme Analytics?
PostHog is written in Python and Prisme Analytics in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, PostHog or Prisme Analytics?
Choose PostHog if you want the larger community (40,600 stars) or its Custom / other licence terms. Choose Prisme Analytics if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.