Alternatives / Amplitude
Looking for an open source Amplitude alternative? We compared 11 open source product and web analytics tools by license, self-hosting, session replay, and mobile support. They range from full product analytics suites to web analytics and analytics infrastructure, and several use open-core or restricted licenses.
Written by Maxime DERAME
Last updated:
| Alternative | Best for | License |
|---|---|---|
| PostHog | Product analytics suite with experiments (open core) | MIT + ee directory |
| OpenPanel | Product and web analytics, closest simple replacement | AGPL-3.0 |
| Rybbit | Cookieless web analytics with session replay | AGPL-3.0 |
| OpenReplay | Session replay and product analytics (open core) | AGPL-3.0 + ee directory |
| Countly | Mobile, web, and desktop analytics (Lite license) | Countly Lite license (restricted) |
| Aptabase | Analytics for mobile and desktop apps | AGPL-3.0 |
| Vemetric | Web and product analytics (open beta) | AGPL-3.0 |
| Betterlytics | GDPR-oriented web analytics (very young) | AGPL-3.0 |
| Trench | Analytics infrastructure on ClickHouse and Kafka | MIT |
| Litlyx | Cookieless web analytics (development slowed) | Apache-2.0 |
| Fathom Lite | Simple privacy-first website stats (legacy edition) | MIT |
We looked for open-source tools that overlap with Amplitude's core: tracking events, analyzing funnels and retention, and understanding user behavior. We verified each project's license, recent activity, stars, and self-hosting in its repository. Amplitude is a hosted product analytics platform, so we separate full product analytics from web analytics and infrastructure tools, and flag open-core and restricted licenses. See our methodology for the full criteria.
PostHog, OpenPanel, OpenReplay, Countly, and Vemetric offer product analytics with funnels, retention, or session replay. Rybbit, Betterlytics, Litlyx, and Fathom Lite are mainly web analytics, Aptabase targets mobile and desktop apps, and Trench is analytics infrastructure you build on. Pick by whether you need behavioral analysis or traffic reporting.
PostHog is MIT except for its ee directory. OpenReplay is AGPL-3.0 with an ee directory, and Countly's free edition uses the Countly Lite license, which is a restricted, non-commercial license rather than standard open source. Trench is MIT, and OpenPanel, Rybbit, Aptabase, Vemetric, and Betterlytics are AGPL-3.0.
PostHog is the closest to a full product analytics suite, with experiments, feature flags, and session recording, available self-hosted or in its cloud. OpenPanel is a lighter product and web analytics tool with funnels, retention, session replay, and free self-hosting with unlimited events.
Fathom Lite is a previous open-source version of the paid Fathom Analytics, and its authors say no features are being added, with only bug fixes. Vemetric is in open beta, Betterlytics has only about 180 stars, and Litlyx's last commit was in December 2025.
PostHog, OpenPanel, Rybbit, OpenReplay, Countly, Aptabase, Vemetric, and Betterlytics had commits within days of this update. Trench's last commit was in April 2026, and Fathom Lite's in March 2026.
Amplitude is a proprietary hosted analytics platform priced by monthly tracked users or events, with product data stored on its servers. Open-source alternatives let you self-host analytics, keep user data under your control, avoid event-volume pricing, and run analytics without cookie banners in some cases, at the cost of operating the data stack and fewer advanced behavioral features.
PostHog is a product analytics suite with event analytics, funnels, retention, experiments, feature flags, and session recording, available self-hosted or in PostHog Cloud. The repository is MIT except for the ee directory, which has its own license.
Pricing: Free to self-host the open-source parts; the cloud has a free tier and usage-based pricing.
Rybbit is an AGPL-3.0 open-source, privacy-friendly web analytics tool with real-time data, session replay, and Core Web Vitals, which is cookieless and can be self-hosted.
Pricing: Free to self-host; the cloud is paid.
OpenReplay is a self-hostable session replay and product analytics platform with co-browsing, heatmaps, and error tracking. It is AGPL-3.0 with an ee directory, and enterprise features such as SSO are in its paid editions. Self-hosting in production is free.
Pricing: Free to self-host; cloud and enterprise plans are paid.
Fathom Lite is the previous open-source version of Fathom Analytics, an MIT-licensed, privacy-focused web analytics tool built with Go and Preact. Its authors say they are no longer adding features and only fixing bugs, and today's Fathom is a paid hosted product.
Pricing: Free to self-host the Lite edition; Fathom's hosted product is paid.
AGPL-3.0 analytics with funnels, cohorts, session replay, and 16 SDKs. ClickHouse-powered queries, GDPR-compliant tracking, and an identical cloud/self-hosted feature set.
Pricing: Free and open source (AGPL-3.0), self-hosted; a hosted cloud plan is also available.
Countly is a privacy-first analytics and engagement platform for mobile, web, and desktop applications, with real-time monitoring and crash reports, available in a free Community edition and a paid Enterprise edition. The free edition is covered by the Countly Lite license, which is not a standard open-source license and restricts non-commercial use.
Pricing: Free Lite edition under its license; Enterprise is paid.
Aptabase is an AGPL-3.0 open-source analytics tool for mobile, desktop, and web apps that is simple and privacy-first, with SDKs for many platforms. It is built for apps rather than websites and can be self-hosted.
Pricing: Free to self-host; the cloud is paid.
Litlyx is an Apache-2.0 web analytics tool with cookieless tracking, custom events, and funnels, with a free tier on its hosted service. Its last commit was in December 2025, so development has slowed.
Pricing: Free tier on the hosted service; check the website for paid plans.
Trench is an MIT-licensed open-source analytics infrastructure in a single Docker image built on ClickHouse, Kafka, and Node.js for tracking events, queried with SQL or REST. Cloud features such as SLA and priority support belong to the managed offering, and the open-source version has community support only.
Pricing: Free to self-host; the managed offering is paid.
Vemetric is an AGPL-3.0 web and product analytics tool with funnels, user journeys, and heatmaps. It is currently in open beta with early-adopter pricing.
Pricing: Early-adopter pricing during open beta; check the website.
Betterlytics is an AGPL-3.0 web analytics tool with session replay, funnels, error tracking, Core Web Vitals, and uptime monitoring, which is cookieless, with an EU-hosted cloud or self-hosting with Docker. It is a very young project.
Pricing: Free to self-host; the EU-hosted cloud is paid.
| Alternative | Type | License | Self-hosted | Best for |
|---|---|---|---|---|
| OpenPanel | Product and web analytics | AGPL-3.0 | Yes | Funnels and retention |
| PostHog | Product analytics suite | MIT + ee directory | Yes | Experiments and flags |
| Rybbit | Web analytics | AGPL-3.0 | Yes | Cookieless analytics |
| OpenReplay | Session replay | AGPL-3.0 + ee directory | Yes | Debugging sessions |
| Fathom Lite | Web analytics | MIT | Yes | Simple stats |
| Countly | App and web analytics | Countly Lite license | Yes | Mobile and web |
| Aptabase | App analytics | AGPL-3.0 | Yes | Mobile and desktop apps |
| Litlyx | Web analytics | Apache-2.0 | Yes | Cookieless analytics |
| Trench | Analytics infrastructure | MIT | Yes | Custom pipelines |
| Vemetric | Web and product analytics | AGPL-3.0 | Yes | Funnels and journeys |
| Betterlytics | Web analytics | AGPL-3.0 | Yes | GDPR-focused analytics |
Want a full product analytics suite
PostHog offers product analytics, experiments, feature flags, and session recording, under MIT except for its ee directory.
Want a simple product and web analytics tool
OpenPanel covers events, funnels, retention, and session replay, with free self-hosting and unlimited events.
Want analytics for a mobile or desktop app
Aptabase is an AGPL-3.0 analytics tool for mobile and desktop apps, not for websites.
Want session replay to debug issues
OpenReplay offers session replay, co-browsing, and heatmaps, with enterprise features such as SSO in paid editions.
Want to build your own analytics pipeline
Trench is an MIT ClickHouse and Kafka based analytics infrastructure queried with SQL or REST.