Best Open Source Alternatives to Gainsight PX

Compare the best free and open-source alternatives to Gainsight PX — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 3 alternatives

Gainsight PX

Proprietary SaaS

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Platformsweb, mobile

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Gainsight PX alternatives compared

Open-source alternatives to Gainsight PX, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
PostHog	40,619	MIT	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit
Snowplow	7,048	Apache-2.0	LinuxmacOSWindowsDocker	Yes	Oct 2026	Visit
Countly	5,925	AGPL-3.0	LinuxmacOSWindowsDocker	Yes	Nov 2026	Visit

Top open-source Gainsight PX alternatives

PostHog40,619MIT

PostHog replaces Amplitude and Mixpanel with an open-source platform uniting product analytics, session replays, and feature flags in one stack.

LinuxmacOSWindowsDockerWeb

vs Gainsight PX: a free, open-source option you fully control, licensed MIT.

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Snowplow7,048Apache-2.0

Snowplow is an event collection pipeline replacing proprietary trackers with schema-validated streaming into private cloud data warehouses.

LinuxmacOSWindowsDocker

vs Gainsight PX: a free, open-source option you fully control, licensed Apache-2.0.

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Countly5,925AGPL-3.0

Self-hosted analytics platform replacing Amplitude and Mixpanel. Tracks mobile, web, and IoT events in real time with complete data sovereignty.

LinuxmacOSWindowsDockerWeb

vs Gainsight PX: a free, open-source option you fully control, licensed AGPL-3.0.

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Best Open Source Alternatives to Gainsight PX

Gainsight PX

Gainsight PX alternatives compared

Top open-source Gainsight PX alternatives

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.