- [Koko Analytics](https://www.kokoanalytics.com/) - Privacy-friendly and open source analytics plugin for WordPress. ([Source Code](https://github.com/ibericode/koko-analytics/)) `GPL-3.0``PHP`
- [Matomo](https://matomo.org/) - Leading open-source analytics platform that gives you more than just powerful analytics, formerly known as Piwik. ([Source Code](https://github.com/matomo-org/)) `GPL-3.0``PHP`
- [Open Web Analytics](http://www.openwebanalytics.com/) - Google Analytics and Matomo alternative. ([Source Code](https://github.com/padams/Open-Web-Analytics)) `GPL-2.0``PHP`
- [PostHog](https://posthog.com) - Open source product analytics, a Mixpanel/Amplitude/Heap alternative. ([Source Code](https://github.com/posthog/posthog)) `MIT``Python`
- [Rakam](https://rakam.io/) - Custom analytics platform that allows you to create your own analytics services. Integrate with any data source (web, mobile, IoT etc.), analyze data with SQL and create dashboards. ([Source Code](https://github.com/rakam-io/rakam)) `Apache-2.0``Java`
- [Rudder](https://rudderlabs.com/) - Customer Data Infrastructure software for collecting, storing, processing and routing event data from apps and websites to dozens of marketing tools & analytics platforms (open-source alternative to Segment et al.). ([Source Code](https://github.com/rudderlabs/rudder-server/)) `SSPL-1.0``Go`
- [Serposcope](https://serposcope.serphacker.com/) - Serposcope is a free and open-source rank tracker to monitor websites ranking in Google and improve your SEO performances. ([Source Code](https://github.com/serphacker/serposcope)) `MIT``Java`