- [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`
- [Shynet](https://github.com/milesmcc/shynet) - modern, privacy-friendly, and detailed web analytics that works without cookies or JS. `Apache-2.0``Python`
- [Snowplow](http://snowplowanalytics.com/) - Have every single event, from your websites, mobile apps, desktop applications and server-side systems, stored in your own data warehouse and available to action in real-time. ([Source Code](https://github.com/snowplow/)) `Apache-2.0``Scala`