Tsung - Tsung is an open-source multi-protocol distributed load testing tool.
Waistra Analytics - Waistra Analytics is a Privacy Focused free web analytics program. Waistra Analytics is a part of waistra eco system. Powerful Web Analytics Website.
gatling - A high performance web server. Small! (125k static Linux-x86 binary with HTTP, FTP and SMB support).
Ghostboard.io - Analytics of your Ghost blog
wrk - HTTP benchmarking tool capable of generating significant load on a multi-core CPU.
Simple Analytics - The privacy-first Google Analytics alternative located in Europe.