Website: http://www.geostron.ru/
Manufacturer: Geostron (RU)

Website: https://gps.itrackit.com.ua/
Manufacturer: ООО АВ/Тек (UA, Dnipro)

Website: http://owntracks.org
Documentation: http://owntracks.org/booklet

An Android and iOS app for GPS tracking. Contains also a server.

Website: https://trackit.flespi.io/#/login
Manufacturer: Gurtam (BY)

Blog Article about Track It!

Website: https://gurtam.com/en/wialon
Manufacturer: Gurtam (BY)