High-quality trackers from the Czech Republic
Powerful features, but requires a learning curve.
Expensive but powerful, it can be installed on your own server.
Free 150,000 events/month, supports custom domains + free SSL, suitable for beginners and advanced users, developed by a Chinese team, QQ customer service, deep integration with Google, Facebook, and TikTok Ads.
It's supposedly a very powerful tracker, but I haven't had the chance to try it out.
The preferred tracker when mobile was popular
High-performance tracker written by an old Russian
