One of the earliest established trackers in the industry

It's supposedly a very powerful tracker, but I haven't had the chance to try it out.

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.

High-performance tracker written by an old Russian

Powerful features, but requires a learning curve.

The tracker that boasts the fastest redirect speed