Qwerty Beats is described as 'Create beats in your browser using your keyboard' and is an website in the Audio & Music category. There are seven alternatives to Qwerty Beats, not only websites but also apps for Android, Android Tablet and Self-Hosted solutions. The best alternative is drumbit, which is free. Other great sites and apps similar to Qwerty Beats are HTML5 Drum Machine (Free), HTML-909 (Free, Open Source), Lil Drum Machine (Paid) and Splice Beat Maker (Paid).
HTML-909 is a very accurate simulation of the classic Roland TR-909 drum machine, created with HTML5 and accessible using any modern browser. Formerly available through its own domain, the app is now available through a GitHub repository, though audio samples are not included.
Dragon is a drum machine built to quickly and easily make glitch, distorted, lofi drum beats and manipulate them live. The drums are simple and flexible, capable of some classic drum machine sounds and also new weirdness.