bbPress is described as 'is forum software with a twist from the creators of WordPress. Its focused on web standards, ease of use, ease of integration, and speed' and is an website in the Development category. There are more than 25 alternatives to bbPress, not only websites but also apps for a variety of platforms, including Self-Hosted solutions, Linux, Windows and Mac. The best alternative is Discourse. It's not free, so if you're looking for a free alternative, you could try Flarum or phpBB. Other great sites and apps similar to bbPress are Simple Machines Forum (Free, Open Source), NodeBB (Freemium, Open Source), MyBB (Free, Open Source) and FluxBB (Free, Open Source).