Hittly is described as 'membership community software for creators to build an audience, grow organically, moderate it effectively and monetize it by selling site memberships. Start building a loyal army of followers now!' and is an app in the Social & Communications category. There are more than 50 alternatives to Hittly for a variety of platforms, including Online / Web-based, Self-Hosted solutions, Windows, Linux 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 apps like Hittly are Kialo (Free), Simple Machines Forum (Free, Open Source), Gumroad (Paid) and NodeBB (Freemium, Open Source).
Discourse is an open source discussion platform built for the next decade of the Internet. A modern forum, everything's been redesigned to be easy. Self-hosted Discourse software is free, hosting service is paid.
Flarum is free, open-source forum software with a focus on simplicity. You can use Flarum to easily set up a discussion forum for your website. Flarum is developed openly on GitHub.It is the combined successor of esoTalk and FluxBB. It aims to be:
Since its creation in 2000, phpBB™ has become the most widely used Open Source forum solution. Like its predecessors, phpBB™ 3.2 “Rhea” has an easy to use administration panel and a user friendly installation process, which allows you to have a forum set up in minutes.