MyBB Alternatives, Similar

MyBB is the free and open source, intuitive, extensible, and incredibly powerful forum software you've been looking for.
With everything from forums to threads, posts to private messages, search to profiles, and reputation to warnings, MyBB features everything you need to run an efficient and captivating community. Through plugins and themes, you can extend MyBB's functionality to build your community exactly as you'd like it.Forum software everyone can love.
MyBB powers hundreds of thousands of engaging, powerful, and unique communities across the internet. More Info »Extremely easy to use.
Much thought has gone into MyBB's interface to make it simple, intuitive, and an absolute joy to use.Take control of your forum.
MyBB offers powerful moderation and administration features to keep your forum in tip-top shape, just the way you like it.Customize everything.
With an extensive range of plugins and a built-in theme and template editor, adding new features or an entirely new coat of paint is simple.