Is wpForo a competitor to BuddyNext, or something different?
They overlap but are not the same shape. wpForo is forum-first - boards, topics, and replies - while BuddyNext is a broader social community engine with an activity feed, spaces, profiles, and messaging. If you want a classic discussion forum, wpForo is purpose-built for it; if you want a social-feed community, BuddyNext is the better fit.
Does BuddyNext have forums like wpForo?
BuddyNext centres on a social feed and member spaces rather than a dedicated multi-board forum, and forum-style threaded discussion can be added via integrations. wpForo is the deeper, more specialised tool for structured boards, Q&A, and threaded debate. Pick BuddyNext for community breadth, wpForo for forum depth.
Are both self-hosted and open source?
Yes - both have a free GPL core you host on your own WordPress, so your data lives in your database. Note that wpForo's newer AI features connect to a gVectors-hosted service, while BuddyNext keeps the community itself fully on your own install.
Which is cheaper?
Both have strong free cores. wpForo sells affordable unlimited-site add-on bundles (roughly ~$190/$290) plus separate credit-based AI pricing; BuddyNext has a single optional annual Pro license. For a plain forum, wpForo can be very economical; for a full community, compare BuddyNext Pro against wpForo plus the membership and social plugins you would need to reach the same scope.
Can I run both together?
Potentially, yes - some sites pair a forum plugin with a social community plugin. Test the combination on a staging copy first, since both touch profiles, notifications, and moderation, and overlapping features can need configuration to avoid duplication.