| XenForo | 2,774 | https://xenforo.com |
| phpBB | 2,242 | https://phpbb.com |
| Discourse | 2,097 | https://discourse.org |
| vBulletin | 941 | https://www.vbulletin.com |
| Mastodon | 871 | https://joinmastodon.org |
| Discuz! X | 750 | https://www.discuz.net |
| MyBB | 329 | https://mybb.com |
| IPB | 232 | https://invisioncommunity.com/ |
| Invision Power Board | 231 | https://invisioncommunity.com |
| Flarum | 143 | https://flarum.org/ |
| NodeBB | 125 | https://nodebb.org |
| Community | 103 | https://www.community.com |
| Vanilla | 77 | https://vanillaforums.org |
| Philomena | 76 | https://github.com/derpibooru/philomena |
| Misskey | 63 | https://join.misskey.page/ |
| Ultimate Bulletin Board | 20 | https://www.ubbcentral.com |
| Reddit | 20 | https://code.reddit.com |
| Linen | 19 | https://www.linen.dev |
| FluxBB | 15 | https://fluxbb.org |
| PushWoosh | 13 | https://www.pushwoosh.com |