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| Discourse | 43 | https://discourse.org |
| Discuz! X | 40 | https://www.discuz.net |
| Mastodon | 33 | https://joinmastodon.org |
| IPB | 22 | https://invisioncommunity.com/ |
| Invision Power Board | 22 | https://invisioncommunity.com |
| vBulletin | 19 | https://www.vbulletin.com |
| phpBB | 15 | https://phpbb.com |
| Linen | 14 | https://www.linen.dev |
| PushWoosh | 11 | https://www.pushwoosh.com |
| MyBB | 10 | https://mybb.com |
| Simple Machines Forum | 9 | https://www.simplemachines.org |
| Reddit | 8 | https://code.reddit.com |
| NodeBB | 5 | https://nodebb.org |
| Community | 2 | https://www.community.com |
| punBB | 2 | https://punbb.informer.com |
| Flarum | 1 | https://flarum.org/ |
| FluxBB | 1 | https://fluxbb.org |
| Misskey | 1 | https://join.misskey.page/ |
| Vanilla | 1 | https://vanillaforums.org |