Discourse
Platform for discussion forums and communities, with moderation and email notifications.
GPL-2.0Strong copyleft
SaaS: YesClosed product: No
- GitHub stars
- 47.9k
- Deployment
- Docker
- Login/SSO
- SAML, OIDC, LDAP
Open-source alternatives to Vanilla Forums
Vanilla Forums in the Customer service category. These are the open alternatives we recommend looking at.
Flarum
Simple, fast forum software in PHP with extensions.
MITPermissive
SaaS: YesClosed product: Yes
- GitHub stars
- 16.4k
- Deployment
- Server
NodeBB
Forum software in Node.js with real-time updates and plug-ins.
GPL-3.0Strong copyleft
SaaS: YesClosed product: No
- GitHub stars
- 15.2k
- Deployment
- Docker
- Login/SSO
- OIDC, SAML
Misago
Full-featured forum application in Python and Django.
GPL-2.0Strong copyleft
SaaS: YesClosed product: No
- GitHub stars
- 2.8k
- Deployment
- Docker
- Login/SSO
- OIDC
phpBB
Classic, long-standing forum software in PHP with many extensions.
GPL-2.0Strong copyleft
SaaS: YesClosed product: No
- GitHub stars
- 2.1k
- Deployment
- Server
- Login/SSO
- LDAP
This is guidance, not legal advice (inte juridisk rådgivning). Check with a lawyer before deciding.
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