Mattermostmattermost/mattermostalivereplaces both
- GitHub
- ★ 36.7k · last commit today
- License
AGPL-3.0 (Team Edition)- Setup time
- 15min docker-compose
- Monthly cost
- $5 VPS for ~50 daily-active users.
Discord vs Microsoft Teams
Self-host either: open-source alternatives compared. · Category: team chat & community
Both Discord and Microsoft Teams are in the team chat & community category. 2 open-source projects (Mattermost, Matrix (Synapse)) self-host as a replacement for both — listed below alongside the picks unique to each.
| Discord | Microsoft Teams | |
|---|---|---|
| Category | Community / voice chat | Team chat + video meetings |
| SaaS pricing anchor | Free; Nitro at $9.99/user/mo for power-user perks | Teams Essentials $4/user/mo; bundled in M365 Business Basic at $6/user/mo |
| Self-host options listed | 3 | 3 |
Replaces both — 2 shared open-source picks
These open-source projects appear on both /discord/ and /microsoft-teams/ — picking one solves the migration off either SaaS.
Matrix (Synapse)element-hq/synapsealivereplaces both
- GitHub
- ★ 4.18k · last commit today
- License
AGPL-3.0- Setup time
- 30-60min (Synapse + Element web client + reverse proxy)
- Monthly cost
- $10 VPS for a small homeserver.
Picks unique to each
Microsoft Teams only
- Rocket.Chatalive
In a terminal? npx os-alt discord or npx os-alt microsoft-teams prints either side —
how the CLI works →
FAQ
Which open-source self-host alternatives replace both Discord and Microsoft Teams?
2 open-source projects appear on both /discord/ and /microsoft-teams/: Mattermost, Matrix (Synapse).
How many self-host alternatives are listed for Discord and Microsoft Teams?
3 for Discord, 3 for Microsoft Teams.
Are all the self-host alternatives free?
Yes — every listed option is open source. Your cost is the VPS or hardware that runs it.