Rocket.Chat
Rocket.Chat Community
Rocket.Chat Community is the fully featured open-source version — self-hosted, unlimited users, no subscription.
Team Messaging
プランの機能と仕様
| 価格 | Free (self-hosted) |
| ユーザー数 | 無制限 |
| Channels | 無制限 |
| Direct Messages | はい |
| Video Calls | Yes — Jitsi integration |
| File Sharing | はい |
| Bots | はい |
| オープンソース | Yes — MIT licence |
| Federation | Yes — Matrix protocol |
| 対応プラットフォーム | Self-hosted, Web, Windows, macOS, Linux, iOS, Android |