Osmium is unclaimed —
O
Osmium
Fast & stable chat for your communities·osmium.chat
Osmium is a free community chat app combining real-time messaging, voice and video channels, screen sharing, and moderation tools with roles and permissions. It offers a free, public API for building bots, integrations, and third-party clients. The platform emphasizes privacy, independent infrastructure, regional data storage, and no ads or tracking, all provided at no cost.
What it's for
Real-time text messagingVoice and video chatScreen sharing and audio sharingCommunity moderationBuilding custom bots and integrations via the public APICustom emoji and sticker sharing
Features 20
- Animated emojis
- Announcement channels
- Community discovery
- Custom emojis
- Custom nicknames
- Device management
- Direct messages and group chats
- Encryption in transit and at rest
- Hierarchical role-based permissions
- Link previews
- Markdown messages
- Message reactions
- Music presence
- OAuth
- Open protocol for bots and clients
- Private roles
- Profile customization
- Regional data storage
- Screen sharing and audio sharing on all platforms
- Voice and video chat
At a glance
free tierAPI
TypeWeb app
DeploymentCloud
PlatformsWeb, Windows, macOS, Linux
LanguagesEnglish, español, português (Brasil), Deutsch, français, русский, Türkçe, Indonesia, العربية, čeština, беларуская, Lingua Franca Nova, Nederlands
Foronline communities
CompanyOsmium
Pricing
Osmium is described as entirely free ('all for free'); no paid plans are offered.
FreeFree
Entire product is offered for free; no paid tiers listed.