Holos

Holos is a mobile-first Fediverse client that gives you your own ActivityPub identity directly on your phone. Unlike traditional Mastodon apps that require an account on a server, Holos runs a full ActivityPub server on your device.

Key Features:

- Your Own ActivityPub Server
- Full ActivityPub server running on your phone
- Your data stored locally on your device
- Relay server provides a stable address for federation

- Full Fediverse Compatibility
- Follow and interact with users on Mastodon, Pleroma, Misskey, Pixelfed, and more
- Full ActivityPub support: posts, likes, boosts, replies, quotes, and mentions
- Direct messages with real-time delivery

- Flexible Timeline Views
- Switch between All, Media only, Videos only, or Text only
- Quickly adapt your feed to your current mood
- Filter content the way you want

- Mobile-First Design
- Built from the ground up for mobile
- Works offline with automatic sync when reconnected
- Battery-efficient with smart background sync

- Privacy Focused
- Your posts and messages stored locally in SQLite
- All traffic proxied through relay for IP privacy
- RSA keys generated on-device, private key never leaves your phone

- Real-Time Sync
- WebSocket connection for instant notifications
- Activity queue with priority-based delivery
- Automatic catch-up after offline periods