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