webrtc

Screego is a simple, secure tool to quickly share your screen with one or multiple people via web browser, requiring no installation or registration.

Chitchatter is a free, peer-to-peer, end-to-end encrypted communication tool designed for private and secure messaging. It offers serverless, decentralized, and ephemeral chat with features like video calls, screen sharing, and file transfers.

Databag is a federated messenger for self-hosting that focuses on efficiency and minimal resource usage. It provides decentralized communication with end-to-end encryption, audio/video calls, and topic-based threading.