Dirc is a peer-to-peer web application which uses WebRTC to set up connections between chat participants without requiring a back-end server. The static files can be self-hosted. Other features:

The best open source alternative to Wire is Signal. If that doesn't suit you, our users have ranked more than 100 alternatives to Wire and loads of them are open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Wire are Element, Tox, Jitsi Meet and SimpleX Chat.
Dirc is a peer-to-peer web application which uses WebRTC to set up connections between chat participants without requiring a back-end server. The static files can be self-hosted. Other features:

Ayttm is an instant messaging (aka chat) client that provides all-in-one chat functionality for several major instant messaging services from one simple program. Ayttm "Contacts" allow you to refer to several accounts of the same person from a single contact name...

This is the most minimalistic social sharing possible, yet, it's probably the most relevant one as well. It's relevant in time and space. You only see what may potentially matter to you. You do not choose what you see.


Signal is a communication platform that ensures privacy and security. It supports various communication modes like video calls (up to 8 participants), messages, images, videos, documents, voice recordings, GIFs, contact and location sharing, and group chats.



Webrowse helps your team easily collaborate via a shared browsing window during your online meetings. Webrowse is based in chrome, and so regardless of the meeting platform you use, you and your team can easily collaborate inside Chrome.


World's most secure P2P messenger. End-to-end encrypted, zero-server architecture, quantum-resistant roadmap. WebRTC direct connections, advanced ECDH + DTLS + SAS verification, full ASN.1 validation.




Open-source, anonymous chat where your identity is just a @handle you pick — no phone number, no email, with end-to-end encrypted DMs.



Anonymous, end-to-end encrypted two-person chat that runs in the browser and starts from a shareable link. The WebRTC handshake is encrypted inside the link; messages then go directly between browsers. No account, no app, no server in the message path. Open source.



TempTalk is an open-source instant messaging application focused on privacy-first communication. It provides end-to-end encryption, automatic message expiration, and metadata minimization to create a truly private communication experience.



Vardum (formerly VEIL): post-quantum encrypted messaging, no phone number needed. End-to-end and post-quantum encryption, no phone number or email to sign up. Open source (AGPL-3.0); independent audit planned for early 2027.



Margin is an open-source team communication app that brings messaging, channels, and voice & video calls together in one place. Built as a European alternative to Slack, Microsoft Teams, and Discord.



