Retro AIM Server is an instant messaging server that revives AOL Instant Messenger (and ICQ!) clients from the 2000s.
Cost / License
- Free
- Open Source (MIT)
Application type
Platforms
- Mac
- Windows
- Linux
- Self-Hosted
R
Element X Alternatives
Alternatives list
Nebulynk is a self-hosted team communication platform combining chat, persistent voice channels and voice/video meetings. It includes AI-powered meeting transcription, structured summaries and searchable follow-up through Ask the Meeting.
Cost / License
- Free Personal
- Source Available (BUSL-1.1)
Application typeApplication types
Platforms
- Self-Hosted
- Docker
Germany
EU
+9
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.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
+2
Private messenger for Android with no phone number or email. Messages are end-to-end encrypted and travel over Tor and Nostr.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Android
- Germany
- EU
+4
A free and open-source peer-to-peer chat app for private messaging, voice calls and screen sharing over WebRTC.
Cost / License
- Free
- Open Source (MIT)
Application typeApplication types
Platforms
- Windows
- Linux
- Google Chrome
- Android
- Germany
- EU
+1
A simple-to-use messaging app for 1:1 communication and small groups supporting SMS, MMS, matrix and XMPP through libpurple.
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Linux
- Flathub
- GNOME
- Linux Mobile
United States
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- Germany
- EU
+5
Cost / License
- Free
- Proprietary
Platforms
- Online
- iPhone
- iPad
Switzerland
simple but convenient CLI-based Matrix client app for sending and receiving (in Rust)
Cost / License
- Free
- Open Source (GPL-3.0)
Platforms
- Linux
- Rust
France- EU
Shape helps busy teams reach consensus and ship faster with focused spaces designed for discussion and delivery.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Online
- United States
+1
A self-hosted, peer-to-peer video conferencing solution built for personal and small group meetings, offering end-to-end encrypted communication, full data privacy, and complete control over your own server and branding.
Cost / License
- Paid
- Proprietary
Application typeApplication types
Platforms
- Online
- Self-Hosted
- Software as a Service (SaaS)
- United States
+1
