Kosmi is a free real time application and communication platform that offers voice, text and video calls along with games and applications such as SNES Party, NES Party, OpenArena, Poker, Virtual Cardtables, Synced YouTube and Cowatch Video.
Iceland
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TeamSpeak Alternatives
TeamSpeak is described as 'Use crystal clear sound to communicate with your team mates cross-platform with military-grade security, lag-free performance & unparalleled reliability and uptime' and is a very popular Group Chat app in the social & communications category. There are more than 50 alternatives to TeamSpeak for a variety of platforms, including Web-based, Windows, Linux, Android and iPhone apps. The best TeamSpeak alternative is Mumble, which is both free and Open Source. Other great apps like TeamSpeak are Discord, Element, Jami and Jitsi Desktop.
Alternatives list
- 154 Kosmi alternatives
TeaSpeak is a free to use client and server software for VoIP communication. It is the ideal deal software for everyone who is annoyed about limits and restrictions.
Cost / License
- Freemium (Subscription)
- Proprietary
Alerts
- Discontinued
Platforms
- Windows
- Linux
- Self-Hosted
Comments about TeaSpeak as an Alternative to TeamSpeak
- TeaSpeak is Freemium and Proprietary
- TeaSpeak is Privacy focused
27 Nerimity alternativesNerimity is an open-source, community-first chat platform built to deliver an elegant, powerful, and feature-rich experience.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- Android Tablet
- Self-Hosted
![Profile Interface [PC - 2025]](https://d4.alternativeto.net/ofSvW79onBnQ3dT4TP6mtngdCU88FNmqv5Tk5xCMz3Q/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5Xzk5MzIyMl9mdWxsLnBuZw.jpg)
![Messages View [PC - 2025]](https://d4.alternativeto.net/Z0YhJMypz3Q3jnFWOjqYGTwVNkh5k6s3SQM5l8Rg4kE/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzI4MTQxOF9mdWxsLnBuZw.jpg)
![Server Discovery [PC - 2025]](https://d4.alternativeto.net/_po627STDjCCAfef0rngPK2upDDN9PY06d80lUQ6faQ/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzI4MjUwOF9mdWxsLnBuZw.jpg)
+2![Server Settings [PC - 2025]](https://d4.alternativeto.net/HQXrz0MnXBYtci2x26TfzVWpl2vrnm3kv_dbF23jwLE/rs:fill:309:197:1/g:no:0:0/YWJzOi8vZGlzdC9zL25lcmltaXR5XzYyODAyOF9mdWxsLnBuZw.jpg)
- Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers.
StrafeChat is a web application focused on no censorship. We believe that people with any belief, opinion, or view should be able to communicate with each other freely.
Cost / License
- Free
- Open Source
Application types
Platforms
- Online
- Self-Hosted
The Steam Chat app includes many key features of the desktop Steam client chat, including:
Cost / License
- Free
- Proprietary
Application types
Platforms
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Steam
The motivation behind the project is to provide a native desktop app for Matrix that feels more like a mainstream chat app (Element, Telegram etc) and less like an IRC client.
Cost / License
- Free
- Open Source
Application types
Platforms
- Mac
- Windows
- Linux
- Flathub
+3
TeamTalk 4 is a conferencing system which enables a group of people to collaborate and share information. Every member of a group can communicate with other members in real time using both audio and video. All that is needed is a microphone and a web camera.
Cost / License
- Free
- Proprietary
Platforms
- Windows
+2
Technitium Mesh is a secure, anonymous, peer-to-peer (p2p), open source instant messenger designed to provide end-to-end encryption. Primary aim of developing this instant messenger is to provide privacy which is achieved using cryptography and anonymity using Tor network.
Cost / License
- Free
- Open Source
Application types
Alerts
- Discontinued
Platforms
- Windows
C3 is a standalone voice and text chat application built specifically for gamers for a better overall gaming experience. Instant setup and easy channel sharing lets players spend more time communicating and less time memorizing port and server information.
Comments about C3 as an Alternative to TeamSpeak
No self-hosting server application, or no way to buy a server-application for selfhosting
Most users think C3 is a great TeamSpeak alternative.
- C3 is Free and Proprietary
jami-commander (jc for short) is a simple but convenient CLI-based Jami client app for setting up accounts and swarms as well as sending.
Cost / License
- Free
- Open Source
Platforms
- Linux
0xchat is a secure chat app built on the Nostr protocol. It prioritizes security, featuring private key login, encrypted private chats and contacts, encrypted group chats.
Cost / License
- Free
- Open Source
Application types
Platforms
- Android
- iPhone
- Windows
- Linux
- Mac
- BSD
+2
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It's cheap and innovative also providing video and screen sharing support. Feature requests/bug reports are taken seriously.