- Senders send messages stamped with Bitcoin ecash to Nostr relays. The Nostr relays collect the Bitcoin ecash, then deliver messages to receivers.
Cost / License
- Free
- Open Source (AGPL-3.0)
Application typeApplication types
Platforms
- Android
Slack Alternatives
Slack is described as 'Facilitates teams' real-time collaboration with versatile chat interface and advanced search in configurable channels across multiple platforms' and is a leading Group Chat app in the social & communications category. There are more than 100 alternatives to Slack for a variety of platforms, including Web-based, Android, iPhone, Windows and Mac apps. The best Slack alternative is Zulip. It's not free, so if you're looking for a free alternative, you could try Zulip or Element. Other great apps like Slack are Matrix, Trello, Stoat Chat and Wire.
filter to find the best alternatives
Slack alternatives are mainly Team Collaboration Tools, but if you're looking for Group Chat Apps or Instant Messengers you can filter on that. Other popular filters include Open Source, Self-Hosted, Self-Hosted + Open Source and Free. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Slack.
Alternatives list
- 71 Keychat alternatives
Facilitates community collaboration through voice, video, and text chat, integrated docs and tasks, configurable channels, roles, and permissions, seamless mobile and desktop access, rapid message reactions, file sharing, and notification controls for groups.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
PeerSuite is an open source, decentralized, private alternative to apps like Discord or Slack. All data is sent only between clients through encrypted WebRTC channels.
Cost / License
- Free
- Open Source
Application typeApplication types
Platforms
- Online
- Self-Hosted
- Docker
United States
Workrooms changes how teams work together, boring project setup is now history! Work together projectless™, work is now agile and barrier free. Invite people, assign tasks and get going – right away!
Cost / License
- Freemium
- Proprietary
Platforms
- Mac
- Windows
- Online
An IRC-like internet chatroom hosted on ZeroNet, a distributed network. 0rc is a fully distributed website, and messages are shared through peers using the ZeroNet stack. In addition, making a new chatroom website is a simple as downloading the files and cloning the site.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
- Online
- Self-Hosted
- Python
- JavaScript
- ZeroNet
The core of your corporate communications, based on the advanced architecture, with support for UltraHD video conferencing, built-in messenger and a free version for 1,000 users.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- iPad
- Self-Hosted
- Apple Watch
- United States
+3
VideoMeeting is a free and open source video conference solution built to have video calls and chats using your web browser. It is a pure web application based on WebRTC that can provide communication features within your web browser.
Cost / License
- Free
- Proprietary
Application typeApplication types
Platforms
- Online
Spain
EU
Fast open source Slack desktop app, written in Node.js with native UI powered by the Yue library.
Cost / License
- Free
- Open Source
Alerts
- Discontinued
Platforms
- Mac
- Windows
- Linux
Welcome to the connective tissue of the workplace, the command center for your productivity, and the beating heart of your organization.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Android
- iPhone
- Android Tablet
- iPad
- United States
Platforms
- Android
- iPhone
- Android Tablet
- iPad
- F-Droid
- United States
Glowing Bear is a sleek, modern web frontend that securely connects to a running instance of WeeChat using its built-in relay protocol. It relies on WeeChat to do all the heavy lifting and then provides some nice features on top of that, like...
Cost / License
- Free
- Open Source (GPL-3.0)
Application type
Platforms
- Online
- Self-Hosted
- Google Chrome
- WeeChat
Conference Calling offers affordable audio conferencing and screen sharing services, including call recording, online call management, web conferencing, HD audio quality and more.
Cost / License
- Paid
- Proprietary
Application type
Platforms
- Mac
- Windows
- Online
- Android
- iPhone
- Blackberry
- Chrome OS
- Windows Phone
- Blackberry 10
