Matrix defines a set of open APIs for decentralised communication, suitable for securely publishing, persisting and subscribing to data over a global open federation of servers with no single point of control.
- - Matrix.org is the most popular Web-based, Windows, Android & Mac alternative to Kato.
- - Matrix.org is the most popular Open Source & free alternative to Kato.
Slack is a unified communication platform built with an optimized workflow to keep modern teams focused and productive. A familiar chat interface facilitates discussions while advanced features are easily exposed based on context.
- - Slack is the most popular SaaS alternative to Kato.
Mattermost is a secure, open source platform for communication, collaboration, and workflow orchestration across tools and teams.
Trillian is an instant messaging app that works on phones, tablets, and desktops while keeping your chats neatly synchronized between all of them! We think conversation should be easily shared between all of your devices, not trapped as text messages on your phone.
Flock is a faster, more organized way for teams to communicate. Flock provides one-on-one chat and public and private channels. It offers multi-party video and audio calling and screen sharing. It also integrates with over 40 third-party apps including Google Drive, Github...
Hack Chat Features
uShare.to is a communication app for "extended" teams. Bring together teammates, clients and partners together in instant workspaces for video and audio conferencing, chat, mobile messaging and sharing information.
Engage your team and inspire collaboration with Typetalk, a cloud-based chat app for modern teams.
JANDI is a group-oriented enterprise messaging platform with an integrated suite of collaboration tools for workplace.
AVAILO is a business communication app for teams. One place for internal and external communications, open groups for your team members, service providers and customers, with real time messaging, share emails, folders and files, in a simple way.Discontinued
The program seems to be no longer updated. Last app versions were released in September 2015 and can be still downloaded from the appstores. Anyway, according with their Facebook page, the company changed name to FASTEE Technologies and released a different product.
Slenke is an internal social network for your company to securely communicate, share files, manage projects, organize tasks, track time and more. View updates and keep track of whats happening at the workplace no matter where you are.
Extendable cloud-based team communication and business collaboration app that you can easily host on your own Private Cloud Server if you want. Also available on iOS and Android devices.
- - Protonet SOUL is the most popular commercial alternative to Kato.