Apps similar to ChatWork include Slack, which has a free version. Other options are Mattermost, Ripcord, Microsoft Teams and Ziggs. You can choose from more than 10 Group Chat Apps like ChatWork for Windows, Mac, Linux, iPhone and the web.
AstraChat is a standalone and lightweight Jabber (XMPP) client application for mobile and desktop that connects directly to your XMPP server without any proxies in-between.
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LeggoChat is a group or channel based chat platform that is designed to be easy to set up for any casual, or formal settings and discussions. Users can choose to have their messages logged and stored, or otherwise. No user accounts are required to get started at all.
Chanty helps teams improve productivity and business communication. Unlimited message history, task management, file sharing and powerful notifications organize and save your day. Collaborate and communicate effectively in one place.
Kwayet is an internal communication app exclusively for your team or workplace. You can collaborate, call and message anyone without requiring a phone number.?
Online team collaboration - secure video conferencing, document sharing, chat, e-signing, expense tracking. Free and paid subscription.
