Rocket.Chat - Rocket.Chat is a Web Chat Server, developed in JavaScript, using the Meteor fullstack framework.
LibreOffice - Free office suite, open source, and compatible with .doc, .docx, .xls, .xlsx, .ppt, .pptx files. Updated regularly – download for free. Originally based on OpenOffice.org.
CometChat - Seamless Real-Time Chat Integration for Your Applications.
Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online
Taskworld - Taskworld is a cloud-based collaboration platform that increases productivity, engagement at work.
ONLYOFFICE - ONLYOFFICE is a complete office and productivity suite.