Redmine - Flexible project management web application

Microsoft 365 - Boost your productivity with reliable access anywhere with services like email, calendar, file sharing, meetings, instant messaging, and Office Online

Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

Feng Office - Feng Office is a commercial Open Source web based solution aimed to enhance collaboration and productivity

Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.

Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.