ALE Rainbow Alternatives

Airtable works like a spreadsheet but gives you the power of a database to organize anything. Sign up for free.

Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.

Seamless project management and collaboration for your team.

Visit website $12.0 / Monthly (Per user)

Group-Office is an enterprise CRM and groupware tool.

EGroupware is free open source groupware software intended for businesses from small to enterprises.

Intraboom is a multi-purpose platform for all internal and external communication needs.

Cerb is a fast, flexible toolkit for web-based collaboration and workflow automation.

Live life unlimited. Free video meetings and team messaging in one app that works the way you do.

Cross-device content creation suite

Kolab Groupware is a secure, scalable, reliable, flexible, full-featured collaboration suite.

GroupWise collaboration software is a premier collaboration tool for large enterprises.

SquidHub is a simple and intuitive productivity app for teams. Get the job done - for free! - Todo list, Messages, and File sharing

Zimbra is trusted by over 500 million users to increase productivity with a complete set of collaboration tools while maintaining total control over security and privacy.

Open-Xchange Server 6 is the most advanced Linux based Groupware solution f.