Apps similar to IceWarp include Slack, which has a free version. Other options are eigen, Google Workspace, Nextcloud Hub and Ripcord. There's no shortage of Team Collaboration Tools like IceWarp, with more than 25 alternatives for the web, Linux, Windows, Mac and Android.
Axigen provides a multi-tenant, fully integrated, multi-platform, all-in-one email, calendaring and collaboration messaging solution. It grants extensive branding options and is localized in over 29 languages (including right-to-left writing mode).
Italy
EU
Zoho Cliq simplifies your team communication with organized conversations, information that's easy to find and by connecting to the tools you love. Transform ideas into reality with your team. With channels, your team communication is visible, transparent and efficient.
India
Kolab Now provides a suite of intuitive apps in a user friendly environment to make your day to day online comms easier, smarter and most importantly; secure.
Switzerland
grommunio (formerly known as grammm) efficiently combines all requirements of modern, digital communication and collaboration.
GermanyEU
Samepage facilitates communication, project management, meetings, online collaboration and more by combining chat, video calling, screen sharing, task management, file sharing, and real-time document collaboration in a single collaborative workspace.
United States
SmarterMail is the only other email server on the market with native support for MAPI, the protocol that powers Exchange and Outlook. That means anything you can do on Exchange you can do with SmarterMail: no plug-ins and no additional software required.
United States
A privacy-first, all-in-one ecosystem that replaces Google Workspace and Creative Cloud. Features encrypted email, cloud storage, and docs, alongside a browser-based 3D animation engine and AI assistant. Your data stays yours.
United States
WikiSuite™ is especially suited to knowledge-centric organizations and offers most (80%+) of the data and information management features all organizations need.
Wimi is the ultimate productivity tool. It integrates all the essential applications to facilitate teamwork. Wimi saves time to managers and entrepreneurs working with teams and clients.
FranceEU
WorkDo is an all-in-one app to make teamwork effortless with features that allow you to collaborate easily with your teammates. It is specifically designed to make business management a breeze.
United States
PrivMX Fusion is safe and easy collaboration software for all kinds of teams, with virtual workspace protected by end-to-end encryption. Each team uses desktop/laptop client software and its own (zero-knowledge) PrivMX Team Server.
PolandEU
OpenChange aims to provide a portable Open Source implementation of Microsoft Exchange Server and Exchange protocols.
Canada
