Nextcloud Hub - On-premises, enterprise collaboration solution for documents, emails, calendars and more.
Dialog Messenger - handy and feature-rich enterprise multi-device messenger available for server or cloud – Slack-like, but not Slack-limited
Oak Engage - Oak Engage is a digital workplace for enterprises that need to communicate with their workforce. Connect your teams. Engage your people.
Ripcord - A desktop chat client for Discord and Slack
Livetiles - Intranet solution for small to large businesses
Ziggs - Smoothly Share Content Between Devices!