Mattermost
A secure, self-hostable, open-source communication platform designed for enterprises that prioritize data sovereignty and require a private alternative to [SaaS](/resource/deployment-saas) chat solutions.
Communication
Category: Communication under Digital Workplace
Meetily
An open-source, privacy-first AI meeting assistant that runs locally. Captures and summarizes meetings without sending audio to the cloud.
Cal.com
The open-source scheduling infrastructure for everyone. A customizable, white-label-ready alternative to Calendly.
Jitsi Meet
Secure, open-source video conferencing solution for web and mobile. Self-hostable, end-to-end encrypted, and highly scalable.
Thunderbird
The open-source standard for email, calendar, and contacts. Revitalized with the 'Supernova' interface and built for privacy and ownership.