Gulo Gulo is an open-source, mail-first groupware platform built from a shared TypeScript core. It is designed for people who want mail, calendars and contacts to live in one tenant-aware service instead of being scattered across unrelated integrations. One core, three deployment paths The proj...
Source: [Dev.to](https://dev.to/sythos/gulo-gulo-an-open-source-tenant-isolated-mail-first-groupware-platform-3b55)