TinyCld

A self-hosted productivity suite that provides integrated apps for email, calendar, contacts, drive, documents, and spreadsheets, solving the problem of data ownership and control for teams. It targets developers, IT, and operations teams in small to mid-sized organizations who want to self-host their tools. The suite is positioned as a free, open-source alternative to cloud-based productivity suites, using standard protocols like IMAP, SMTP, CalDAV, CardDAV, and WebDAV, and can also serve as a platform for building custom apps.

Key features

• Full email with IMAP/SMTP
• Shared calendars with CalDAV
• Contacts with CardDAV
• Cloud file storage with WebDAV
• Document editor with CRDT collaboration
• Spreadsheets with pivot tables
• Mobile app for iOS and Android
• Native push notifications
• End-to-end typed schemas
• Multi-org support