UCS-Care-Group/mailcraft
MailCraft: an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.
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MailCraft: an open-source, clean-room mail, calendar and contacts program in pure Rust, for Microsoft 365, Outlook.com and IMAP. Early alpha.
Built-in Mail & Calendars app clone for Windows.
Calendar sync tool & universal calendar MCP server. Aggregate, sync and control calendars on Google, Outlook, Office 365, iCloud, CalDAV or ICS.
Microsoft 365 & Microsoft Graph Library for Python
Groupware server backend for the grommunio distribution. Supports MAPI/HTTP, RPC/HTTP, EWS, IMAP, POP3 protocols, PHP-MAPI bindings, and data import from PST/OST/MSG/CDFV2/TNEF, EML/ICAL/VCF, Zarafa/Kopano, E4A/Kopanion.
A self-hosted Email Middleware for IMAP, SMTP, Gmail API, Graph API — built for developers
MsgViewer is email-viewer utility for .msg e-mail messages, implemented in pure Java. MsgViewer works on Windows/Linux/Mac Platforms. Also provides a java api to read mail messges (msg files) programmatically.
DavMail POP/IMAP/SMTP/CalDAV/CardDAV/LDAP Exchange and Office 365 Gateway - Synced with main subversion repository at
Freelook, an Electron-based client for Microsoft Outlook.
Eppie — open protocol encrypted p2p email
Your work, already underway. A personal AI assistant for your job: mail, chats and tickets become tasks, the agents you already use (Claude Code, Codex, Gemini) do the work, and nothing goes out until you approve. Open source, runs on your machine.
Outlook on the Desktop (OotD)
📅 Calendar link generator for popular services
Sync your Outlook and Google calendars
Reliably create beautiful Add to Calendar Buttons, where people can add events to their calendars. Without the hustle and unsupported cases.
MFCMAPI
C# Outlook MSG file reader without the need for Outlook
Message Header Analyzer Add-in For Outlook
🌌 Extend and automate Microsoft Office applications using NetOffice framework.
Simple API, Complex Emails (Jakarta Mail smtp wrapper)
A simple python library to interact with Microsoft Graph and Office 365 API
That's all 21 repositories in this period.