An open-source, clean-room, local-first alternative to Microsoft Outlook in pure Rust
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Smtp GitHub Repositories (2026) · Open Source Tools
Discover the best Smtp open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
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45 matching projects · updated Nov 14, 2026
How we rank ↗
↑ +1 today
Mailozaurr is a PowerShell module that aims to provide SMTP, POP3, IMAP and probably some other ways to interact with Email. Underneath it uses MimeKit and MailKit libraries written by Jeffrey Stedfast.
↑ +1 today
VMime Mail Library
↑ +1 today
Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)
↑ +1 today
The classic email sending library for PHP
↑ +1 today
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