Go · npm92Excellenthealth index

floatpane/matchaA beautiful and functional email client for your terminal, built with Go and the charming Bubble Tea TUI library. Never leave your command line to check your inbox or send an email again!
Go · C★ 1,087Sep 6, 2026
NuGet · Maven · npm91Excellenthealth index
C#★ 933Aug 22, 2026
npm88Excellenthealth index
TypeScript★ 111↓ 171.6K/moJul 16, 2026
crates.io88Excellenthealth index

stalwartlabs/stalwartAll-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).
Rust★ 14.4KAug 27, 2026
npm87Excellenthealth index
JavaScript · Pug★ 1,668Sep 6, 2026
RubyGems87Excellenthealth index
Ruby★ 28Jul 27, 2026
PyPI86Excellenthealth index

SpamScope/mail-parserA tool that parses emails by enhancing the Python standard library, extracting all details into a comprehensive object.
Python★ 455↓ 3.3M/moAug 22, 2026
Packagist84Excellenthealth index

nette/mailA handy library for creating and sending emails in PHP
PHP★ 493↓ 120.7K/moAug 22, 2026
NuGet83Excellenthealth index
C#★ 6,842Aug 22, 2026
Packagist81Excellenthealth index
PHP★ 559↓ 43.8K/moJul 20, 2026
Go81Excellenthealth index
Go★ 518Jul 23, 2026
RubyGems81Excellenthealth index

postalserver/postal📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail
Ruby · Haml★ 16.7KAug 5, 2026
Packagist80Excellenthealth index
PHP★ 60↓ 50.6K/moSep 5, 2026
RubyGems80Excellenthealth index
sisimai/rb-SisimaiMail Analyzing Interface for email bounce: A Ruby library to parse RFC5322 bounce mails and generating structured data as JSON from parsed results. Ruby version of Sisimai: an error mail analyzer.
Ruby★ 90Jul 17, 2026
Packagist78Goodhealth index
PHP★ 30↓ 6,823/moJul 16, 2026
Packagist · npm78Goodhealth index
PHP★ 164↓ 10.4K/moSep 5, 2026
Go★ 43Jul 17, 2026
crates.io78Goodhealth index
Rust★ 126↓ 27.3K/moAug 22, 2026

RohanNagar/jmailA modern and lightweight library for working with email addresses in Java
Java★ 192Aug 28, 2026
Packagist · npm77Goodhealth index
PHP · Blade★ 485↓ 41.8K/moJul 20, 2026
Go · npm77Goodhealth index
Go · Svelte★ 814Jul 20, 2026
TypeScript★ 60↓ 2,797/moJul 21, 2026
Java★ 6Aug 28, 2026
Packagist77Goodhealth index
PHP★ 549↓ 1.4M/moJul 24, 2026
sisimai/go-sisimaiSisimai is a library provided as a Go package that decodes various formats of bounce emails and outputs structured data necessary for analysis, such as destination addresses and bounce reasons.
Go★ 42Jul 21, 2026
crates.io75Goodhealth index
Rust★ 455↓ 419.9K/moAug 23, 2026
TypeScript · MDX★ 2↓ 3,568/moAug 3, 2026
C#★ 73Jul 23, 2026
dahlia/upyoUpyo is a simple and cross-runtime library for sending email messages using SMTP and various email providers. It works on Node.js, Deno, Bun, and edge functions.
TypeScript★ 555Jul 20, 2026
JavaScript★ 34↓ 2,663/moAug 4, 2026