| Project Name | Stars | Downloads | Repos Using This | Packages Using This | Most Recent Commit | Total Releases | Latest Release | Open Issues | License | Language |
|---|---|---|---|---|---|---|---|---|---|---|
| PHPMailer/PHPMailer | 20,244 | 5,464 | 1,082 | about 2 years ago | 69 | November 25, 2023 | 46 | lgpl-2.1 | PHP | |
| The classic email sending library for PHP | ||||||||||
| nodemailer/nodemailer | 16,108 | 50,957 | 6,253 | over 2 years ago | 263 | October 22, 2023 | 9 | other | JavaScript | |
| ✉️ Send e-mails with Node.JS – easy as cake! | ||||||||||
| Foundry376/Mailspring | 14,777 | 0 | 0 | over 2 years ago | 0 | 8 | gpl-3.0 | C | ||
| :love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux. | ||||||||||
| mail-in-a-box/mailinabox | 13,020 | 0 | 0 | over 2 years ago | 0 | 543 | cc0-1.0 | Python | ||
| Mail-in-a-Box helps individuals take back control of their email by defining a one-click, easy-to-deploy SMTP+everything else server: a mail server in a box. | ||||||||||
| megadose/holehe | 5,994 | 0 | 0 | over 2 years ago | 205 | July 21, 2022 | 20 | gpl-3.0 | Python | |
| holehe allows you to check if the mail is used on different sites like twitter, instagram and will retrieve information on sites with the forgotten password function. | ||||||||||
| Mailu/Mailu | 5,183 | 0 | 0 | about 2 years ago | 0 | 120 | other | Python | ||
| Insular email distribution - mail server as Docker images | ||||||||||
| foxcpp/maddy | 4,501 | 0 | 1 | about 2 years ago | 42 | May 29, 2023 | 86 | gpl-3.0 | Go | |
| ✉️ Composable all-in-one mail server. | ||||||||||
| RainLoop/rainloop-webmail | 4,020 | 0 | 0 | about 2 years ago | 0 | 934 | mit | PHP | ||
| Simple, modern & fast web-based email client | ||||||||||
| ryanb/letter_opener | 3,630 | 13,302 | 81 | about 2 years ago | 16 | March 19, 2022 | 1 | mit | Ruby | |
| Preview mail in the browser instead of sending. | ||||||||||
| mikel/mail | 3,566 | 481,411 | 636 | over 2 years ago | 94 | February 03, 2023 | 157 | mit | Ruby | |
| A Really Ruby Mail Library | ||||||||||