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Repositories in this selection 31 · UTC 2026-11-04
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1—Ppppscn / SmsForwarderSMS forwarder - monitor Android mobile phone text messages, incoming calls, and APP notifications, and forward them to other mobile phones according to specified rules: DingTalk group custom robots, DingTalk enterprise robots, enterprise WeChat group robots, Feishu robots, enterprise WeChat application messages, mailboxes, bark, webhook, Telegram robots, Server sauce, PushPlus, mobile SMS, etc. Including active control of the server and client, allowing you to easily send text messages remotely, check text messages, check calls, check the phone book, check battery, etc. (New in V3.0) PS. This APK is mainly for learning and personal use. If there are any bugs, please raise an ISSUE. You are also welcome to submit PRs for corrections.KotlinBSD-2-Clause · PermissiveInsufficient rank history28,7033,510——2026-11-02
2—Kknadh / listmonkHigh performance, self-hosted, newsletter and mailing list manager with a modern dashboard. Single binary app.GoAGPL-3.0 · Share derivative sourceInsufficient rank history24,1282,744——2026-11-02
3—PPHPMailer / PHPMailerThe classic email sending library for PHPPHPLGPL-2.1 · Share derivative sourceInsufficient rank history22,3439,764——2026-10-21
4—Ddocker-mailserver / docker-mailserverAuthor description: Production-ready fullstack but simple mail server (SMTP, IMAP, LDAP, Antispam, Antivirus, etc.) running inside a container.ShellMIT · PermissiveInsufficient rank history19,7182,133——2026-11-02
5—Ppostalserver / postal📮 A fully featured open source mail delivery platform for incoming & outgoing e-mailRubyMIT · PermissiveInsufficient rank history16,9181,320——2026-10-30
6—BBillionmail / BillionMailBillionMail gives you open-source MailServer, NewsLetter, Email Marketing — fully self-hosted, dev-friendly, and free from monthly fees. Join the discord: https://discord.gg/asfXzBUhZrGoAGPL-3.0 · Share derivative sourceInsufficient rank history16,1741,801——2026-06-11
7—Sstalwartlabs / stalwartAll-in-one Mail & Collaboration server. Secure, scalable and fluent in every protocol (IMAP, JMAP, SMTP, CalDAV, CardDAV, WebDAV).RustUnknown · Restricted / unknownInsufficient rank history15,6761,036——2026-11-02
8—Mmail-in-a-box / mailinaboxMail-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.PythonCC0-1.0 · PermissiveInsufficient rank history15,4541,566——2026-10-22
9—Mmailcow / mailcow-dockerizedA Docker-based email and groupware suite combining mail delivery and retrieval, spam filtering, webmail, and domain and mailbox administration.JavaScriptGPL-3.0 · Share derivative sourceInsufficient rank history13,7361,864——2026-11-01
10—MMailu / MailuInsular email distribution - mail server as Docker imagesPythonNOASSERTION · Restricted / unknownInsufficient rank history7,5991,027——2026-11-02
11—Ppimalaya / himalayaCLI to manage emailsRustApache-2.0 · PermissiveInsufficient rank history7,579264——2026-11-02
12—Jjstedfast / MailKitA cross-platform .NET library for IMAP, POP3, and SMTP.C#MIT · PermissiveInsufficient rank history6,871867——2026-11-01
13—Ssj26 / mailcatcherCatches mail and serves it through a dream.RubyMIT · PermissiveInsufficient rank history6,783605——2026-10-28
14—Mmaildev / maildev:mailbox: SMTP Server + Web Interface for viewing and testing emails during development.TypeScriptMIT · PermissiveInsufficient rank history6,156565——2026-09-24
15—Ffoxcpp / maddy✉️ Composable all-in-one mail server.GoGPL-3.0 · Share derivative sourceInsufficient rank history6,116342——2026-11-02
16—Ttwisted / twistedEvent-driven networking engine written in Python.PythonNOASSERTION · Restricted / unknownInsufficient rank history5,9981,228——2026-11-03
17—Hharaka / HarakaA fast, highly extensible, and event driven SMTP serverJavaScriptMIT · PermissiveInsufficient rank history5,633720——2026-11-03
18—Pprojectdiscovery / interactshAn OOB interaction gathering server and client libraryGoMIT · PermissiveInsufficient rank history4,614489——2026-11-02
19—Nneomutt / neomutt✉️ Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.libera.chatCGPL-2.0 · Share derivative sourceInsufficient rank history3,860354——2026-11-02
20—Ttarunkant / GopherusThis tool generates gopher link for exploiting SSRF and gaining RCE in various serversPythonMIT · PermissiveInsufficient rank history3,432402——2023-04-18
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