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Repositories in this selection 21 · UTC 2026-11-04
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1—Ssansan0 / TrendRadar⭐AI-driven public opinion & trend monitor with multi-platform aggregation, RSS, and smart alerts.🎯 Say goodbye to information overload with your AI public opinion monitoring assistant and hotspot filtering tool! Aggregates multi-platform hotspots + RSS subscriptions to support precise keyword filtering. AI intelligent news screening + AI translation + AI analysis briefings are pushed directly to mobile phones. It also supports access to the MCP architecture, empowering AI natural language dialogue analysis, emotional insights and trend predictions, etc. Support Docker, data is self-sustained locally/in the cloud. Integrate intelligent push via channels such as WeChat/Feishu/DingTalk/Telegram/Mail/ntfy/bark/slack.PythonGPL-3.0 · Share derivative sourceInsufficient rank history63,36624,923——2026-10-29
2—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
3—FFoundry376 / Mailspring:love_letter: A beautiful, fast and fully open source mail client for Mac, Windows and Linux.TypeScriptGPL-3.0 · Share derivative sourceInsufficient rank history17,9911,065——2026-11-02
4—Ppostalserver / postal📮 A fully featured open source mail delivery platform for incoming & outgoing e-mailRubyMIT · PermissiveInsufficient rank history16,9181,320——2026-10-30
5—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
6—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
7—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
8—Mmaillab / cloud-mailAn all-in-one email service platform powered by Cloudflare | One-stop email service platform based on Cloudflare | Cloudflare Email MailJavaScriptMIT · PermissiveInsufficient rank history15,34823,084——2026-10-25
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—Ssj26 / mailcatcherCatches mail and serves it through a dream.RubyMIT · PermissiveInsufficient rank history6,783605——2026-10-28
12—Kkoishijs / koishiCross-platform chatbot framework made with loveTypeScriptMIT · PermissiveInsufficient rank history6,312360——2026-10-08
13—Ffoxcpp / maddy✉️ Composable all-in-one mail server.GoGPL-3.0 · Share derivative sourceInsufficient rank history6,116342——2026-11-02
14—Rrememberber / WePushA small and beautiful tool focused on batch push. It currently supports: template message-official account, template message-mini program, WeChat customer service message, WeChat enterprise account/enterprise WeChat message, Alibaba Cloud SMS, Alibaba template SMS, Tencent Cloud SMS, Yunpian.com SMS, E-Mail, HTTP request, DingTalk, Huawei Cloud SMS, Baidu Cloud SMS, Youpai Cloud SMS, Qiniu Cloud SMSJavaMIT · PermissiveInsufficient rank history4,6911,015——2026-10-04
15—Ooblac / joddJodd! Lightweight. Java. Zero dependencies. Use what you like.JavaBSD-2-Clause · PermissiveInsufficient rank history4,043711——2024-04-15
16—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
17—Rrustmailer / bichonBichon – A lightweight, high-performance Rust email archiver with WebUIRustAGPL-3.0 · Share derivative sourceInsufficient rank history2,06691——2026-11-02
18—Fforwardemail / forwardemail.netPrivacy-focused encrypted email for everyone. All-in-one alternative to Gmail + Mailchimp + Sendgrid.JavaScriptNOASSERTION · Restricted / unknownInsufficient rank history1,702206——2026-11-03
19—Bbulwarkmail / webmailSelf-hosted JMAP webmail for Stalwart Mail Server. Mail, calendar, contacts, and files in one client.TypeScriptNOASSERTION · Restricted / unknownInsufficient rank history1,420256——2026-11-01
20—Ddovecot / coreDovecot mail serverCNOASSERTION · Restricted / unknownInsufficient rank history1,278365——2026-11-03
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