Data / Repositories / Email
Email repositories on GitHub: 12 ranked by stars
12 public repositories tagged Email are on GitHub, with 27,885 stars between them; 10 had a push in the last 30 days. Most are written in Rust (3), TypeScript (3), JavaScript (2). The most starred: reacherhq/check-if-email-exists (10,135), pimalaya/himalaya (7,421), ChangemakerStudios/Papercut-SMTP (3,339).
SpecStream is the live web data engine for teams and agents. It reads open-source repositories on GitHub and keeps what it reads, and this page groups that reading by topic. Ask for the repositories you track by topic, language, license or activity, and new ones and changes arrive in your sheet, CRM, Slack or agent.
Every repository, most starred first
| Repository | What it is | Language | Stars | Forks | License | Last push | Read |
|---|---|---|---|---|---|---|---|
| reacherhq/check-if-email-exists | Check if an email address exists without sending any email, written in Rust. Comes with a HTTP backend. | Rust | 10,135 | 741 | MIT | Oct 10 | Oct 11 |
| pimalaya/himalaya | CLI to manage emails | Rust | 7,421 | 254 | Apache-2.0 | Oct 9 | Oct 11 |
| ChangemakerStudios/Papercut-SMTP | Papercut SMTP -- The Simple Desktop Email Server | C# | 3,339 | 307 | Apache-2.0 | Sep 28 | Oct 14 |
| beilunyang/moemail | A cute temporary email service built with NextJS + Cloudflare technology stack | 一个基于 NextJS + Cloudflare 技术栈构建的可爱临时邮箱服务 | TypeScript | 2,820 | 2,596 | MIT | Aug 29 | Oct 14 |
| wdhdev/free-for-life | A huge list of great stuff you can get for free! | HTML | 1,757 | 199 | MIT | Oct 10 | Oct 11 |
| marclou/mailcheap | Newsletters where you pay for the emails you send, not for dormant subscribers, at a fraction of the price of beehiiv and the like. Open source: self-host it, or use mailcheap.ai. | JavaScript | 1,285 | 327 | AGPL-3.0 | Oct 21 | Oct 21 |
| c9dev/penguin-mail | Mail and calendar for Linux and macOS. Gmail and IMAP accounts, Google Calendar, contacts, OpenPGP and S/MIME. GTK4 and libadwaita, written in Rust. | Rust | 450 | 21 | GPL-3.0 | Oct 15 | Oct 15 |
| Wh1isper/mcp-email-server | Full-featured, multi-account MCP email server for Windows, macOS, and Linux—read, search, organize, and send email via IMAP and SMTP. | Python | 360 | 134 | BSD-3-Clause | Oct 13 | Oct 14 |
| codefuturist/email-mcp | Email MCP server with full IMAP + SMTP support — read, search, send, manage, and organize email from any AI assistant via the Model Context Protocol | TypeScript | 128 | 59 | LGPL-3.0 | Oct 10 | Oct 14 |
| nikolausm/imap-mcp-server | Full-featured IMAP & SMTP email for AI assistants: search, read, send, organize and clean up multiple mailboxes, with AES-256-encrypted credentials. Works with Claude, Cursor and… | TypeScript | 109 | 57 | MIT | Oct 13 | Oct 14 |
| Shy2593666979/mcp-server-email | 一个基于 MCP (Model Context Protocol) 的邮件服务,支持 LLM 发送带附件的电子邮件及在指定目录中搜索文件。提供安全的 SMTP 传输、多收件人支持和附件模式匹配搜索功能,适用于 Gmail、Outlook、Yahoo、QQ 邮箱和网易 126 邮箱等主流邮箱服务。 | Python | 81 | 19 | MIT | Apr 27, 2025 | Oct 14 |
| zkarimi22/agentaddress-agents | Persistent webhooks, callbacks & email inboxes for AI agents — no server or account required. | JavaScript | 0 | 0 | MIT | Oct 4 | Oct 14 |
By language
- Rust 3
- TypeScript 3
Related topics
- MCP 6
- Smtp 5
- MCP server 5
- AI 3
- Model Context Protocol 3
- Rust 2
- AI agents 2
- Claude 2
- LLM 2
- TypeScript 2
- CLI 1
- Terminal 1
Read from GitHub by SpecStream between October 11, 2026 and October 21, 2026; each row shows the day its repository was read. Stars and pushes change every day, and the GitHub page is the current one. Forks and archived repositories are left out.