# stalwartlabs/stalwart > Stalwart is an open-source mail and collaboration server written in Rust with support for JMAP, IMAP4, POP3, SMTP, CalDAV, CardDAV and WebDAV. It is designed for self-hosted email, calendars, contacts and file storage with built-in spam and phishing protection. - Magnitude: 2.2 out of 10 — Steady - Stars: 15,255 total · +3 stars measured 2026-10-23, 11:07–13:32 UTC, ≈ 11 by evening - Star trust: star growth looks organic - Category: Productivity & self-hosted · Language: Rust · Created: 2023-03-06 · Last push: 2026-10-20 - GitHub: https://github.com/stalwartlabs/stalwart · Homepage: https://stalw.art · Page: https://gitnova.dev/en/r/stalwartlabs/stalwart ## Why it’s here - Star-counter measurements on 2026-10-23 (UTC), 11:07–13:32: 15252 → 15255 stars (+3). This is the change over that interval. - Estimated end-of-day forecast: about +11 stars, using observed gains and the previous day. - GitHub Trending Rust today: #10, +27 stars. ## Star trust Star growth looks organic. Star-trust labels are heuristics based on the repository’s behavior, not a check of every stargazer. ## Numbers - Forks: 1,010 - Issues and pull requests: 1,680 - Watchers: 85 - Average over the last week: 19 per day - Usual pace: 17 per day - Stars in the last hour (measured): 3 - Latest release: v0.16.27 (2026-10-18) ## Stars per day, last 30 days (oldest → newest, today is partial) 2026-09-24 … 2026-10-23: 16, 19, 10, 16, 26, 15, 8, 14, 15, 14, 20, 21, 9, 7, 17, 12, 13, 19, 34, 14, 22, 14, 11, 12, 12, 22, 19, 24, 34, 3 ## Spotted in now - GitHub Trending Rust today: #10, +27 stars ## Similar by description 1. **Mailu/Mailu** — 1.1 · Steady · DevOps & infrastructure · Python · +0 stars measured 2026-10-23, 11:07–13:29 UTC, ≈ 1 by evening Mailu is a full-featured mail server distributed as a set of Docker images. It provides IMAP/SMTP, webmail, antispam, and security without proprietary components. Full card: https://gitnova.dev/en/r/Mailu/Mailu.md 2. **CasvanLeijden/Schrift** — 0.0 · Quiet · Python · Not enough measurements today Self-hosted Markdown notes, wiki and tasks with CalDAV and an MCP server Full card: https://gitnova.dev/en/r/CasvanLeijden/Schrift.md 3. **Fatima19101/imap-mcp-server** — 0.0 · Quiet · TypeScript · Not enough measurements today 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 any MCP client. Full card: https://gitnova.dev/en/r/Fatima19101/imap-mcp-server.md 4. **SirLouen/pecl-mail-imap** — 0.0 · Steady · Backend & databases · C · Not enough measurements today A maintained fork of the PHP IMAP extension, which was removed from PHP after 8.3. It provides functions to work with IMAP, NNTP, POP3 and local mailboxes. Full card: https://gitnova.dev/en/r/SirLouen/pecl-mail-imap.md 5. **mailcow/mailcow-dockerized** — 1.7 · Steady · Productivity & self-hosted · JavaScript · +0 stars measured 2026-10-23, 11:16–13:25 UTC, ≈ 2 by evening A full mail server stack in Docker: Postfix, Dovecot, SOGo, Rspamd plus a web UI for managing domains, mailboxes and spam filtering. Self-hosted alternative to external mail providers. Full card: https://gitnova.dev/en/r/mailcow/mailcow-dockerized.md --- Magnitude (0–10) measures how fast and how unusually interest in a repository is growing right now. It is not a quality score. Days are UTC. “So far today” is a fact; “expected by the end of the day” is a forecast. Summaries and use cases are written by an LLM (DeepSeek V4.1 Flash) from the README and may be inaccurate: verify specific claims (benchmarks, speed, hardware) in the repository itself. Data as of 2026-10-23 13:33 UTC, updated every 30 minutes.