- [Dovecot](https://www.dovecot.org/) - IMAP and POP3 server written primarily with security in mind. ([Source Code](https://github.com/dovecot/core)) `MIT/LGPL-2.1``C/deb`
- [MailForm](https://github.com/Feuerhamster/mailform) - Lightweight self-hosted email service for contact forms and more (alternative to Formspree and SendGrid). `Apache-2.0``Nodejs/Docker`
- [Stalwart JMAP](https://stalw.art/jmap) - JMAP and IMAP server designed to be secure, fast, robust and scalable. ([Source Code](https://github.com/stalwartlabs/jmap-server)) `AGPL-3.0``Rust/Docker`
@ -931,7 +930,6 @@ Simplified file servers for sharing of one-time/short-lived/temporary files, pro
- [GoSƐ](https://github.com/stv0g/gose) - GoSƐ is a modern file-uploader focusing on scalability and simplicity. It only depends on a S3 storage backend and hence scales horizontally without the need for additional databases or caches. ([Demo](https://gose.0l.de)) `Apache-2.0``Go/Docker`
- [OnionShare](https://github.com/onionshare/onionshare) - Securely and anonymously share a file of any size. `GPL-2.0``Python/deb`
- [Pairdrop](https://github.com/schlagmichdoch/pairdrop) - Local file sharing in your browser, inspired by Apple's AirDrop (fork of Snapdrop). `GPL-3.0``Docker`
- [PicoShare](https://pico.rocks) - A minimalist, easy-to-host service for sharing images and other files. ([Demo](https://demo.pico.rocks), [Source Code](https://github.com/mtlynch/picoshare)) `AGPL-3.0``Go/Docker`
- [Picsur](https://github.com/CaramelFur/Picsur) - A simple imaging hosting playtfom that allows you to easily host, edit, and share images. `GPL-3.0``Docker`
- [PictShare](https://www.pictshare.net/) - PictShare is a multi lingual, open source image hosting service with a simple resizing and upload API. ([Source Code](https://github.com/HaschekSolutions/pictshare)) `Apache-2.0``PHP/Docker`