webmail

Insular email distribution - mail server as Docker images

Monorepo hosting the proton web clients

Simple, modern & fast web-based email client

Disposable webmail server (similar to Mailinator) with built in SMTP, POP3, RESTful servers; no DB required.

The magma server daemon, is an encrypted email system with support for SMTP, POP, IMAP, HTTP and MOLTEN,. Additional support for DMTP and DMAP is currently in active development.

Cypht: Lightweight Open Source webmail aggregator [PHP, JS]. Supports IMAP/SMTP, JMAP and EWS (Exchange Web Services)

💌 Mail app for Nextcloud

Lightweight webmail inspired by Gmail

Self-hosted server for the ProtonMail client

AfterLogic WebMail Lite PHP. Fast and easy-to-use webmail front-end for your existing IMAP mail server, Plesk or cPanel.

An ad-hoc disposable temporary mail server. Create and use ad hoc disposable mailboxes for testing or any other purpose.

Open-source webmail script for existing IMAP server

Web based groupware server written in PHP, forum at https://help.egroupware.org/

Isotope Mail Client

poste.io mail server, but with IP management and custom webmail plugins

IMAP ➝ SQL syncing engine, JavaScript-free email client, and a Kanban-style email client

Self-hosted webmail client greatly inspired by Google Inbox

The webmail of Modoboa

The Angular implementation of Reply.

🌰️🐿️ SquirrelMail GitHub Repository (PHP 7-OK!)