danog / MadelineProto

Async PHP client API for the telegram MTProto protocol

PHPMailer / PHPMailer

The classic email sending library for PHP

cypht-org / cypht

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

postfixadmin / postfixadmin

PostfixAdmin - web based virtual user administration interface for Postfix mail servers

hyvor / relay

📨 Open-Source Email API for Developers. Cloud & Self-hosted Alternative to SES, Mailgun, SendGrid.

xtrime-ru / TelegramApiServer

Fast, simple, async php telegram api server: MadelineProto + Amp HTTP Server

Maildun / maildun

Self-hosted email platform for teams: audiences, campaigns, transactional email, automations, and first-party engagement tracking. Laravel 13 · Inertia 3 · React 19.