The classic email sending library for PHP
modern full-featured open source secure mail server
The fake smtp email server for development and testing
Disposable webmail server (similar to Mailinator) with built in SMTP
Web based virtual user administration interface for Postfix mail
A fully featured open source mail delivery platform for incoming
Insular email distribution - mail server as Docker images
An open-source platform for legally compliant email archiving
Mail hosting made simple
Take back control of your email with this mail server in a box
Transactional email magic link and One-Time Password (OTP)
Workspace for email, calendar, contacts and storage
Provides mechanisms for walking through any arbitrary PHP variable
Production-ready fullstack but simple mail server
I2P: End-to-End encrypted and anonymous Internet
Open source APM: OpenTelemetry traces, metrics, and logs
A fast, highly extensible, and event driven SMTP server
mailcow: dockerized
An open-source Identity and Access Management (IAM)
Community-based GPL-licensed network monitoring system
OneUptime is the complete open-source observability platform
Self-hosted, lightweight server and website monitoring and O&M tool
Monitors a distributed infrastructure and sends alerts
A fancy self-hosted monitoring tool
Matrix reference homeserver