# open source
Open Source Mail Server Maddy Deployment Tutorial
An open source mail server Maddy, written entirely in Go language, lightweight and easy to use.
Open Source Mail System RainLoop Webmail Deployment Tutorial｜WSL Environment
If we want to build a personal email server, RainLoop Webmail is recommended. According to the official website, this is a simple, modern and fast web-based email client.
Open Source IM System Tinode Deployment Tutorial｜WSL Environment
To deploy an IM system locally, select tinode. In order to facilitate the startup of the backend, we use the WSL environment and install the database with docker to start the IM application.