Open source Slack-alternative in Golang and React - Mattermost
Scalable datastore for metrics, events, and real-time analytics
Pterodactyl is the open-source game server management panel built with PHP7, Nodejs, and Go. Designed with security in mind, Pterodactyl runs all game servers in isolated Docker containers while exposing a beautiful and intuitive UI to administrators and users.
An accounting web application to track personal finances written in Go and React/Bootstrap
Open Source CRM and Sales Enablement