MySQL driver for Go's (golang) database/sql package
Community-based GPL-licensed network monitoring system
Scalable PaaS (automated Docker+nginx), aka Heroku on Steroids
Easy to use open source fast database for search
C++ parallel computing and asynchronous networking engine
Open Source Monitoring System for performance and availability.
IP Address Management - CMDB - Ticketing - DNS and Zone Management
Firewall log analyzer
Next Generation Open Source Firewall
Painel de Monitoramento em PHP/MySQL
Software for easy management of vouchers for pfSense
Zenoss - Intelligent IT Operations Management
OpenResty/Nginx Gateway for API monitoring and management
Enterprise-class, distributed monitoring solution for networks & apps
Deploy and manage containers (including Docker) on top of Apache Mesos
Database monitoring agent for zabbix
A super easy WiFi hotspot user management utility for Mikrotik router
PHP-based looking glass for Cisco, Juniper & Zebra/Quagga routers
PotHead
Open Source SIEM