pg_activity is a top like application for PostgreSQL server activity
A performance dashboard for Postgres
Coroutine-based concurrency library for PHP
Laravel Pulse is a real-time application performance monitoring tool
Maps an HTTP request to a set of configuration variables
APM, (Application Performance Management) tool
Application Performance Monitoring System
The Java agent for Apache SkyWalking
OWASP Coraza WAF is a golang modsecurity compatible firewall library
Easy to use open source fast database for search
A Java based fault and performance management system
CacheGuard Gateway is a UTM, a WAF, and a QoS management appliance.
Firewall log analyzer
Open Source Monitoring System for performance and availability.
SkyWalking RocketBot UI
Enterprise-class, distributed monitoring solution for networks & apps
trace for PHP
Fast request router for PHP
Monitoring of websites with spider and email notifications
Simple remote host's ports scanner web app.
Two-factor authentication system