OWASP Coraza WAF is a golang modsecurity compatible firewall library
Pure Java Network Tools
Multiple server/webapp vulnerability scanner
Pinger alert, STATICTICAL TABLES, send EMAILs or SMS by SMS GATEWAY
Complemento is a collection of tools for pentesters.
Various TCP/IP servers, clients and network management tools
a web based audioplayer
QR code reader/scanner/generator
Utility to scan unwanted files (scam and others) on webhost or alike