Online Tools

Password Generator: https://passwrd.in  Modemly : Find the default password of the routers

Linux VPS Benchmark

https://bench.monster/ 
curl -LsO bench.monster/speedtest.sh; bash speedtest.sh
curl -LsO bench.monster/speedtest.sh; bash speedtest.sh -asia yabs.sh 
curl -sL yabs.sh | bash  bench.sh 
wget -qO- bench.sh | bash

 DNS

DNS Check DNSChecker

Network Troubleshoot

Port Forwarding Tester  Ping.pe