Alerts you when you're on VPN for too long.
Grab an binary executable for your OS from Releases
Or, if you have Go:
git clone https://github.com/peteretelej/vpn-timer.git
cd vpn-timer
go install
Run vpn-timer while specifying the VPN IP (see ifconfig.co, and optionally you can specify the time limit you want eg 10m,1h,2h30m (default 30m)
vpn-timer -ip 123.45.67.89
# specify the VPN public IP so that it can be monitored
# by default uses a time limit of 30min
vpn-timer -ip 123.45.67.89 -limit 1h
# send notifications after an hour
