http://hscsl.net - if you are interested in signing up.
Full stack Counter-Strike Pick Up Game Client - made with NodeJs, Express and Electron, integrated with DatHost's API and Splewis' Get5 interface for setting up automatic matchmaking with servers hosted on Dathost.
This client was made for HSCSL - a New Zealand High School Counter-Strike League as an alternative to LPL's High School League which is based around the game League of Legends.