GitHub is our mirror and also holds some of our code as well as our issue tracker.
Version control method of choice.
PHP is the software powering our frontend. We're rewriting it to be much cleaner, faster, and better designed.
nginx is our web server under everything. We love it.
Node.js powers some of our smaller tools.
Python powers our backend Bancho and score submission server.
MySQL is our primary database for storing scores, user data, and much more.
Redis stores user sessions and leaderboards.
Ubuntu is the operating system powering both our production server and our storage/code hosting server.
CloudFlare is a simple protection method for requests sent to our server.
We receive donations and pay for our servers and other things through PayPal.
Datadog helps us monitor users, status, and everything else.
Gogs runs lrt.pw, our code hosting site. We use this because GitHub private organizations are too expensive for our needs and we need to be able to control the code.
Discord is our primary tool of communicating with users, staff, and running integrations.
Ruby powers some of our integrations. It's simple and great to program in.
Sublime Text is a text editor some of our developers use.