Haproxy - Reliable, High Performance TCP/HTTP Load Balancer
Padlet - Visual boards for organizing anything.
node-http-proxy - A full-featured http proxy for node.js. Contribute to http-party/node-http-proxy development by creating an account on GitHub.
Quizalize - Quizalize is a leading web-based and mobile-based classroom application that delivers the best and easiest way to differentiates your teaching.
Traefik - Load Balancer / Reverse Proxy
BookWidgets - BookWidgets is an excellent application that let you create engaging exercises in minutes and easily share a varied variety of beautiful and fun activities with your classroom and others.