Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
Microsoft IIS - Internet Information Services is a web server for Microsoft Windows
Clever - syncing between education applications for K-12 schools
Apache HTTP Server - Apache httpd has been the most popular web server on the Internet since April 1996
Claroline - Claroline is a collaborative eLearning and eWorking platform.