Payara Server - Payara Server is a fully supported, developer-friendly, open source application server. Innovative, cloud-native, optimized for production deployments. Jakarta EE & MicroProfile compatible.
LinkedIn Recruiter - LinkedIn Recruiter is a recruiting tool to hire talent from LinkedIn.
JBoss - JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server.
Lever - A modern web app for hiring. Lever is a simple, powerful way to manage lists of candidates during the hiring process.
Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Greenhouse - Greenhouse Software makes companies great at hiring.