Apache Tomcat - An open source software implementation of the Java Servlet and JavaServer Pages technologies
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
nginx - A high performance free open source web server powering busiest sites on the Internet.
Standard Notes - A safe place for your notes, thoughts, and life's work
vCenter Server - IaaS platform for managing and deploying virtual machines
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.