Development IDE & SDK/JDK:
NetBeans
Eclipse
Android
Arduino
Java
Server:
Glassfish
Subversion:
VisualSVN Server
Subclipse – Subversion plugin for Eclipse
Continuous Integration Server:
Jenkin
Hudson
TeamCity
OOAD & UML:
Sparx Systems Forum
Sparx – Resources
EXploring EA
Sparx Systems Enterprise Architect, UML, SysML, Code and more
Electronics:
Arduino
Lantronix
Digi
RESTful:
RESTClient 2.4 GUI: Executable Jar