GMapCatcher
Jul 29, 2013 - v0.8.0.4Education/Geography
XEphem
Jul 28, 2013 - v1.0.1.1Education/Astronomy
Ding (dictionary)
Jul 19, 2013 - v1.7.0.0Education/Literature
Sage
Jul 18, 2013 - v5.10.0.0Education/Math
Aladin
Jun 4, 2013 - v1.0.1.1Education/Astronomy
Circuit Simulator
May 21, 2013 - v1.0.0.0multiple/Electricity
MathPiperIDE
Unrated.
May 11, 2013 - v1.0.1.1Education/Math
jMemorize
Unrated.
May 10, 2013 - v1.0.1.1Education
GPeriodic
May 6, 2013 - v1.0.2.1Education
Xplanet 1.3.0
Feb 11, 2013 - v1.0.1.0Education/Astronomy