JOSM
Unrated.
Jan 14, 2013 - v0.5608.1.testedEducation/Geography
JRPG - Learn to read Japanese
May 1, 2016 - v0.4.0.2016Education/Languages
MathPiperIDE
Unrated.
May 11, 2013 - v1.0.1.1Education/Math
Merkaartor
Apr 22, 2011 - v0.17.0.1Education/Geography
modRana
Aug 1, 2014 - v0.45.3.3Education
Night Vision 3.0
Mar 21, 2012 - v3.0.1.1Education/Astronomy
Sage
Jul 18, 2013 - v5.10.0.0Education/Math
Stellarium
Mar 24, 2015 - v0.10.5.01Education/Astronomy
Tagaini Jisho
May 13, 2017 - v1.0.90.02Education
Tux4Kids
Apr 20, 2011 - v1.0.0.1multiple/multiple