Education 3w6h

Astronomy 2j6g5f

• Celestia Portable - portable space simulator
• Stellarium Portable - portable planetarium

Auditory 5x2u62

• Solfege Portable - ear training program

Dictionaries and Thesauruses 2d3c5a

• Artha Portable - offline thesaurus
• GoldenDict Portable - dictionary and encyclopedia lookups

Geography 274s

• Marble Portable - virtual globe and atlas

Genealogy 1v3e2n

• Gramps Portable - genealogical research software

Memorization / Memory Improvement 331a6i

• Brain Workshop Portable - dual n-back brain trainer
• Mnemosyne Portable - flashcard memorization tool

Religion 6p1e17

• BPBible Portable - bible study tool

Technical Computing p2r4p

• FreeMat Portable - scientific prototyping and technical computing

Typing 694a2p

• TIPP10 Portable - touch typing tutor
• TypeFaster Portable - touch typing tutor