Languages
Language learning software is definitely helpful, and a lot of people have already improved their skills and vocabulary with such software. If that's what you have been looking for - take a look at applications from this category and download instantly.
spelr
Type International Characters
Itranslator 99
BanglaDictionary
SpanishUno
Magic Mnemonic
Phonetizer
Windows Mail Restore Tool
Translation Wizard
ReadWrite Chinese (Simplified)
TOEFL iBT Reading Conqueror
Vokabel
Byki Express
Han Trainer Pro
Oriya Indic Input 2
Buensoft Spanish
pfQuizzz
Declan's German FlashCards
My Translator
Morse Code - Learn and Translate
StarDict
GNU Aspell
Talking Dictionary
Chinese Character Bible
Longman Pronunciation Dictionary
Unicode Keyboard
ez speak
Punjabi Kosh
Discover FDM
Add-on support
You can get add-ons that download files/video from arbitrary websites.