Khan Akadeemia
4,3 / 5 tärni (põhineb 3-l arvustusel)
Khan Academy is an American non-profit educational organization created in 2008 by Salman Khan,
Silt: haridus
TROM
4,8 tärni 5-st (4 arvustuse põhjal)
TROM is a project that aims to showcase in detail the root cause of most of today’s problems
Vikipeedia
5,0 tärni 5-st (2 arvustuse põhjal)
Wikipedia is a multilingual online encyclopedia created and maintained as an open collaboration