Ranked in these QuestionsQuestion Ranking
Pro Very compatible with Linux
The N900 comes with Maemo 5 installed which is a Linux distribution. There are also some Debian versions that work on this phone.
Pro Has a physical keyboard
The N900 has a physical keyboard that can be opened by sliding the screen up or down from the side.
The N900 was first released in 2009 and it shows. The hardware is outdated (256MB RAM for example) and there are no more software updates being released.