UXTesting - Discover how your mobile users feel
Wikiquote - A free quote database built collaboratively using Wiki software, a sister project to Wikipedia.
Startup Timelines - How the frontpages of famous startups changed over time
Quotefancy - Quotefancy is on a mission of turning inspiring quotes into beautiful wallpapers.
Laws of UX - Key maxims that designers must consider when building UX
Brainyquote - Database of quotations by topic or author.