Wikipedia: The Ultimate Crowdsourced Knowledge Tool
“Wikipedia is a free online encyclopedia, created and edited by volunteers around the world”
non-profit
Crisis Text Line: Saving Lives Through Data
Non-profits aren’t known for being particularly data-driven. Crisis Text Line, however, views itself as a tech company first, helping folks with mental health challenges; it just so happens to be a non-profit. It has now amassed the most comprehensive real-time mental health data set to date.[1]
Wikipedia: tapping into the world’s knowledge (and free time)
Wikipedia has seen incredible growth, ballooning to over 5.3M articles on English Wikipedia alone and 284 active language-specific Wikipedias; it has also done this while being primarily written by volunteers and funded by individual donations.
Kiva: A crowdlending twist on traditional microfinance
Kiva utilizes an innovative peer-to-peer crowdlending platform to enable budding entrepreneurs across the globe to access the funds they need to help themselves out of poverty.