Alternatives

revised : January 2015

Airbnb (Accommodation)
https://www.airbnb.com/

Bitcoin (Virtual Currency)
http://www.bitcoin.org/

Flattr (Social Micropayments)
https://flattr.com/

Kickstarter (Financing Projects)
https://www.kickstarter.com/

Uber (Rideshare)
https://www.uber.com/

UltraSurf (Protect Privacy, Security and Freedom on the Net)
http://ultrasurf.us/

Whole Earth Catalog
http://www.wholeearth.com/index.php