WhatsOnMyBookshelf

WhatsOnMyBookshelf, a book trading community, allows members to exchange their books using a simple…

Amazon

Online shopping from the earth’s biggest selection of books, magazines, music, DVDs, videos, electronics, computers, software, apparel & accessories, shoes, jewelry, tools & hardware, housewares, furniture, sporting goods, beauty & much more

BookMooch

BookMooch is a community for exchanging used books.

HumHub

HumHub is a free social network software and framework built to give you the tools to make teamwork easy and successful.

PaperBackSwap

We help avid readers Swap, Trade & Exchange Books for Free.

Plane

The social icebreaker. Connect with new people in new places

SLOWLY

Make pen pals from your smartphone