M.If you're sick of Amazon and need a bookstore alternative betterworldbooks.com sells used books for 1/3 the price, carbon offsets shipping, and donates to literacy programs for kids.
Jonkman Microblog is a social network, courtesy of SOBAC Microcomputer Services. It runs on GNU social, version 1.2.0-beta5, available under the GNU Affero General Public License.
All Jonkman Microblog content and data are available under the Creative Commons Attribution 3.0 license.