WPMeteor - WordPress service marketplace.
Omni Calculator - Helping you make rational decisions, one calculation at a time.
Envato - Join millions and bring your ideas and projects to life with Envato - the world's leading marketplace and community for creative assets and creative people.
Bootstrap Money - How much money can you make selling software?
zhaket - Marketplace for wordpress theme and plugin
MAKE Book - Learn to bootstrap profitable startups the 👨🎤indie way