A proxy site with some quick tools. Daily traffic is around 10k pageviews. Monthly revenue is around $500.
Get in touch with the owner to discuss the tech stack, market size, or just make an offer!
A quick way to determine your browser's hash rate power. Used like www.whatismyipaddress.com. Earn Monero (XMR) as users test their hash rate. Leaderboard provides advertising to encourage people to hash longer.
Twitter bot that tweets future bitcoin value predictions. Whole algorithm + Twitter page.
Get Better Luck is a job aggregator with simple, yet powerful filters.