SmallDevTools - Handy developer tools with a delightful interface
Lumeos - Earn money for answering surveys, on the Blockchain
LaunchKit - Open Source - A popular suite of developer tools, now 100% open source.
Wedgies - Realtime polling over social media
Profitable developer tools database - A database of 103+ hand-curated profitable developer tools
My Motiff - Allowing you to stay connected in realtime