Drip by Kickstarter - A new way to back creators. A Patreon competitor.
Marketing Examples - A gallery of real world marketing case studies. Updated every day.
Apprecia - Send and receive appreciations that last forever
Growth.Design Case Studies - Product tips… in a comic book format
Evabot for Slack - Send coffee/beer as an appreciation gift to colleagues
Brainiac - Database of 150 cognitive biases that control our decisions