LibHunt - LibHunt tracks mentions of software libraries on relevant social networks. Based on that data, you can find the most popular projects and their alternatives.
Scribeless - Handwritten mailers stand out and grab attention. Send them as easily as a email.
Ruby Toolbox - Explore and compare open source Ruby libraries
Handwrytten - Handwritten notes straight from your device. Huge selection of cards or design your own. Handwriting service integrates with 1000's of apps.
GitNews Web - Trending repositories from GitHub, HackerNews & Reddit
Fountain Greetings - Handwritten cards. Curated gifts. Right at your fingertips.