The Activeledger NodeJS SDK provides a distributed ledger layer capable of modernizing legacy systems. Activeledger features Activity Streaming which can handle multiple transactions at the same time without increasing costs. The latest version is 1.2.2.
Play2Shop aims to be the "Ebates with Entertainment and Engagement." Play2Shop rewards gamers with points and pays shoppers with cash back that can both be used for discounts at over 1,000 retail partners. Additionally, the Play2Shop API enables game developers to join the Play2Shop community regardless of platform.
Here's a novel concept to encourage open government applications: pay your best developers. Apparently that's exactly what the UK's Office of Public Sector Information would like to do now that it has launched Data.gov.uk.