The Roku Ruby SDK by Brian allows to implement streaming features into OSX, Linux, and Windows applications. Project contains installation with gem, configuration with home directory, and usage with instructions to use the Roku development box.
Publr.com is a free blogging service with a few innovative features. It allows posts of various types, including your typical text, but also including maps, videos, chat transcripts, and links. Its site has a pretty good typical web interface for such things, and there are both first-party and third-party applications to use to post. Those third-party applications use the Publr API.
In a bid for a larger chunk of the unified communications market, CounterPath announced an API for its Bria for Windows communications platform. The Vancouver company produces softphones, which allow users to make Internet phone calls (think Skype and Google Voice) from a computer or a mobile device. Although a relatively small player in the market, Counterpath has a respectable 10 million downloads of its client. Its client consists of X-lite, free, and Bria for commercial use. Bria offers voice and video over fixed, mobile and WiFi networks. It's ability to automatically switch to WiFi, allows users to stay connected while saving money.