Built by Sam Symons, this Ruby Gem to the Reddit API is free for developers to integrate into Ruby applications without restrictions. Using this interface, developers can programmatically access the functionality of Reddit.com. The project is well documented with code examples on writing tests, debugging, pagination, authentication, and more. The gem is constructed similarly to the Octokit.rb (a Ruby toolkit for the GitHub API) and some Twitter ruby gems.
In support of the upcoming deprecation of Hashtag Search via the Instagram Platform API, Instagram announced the release of similar functionality for the Instagram Graph API. The new Graph API feature will still provide businesses the same basic functionality, but Instagram is imposing limitations.
Facebook has released an open source version of Hack, a programming language developed by Facebook that targets HipHop Virtual Machine (HHVM) and is designed to interoperate seamlessly with PHP. Hack was built to maintain the fast PHP development cycle while allowing for addition of features available in other modern programming languages.