The Apache Kafka Ruby SDK by Bob Potter allows developers to integrate the Apache Kafka APIs into their Ruby applications. This SDK is compatible with Apache Kafka v0.8+.
This SDK is not currently maintained.
Last year Dropbox announced a preview of the new Dropbox API v2. The new version simplified the Dropbox developer experience. In hopes to move toward a more simplified platform, Dropbox also announced deprecation of its Sync and Datastore APIs.
Motwin releases Streamdata.io, a proxy as a service, that converts standard polling APIs into streaming through cloud service, without the need for server development.
Appy Pie, cloud based mobile apps builder, continues to add to its list of supported APIs. Its latest additions include some of the most prevalent names in image sharing: Facebook, Flickr, Pinterest, Picassa and Instagram. The image newcomers to the Appy Pie portfolio allow developers to share images in realtime with users.