The Amazon S3 Java toolkit by Amazon aims to simplify interaction with Amazon S3, part of Amazon Web Services. It also works with Amazon CloudFront. This library has been designed to interact with the API, that offers the features of storage, cloud, data backup, and disaster recovery. Available for download. The repository JetS3t for developers is an open source site for Amazon Simple Storage Service (S3).
Cloud-based telephony service Twilio helps you build any telephony-based app you would need. You could build anything from a simple call reminder service to a complete phone-based interaction system for your app through Twilio's API. And now the company has added a bunch of new features.