Firebase gives you functionality like analytics, databases, messaging and crash reporting so you can move quickly and focus on your users. Firebase is tested and trusted by major companies due to it being run by google.
Conceal provides a set of Java APIs to perform cryptography on Android. Conceal was designed to be able to encrypt large files on disk in a fast and memory efficient manner. The major target for this project is typical Android devices which run old Android versions, have low memory and slower processors.
login-with-amazon-sdk lets customers log in to your site or app in just a few clicks using their Amazon accounts. With login-with-amazon-sdk, you can leverage a brand customers trust while getting data like name, email address, and zip code to build a more personalized experience.
Sinch offers a platform for phone number verification. Sinch consists of different software development kits – the Sinch SDKs – that you integrate with your smartphone or web application and cloud based back-end services. Together, they enable SMS and Flash Call verification in your application.