An SMTP (Simple Mail Transfer Protocol) server is an application that's primary purpose is to send, receive, and/or relay outgoing mail between email senders and receivers.

Code library for competitive programming purposes.

card.io provides fast, easy credit card scanning in mobile apps

A collection of tests that can be run on an emulator or device to verify SQLCipher for Android.

MIT Deep Learning Book in PDF format (complete and parts) by Ian Goodfellow, Yoshua Bengio and Aaron Courville