TensorFlow

Software library for numerical computation using data flow graphs. Nodes in the graph represent mathematical operations, while the graph edges represent the multidimensional data arrays (tensors) communicated between them.

Learn more

First released	2015
Developed by	Google Brain Team within Google's Machine Intelligence research organization
Open-source	Yes
Used by	SAP, Airbnb, SAP, Uber, Ebay

Interesting facts

Ten years ago, they announced the launch of Google Translate, together with the use of Phrase-Based Machine Translation as the key algorithm behind this service.