Computation using data flow graphs for scalable machine learning

scikit-learn: machine learning in Python

Caffe: a fast open framework for deep learning.

PredictionIO, a machine learning server for developers and ML engineers. Built on Apache Spark, HBase and Spray.

[UNMAINTAINED] Neural networks in JavaScript

Deep Learning library for Python. Convnets, recurrent neural networks, and more. Runs on Theano and TensorFlow.

Computational Network Toolkit (CNTK)

Deep Learning in Javascript. Train Convolutional Neural Networks (or ordinary ones) in your browser.

Web mining module for Python, with tools for scraping, natural language processing, machine learning, network analysis and visualization.

Numenta Platform for Intelligent Computing: a brain-inspired machine intelligence platform, and biologically accurate neural network based on cortical learning algorithms.

Theano is a Python library that allows you to define, optimize, and evaluate mathematical expressions involving multi-dimensional arrays efficiently. It can use GPUs and perform efficient symbolic differentiation.

Vowpal Wabbit is a machine learning system which pushes the frontier of machine learning with techniques such as online, hashing, allreduce, reductions, learning2search, active, and interactive learning.

Game written in Ruby for learning Ruby and artificial intelligence.

Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Go, Javascript and more

Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Flink and DataFlow

Machine Learning for Go

Code accompanying the book "Machine Learning for Hackers"

h2o = fast statistical, machine learning & math runtime for bigdata

Fast, scalable, easy-to-use Python based Deep Learning Framework by Nervana™

Simple real-time large-scale machine learning infrastructure.

The Shogun Machine Learning Toolbox (Source Code)

Homomorphic machine learning

Fast multilayer perceptron neural network library for iOS and Mac OS X

Mirror of Apache Mahout

Enterprise machine learning platform for prediction and recommendation on Apache Spark.

Framework and Library for Distributed Online Machine Learning

Flexible and Extensible Machine Learning in Ruby