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ReactiveX / RxJava

RxJava – Reactive Extensions for the JVM – a library for composing asynchronous and event-based programs using observable sequences for the Java VM.

java rxjava reactive extensions jvm library

d3 / d3

A JavaScript visualization library for HTML and SVG.

javascript visualization library html svg

lodash / lodash

A JavaScript utility library delivering consistency, modularity, performance, & extras.

javascript utility library delivering consistency modularity

reactor / reactor

Now : Reactor Core 3.1.3.RELEASE - Reactor Netty 0.7.3.RELEASE - BOM : Bismuth-SR5

java reactor foundational library building reactive

chef / chef-provisioning

Deprecated - please sign up at and join #chef-provisioning

ruby library creating machines infrastructures idempotently

Netflix / Hystrix

Hystrix is a latency and fault tolerance library designed to isolate points of access to remote systems, services and 3rd party libraries, stop cascading failure and enable resilience in complex distributed systems where failure is inevitable.

java hystrix latency fault tolerance library

SuaveIO / suave

Suave is a simple web development F# library providing a lightweight web server and a set of combinators to manipulate route flow and task composition.

suave simple web development library providing

nanomsg / nanomsg

nanomsg library - latest release is 1.1.2

c nanomsg library

vavr-io / vavr

Functional component library for Java 8+.

java functional component library

quantopian / zipline

Zipline, a Pythonic Algorithmic Trading Library -

python zipline pythonic algorithmic trading library

mohiva / play-silhouette

Silhouette is an authentication library for Play Framework applications that supports several authentication methods, including OAuth1, OAuth2, OpenID, Credentials or custom authentication schemes.

scala silhouette authentication library play framework

reflux / refluxjs

A simple library for uni-directional dataflow application architecture inspired by ReactJS Flux

javascript simple library uni-directional dataflow application

petkaantonov / bluebird

Bluebird is a full featured promise library with unmatched performance.

javascript bluebird full featured promise library

bitpay / bitcore

A bitcoin library for your javascript.

javascript bitcoin library

kangax / fabric.js

Javascript Canvas Library, SVG-to-Canvas (& canvas-to-SVG) Parser

javascript canvas library svg-to-canvas canvas-to-svg parser

julien-truffaut / Monocle

Optics library for Scala:

scala optics library

PHPOffice / PHPExcel

DEPRECATED - instead go to

php pure library reading writing spreadsheet

Yonaba / Jumper

Fast, lightweight and easy-to-use pathfinding library for grid-based games

lua fast lightweight easy-to-use pathfinding library

biojs / biojs

A library of JavaScript components to represent biological data

javascript library components represent biological data

scodec / scodec

Scala combinator library for working with binary data

scala combinator library working binary data

MrSwitch / hello.js

A Javascript RESTFUL API library for connecting with OAuth2 services, such as Google+ API, Facebook Graph and Windows Live Connect

javascript restful api library connecting oauth2

nicholas-leonard / dp

A deep learning library for streamlining research and development using the Torch7 distribution.

lua deep learning library streamlining research data science

scala / slip

THIS ROOM IS NOW CLOSED. use scala/contributors, scala/center, and

scala library improvement process documents work

lihaoyi / scalatags

ScalaTags is a small XML/HTML construction library for Scala.

scala scalatags small construction library

hybridauth / hybridauth

Open source social sign on PHP Library. HybridAuth goal is to act as an abstract api between your application and various social apis and identities providers such as Facebook, Twitter and Google.

php open source social sign library

paldepind / snabbdom

A virtual DOM library with focus on simplicity, modularity, powerful features and performance.

javascript virtual dom library focus simplicity

globalize / globalize

Rails I18n de-facto standard library for ActiveRecord model/data translation.

ruby rails i18n de-facto standard library

Yonaba / 30log

30 lines library for object orientation in Lua

lua lines library object orientation

OfficeDev / ews-java-api

A java client library to access Exchange web services. The API works against Office 365 Exchange Online as well as on premises Exchange.

java client library access exchange web

Boris-Em / BEMSimpleLineGraph

iOS library to create simple line graphs/charts (charting library).

objective-c ios library create simple line

pgmpy / pgmpy

Python Library for Probabilistic Graphical Models

python library probabilistic graphical models

Yonaba / Moses

Utility library for functional programming in Lua

lua utility library functional programming