BackYourStack: Discover the Open Source projects you are using and need financial support.

Babel

Babel is a compiler for writing next generation JavaScript

Used in:
emitter, react, react-devtools and 19 others

Backers:
Facebook Open Source ($11,000 since Oct 2017). Also: trivago ($24K), Adobe ($12K), Airbnb ($9K) and 6 others

Yearly budget: $147,703 USD

41% progress to reach their next goal:
1 Full Time Maintainer

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Jest

🃏Delightful JavaScript Testing

Used in:
emitter, react, react-devtools and 16 others

Backers:
Facebook Open Source ($4,000 since May 2018). Also: Airbnb ($88), CodePilot.ai ($50), HostPresto ($4)

Yearly budget: $23,398 USD

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GulpJS

The streaming build system.

Used in:
emitter, puewue-frontend, immutable-js and 4 others

Backers:
Sticker Mule ($2K), Craft CMS ($2K), clay ($2K) and 7 others

Yearly budget: $20,915 USD

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Rollup

The JavaScript module bundler

Used in:
react, jest, immutable-js and 2 others

Backers:
Facebook Open Source ($1,750 since Feb 2018). Also: Algolia ($1K), Mixmax ($800), AMP Project ($700) and 4 others

Yearly budget: $9,729 USD

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webpack

webpack is THE build solution for modern web applications.

Used in:
react-devtools, flux, relay and 2 others

Backers:
Facebook Open Source ($11,000 since Oct 2017). Also: trivago ($120K), ag-Grid ($45K), Airbnb ($12K) and 6 others

Yearly budget: $330,604 USD

5% progress to reach their next goal:
50% Payouts

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MochaJS

simple, flexible, fun javascript test framework for node.js & the browser.

Used in:
regenerator, jest, dataloader

Backers:
Sauce Labs ($7K), clay ($7K), Free Icons by Icons8 ($4K) and 7 others

Yearly budget: $11,341 USD

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symfony

The Symfony PHP framework

Used in:
php-webdriver, facebook-php-business-sdk, facebook-instant-articles-sdk-php

Yearly budget: $8 USD

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Chai

Chai is a BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.

Used in:
dataloader, facebook-nodejs-business-sdk

Backers:
Airbnb ($176), CodePilot.ai ($175), Metabolize ($12) and 1 other

Yearly budget: $979 USD

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debug

Used in:
jest, react-native

Backers:
CodePilot.ai ($125), Howdy ($100), Metabolize ($12)

Yearly budget: $439 USD

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electron

Build cross platform desktop apps with JavaScript, HTML, and CSS

Used in:
instant-articles-builder, flipper

Backers:
Facebook Open Source ($3,000 since Jun 2018). Also: TeamSQL ($300), MyCard ($50), jamovi ($40) and 3 others

Yearly budget: $12,901 USD

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GulpJS

The streaming build system.

Used in:
react, facebook-nodejs-business-sdk

Backers:
Sticker Mule ($2K), Craft CMS ($2K), clay ($2K) and 7 others

Yearly budget: $20,915 USD

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Open Collective

We are on a mission to create a new generation of association transparent by design

Used in:
jest, Docusaurus

Backers:
Mixmax ($50)

Yearly budget: $566 USD

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sinon

Used in:
react-native, metro

Backers:
Mixmax ($800), Airbnb ($480), CodePilot.ai ($125) and 2 others

Yearly budget: $3,406 USD

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bundlesize

Used in:
rebound-js

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cheerio

Fast, flexible, and lean implementation of core jQuery designed specifically for the server

Used in:
nuclide

Backers:
Algolia ($1K), Airbnb ($110), Metabolize ($12) and 2 others

Yearly budget: $1,615 USD

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cucumber

Behaviour Driven Development tool

Used in:
remodel

Backers:
Matters ($50), SpriteCloud BV ($10)

Yearly budget: $386 USD

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socket.io

Used in:
flipper

Backers:
Mixmax ($800), Free Icons by Icons8 ($700), Stream ($300) and 5 others

Yearly budget: $3,808 USD

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