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 18 others

Backers:
Facebook Open Source ($13,000 since Oct 2017). Also: Handshake ($30K), trivago ($24K), Airbnb ($13K) and 6 others

Yearly budget: $265,097 USD

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Jest

🃏Delightful JavaScript Testing

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

Backers:
Facebook Open Source ($6,000 since May 2018). Also: Airbnb ($176), CodePilot.ai ($100), HostPresto ($8) and 3 others

Yearly budget: $23,593 USD

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GulpJS

The streaming build system.

Used in:
emitter, react, puewue-frontend and 5 others

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

Yearly budget: $20,847 USD

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Rollup

The JavaScript module bundler

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

Backers:
Facebook Open Source ($2,250 since Feb 2018). Also: Algolia ($1K), Mixmax ($1000), Oasis Digital Solutions Inc. ($900) and 6 others

Yearly budget: $9,521 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 ($13,000 since Oct 2017). Also: trivago ($150K), ag-Grid ($45K), Airbnb ($15K) and 6 others

Yearly budget: $380,993 USD

7% progress to reach their next goal:
50% Payouts

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lint-staged

Used in:
create-react-app, Docusaurus, instant-articles-builder

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MochaJS

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

Used in:
regenerator, jest, dataloader

Backers:
clay ($8K), Sauce Labs ($7K), Free Icons by Icons8 ($4K) and 7 others

Yearly budget: $10,101 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 ($264), CodePilot.ai ($225), Metabolize ($16) and 1 other

Yearly budget: $936 USD

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Cycle.js

A functional and reactive JavaScript framework.

Used in:
rebound-js, nuclide

Backers:
Verizon ($10K), Float Left, LLC ($500), Piktochart ($300) and 6 others

Yearly budget: $3,580 USD

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debug

Used in:
jest, react-native

Backers:
CodePilot.ai ($175), Howdy ($100), Metabolize ($16) and 1 other

Yearly budget: $457 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 ($5,000 since Jun 2018). Also: TeamSQL ($500), MyCard ($50), Coherent Software ($40) and 5 others

Yearly budget: $13,342 USD

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Bevry

Bevry is an open-company and community dedicated to empowering developers everywhere.

Used in:
nuclide

Yearly budget: $73 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 ($154), Metabolize ($16) and 5 others

Yearly budget: $1,637 USD

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cucumber

Behaviour Driven Development tool

Used in:
remodel

Backers:
Matters ($70), SpriteCloud BV ($20)

Yearly budget: $447 USD

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emotion

Emotion is a css-in-js library focused on performance and developer experience.

Used in:
flipper

Yearly budget: $97 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

Backers:
Mixmax ($50)

Yearly budget: $184 USD

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socket.io

Used in:
flipper

Backers:
Mixmax ($1000), Free Icons by Icons8 ($900), Stream ($300) and 7 others

Yearly budget: $4,462 USD

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