Next.js - Framework for server-rendered or statically-exported React apps.
hapi - Rich framework for building applications and services.
Koa - Smaller, more expressive, and more robust foundation for web applications and APIs.
Umi - Pluggable enterprise-level react application framework.
popmotion - Functional, reactive animation library.
impress.js - Presentation framework based on the power of CSS3 transforms and transitions.
Pts - Library for visualization and creative-coding.
ts-mockito - Mocking library for TypeScript.
class-validator - Validation made easy using TypeScript decorators.
qoa - Minimal interactive command-line prompts.
Overmind - Frictionless state management.
micro github - Tiny microservice that makes adding authentication with GitHub to your application easy.
mdxc - Use React Components within Markdown.
ReLaXeD - Create PDF documents using web technologies.
Dragula - Drag and drop so simple it hurts.
Hammer.js - Multi-touch gestures.
emittery - Simple and modern async event emitter.
Xstate - State machines and statecharts for the modern web.
faker.js - Generate massive amounts of realistic fake data in Node.js and the browser.
arg - Simple argument parsing.
normalizr - Normalizes nested JSON according to a schema.
FBJS - Collection of utility libraries used by other Facebook JS projects.
Uppy - Next open source file uploader for web browsers.
ScrollReveal - Animate elements as they scroll into view.
Shiny - Add shiny reflections to text, backgrounds, and borders on devices that support the DeviceMotion event.
Hotkey Behavior - Trigger a action on element when keyboard hotkey is pressed.
Immer - Create the next immutable state by mutating the current one.
FlexSearch - Web's fastest and most memory-flexible full-text search library with zero dependencies.
Mercury Parser - Extracts the bits that humans care about from any URL you give it.
Refract - Harness the power of reactive programming to supercharge your components.
MemJS - Memcache client for node using the binary protocol and SASL authentication.
memfs - In-memory filesystem with Node's API.
Accounts - Fullstack authentication and accounts-management for GraphQL and REST.
Cleave.js - Format input text content when you are typing...
Unistore - Tiny 350b centralized state container with component bindings for Preact & React.