GraphQL Zeus

It is the only complete API development environment, used by nearly five million developers and more than 100,000 companies worldwide.

It’s a collection of superfast tests or detects as we like to call them which run as your web page loads, then you can use the results to tailor the experience to the user. It tells you what HTML, CSS and JavaScript features the user’s browser has to offer.

A JavaScript utility library delivering consistency, modularity, performance, & extras. It provides utility functions for common programming tasks using the functional programming paradigm.

A javascript date library for parsing, validating, manipulating, and formatting dates.

It is a Javascript library used to make http requests from node.js or XMLHttpRequests from the browser and it supports the Promise API that is native to JS ES6.

It is a tool that offers a nice and elegant way to add zooming functionality for images, html content and multi-media on your webpages. It is built on the top of the popular JavaScript framework jQuery and is both easy to implement and a snap to customize.

Visualize your data in 6 different ways. Each of them animated, with a load of customisation options and interactivity extensions.

A JavaScript library that provides a whole mess of useful functional programming helpers without extending any built-in objects.

It provides the most comprehensive yet simple and consistent toolset for manipulating JavaScript dates in a browser & Node.js.

It is a highly flexible tool, built upon the foundations of progressive enhancement, that adds all of these advanced features to any HTML table.

It is a popular and widely used package written in JavaScript. It optimizes the workflow around managing multi-package repositories with git and npm.

It is a collection of JavaScript utilities designed for the intermediate to advanced JavaScript developer. It allows you to write powerful and flexible code with its elegant, well documented, and coherent APIs.

It is a lightweight, beautiful and extensible syntax highlighter, built with modern web standards in mind. It’s used in thousands of websites, including some of those you visit daily.

It is the official React binding for Redux. It lets your React components read data from a Redux store, and dispatch actions to the store to update data. It is designed to work with React's component model. You define how to extract the values your component needs from Redux, and your component receives them as props.

Copying text to the clipboard shouldn't be hard. It shouldn't require dozens of steps to configure or hundreds of KBs to load. But most of all, it shouldn't depend on Flash or any bloated framework. That's why this tool exists.

Insomnia is a powerful REST API Client with cookie management, environment variables, code generation, and authentication for Mac, Window, and Linux.

This package implements a general-purpose JavaScript parser/compressor/beautifier toolkit. It is developed on NodeJS, but it should work on any JavaScript platform supporting the CommonJS module system (and if your platform of choice doesn’t support CommonJS, you can easily implement it, or discard the exports.* lines from UglifyJS sources).

It is probably the most popular HTTP client library for .NET. Featuring automatic serialization and deserialization, request and response type detection, variety of authentications and other useful features

It is a publicly available application programming interface that provides developers with programmatic access to a proprietary software application or web service.

It is a beautiful replacement for warning modals, success messages, and error messages. It makes popup messages easy and pretty.

Immutable provides Persistent Immutable List, Stack, Map, OrderedMap, Set, OrderedSet and Record. They are highly efficient on modern JavaScript VMs by using structural sharing via hash maps tries and vector tries as popularized by Clojure and Scala, minimizing the need to copy or cache data.

Q is a promise library for JavaScript.

It emphasizes a purer functional style. Immutability and side-effect free functions are at the heart of its design philosophy. This can help you get the job done with simple, elegant code.

Vue CLI aims to be the standard tooling baseline for the Vue ecosystem. It ensures the various build tools work smoothly together with sensible defaults so you can focus on writing your app instead of spending days wrangling with config.

It is the most advanced WYSWIYG HTML editor designed to simplify website content creation. The rich text editing platform that helped launch Atlassian, Medium, Evernote, and more.

It is a modern, feature-rich JavaScript text editor with clean UI and perfect UX. Easily customizable to any use case.

Retrofit turns your HTTP API into a Java interface

It is a secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.

It is an embeddable script that makes source-code snippets in HTML prettier.It works on HTML pages. It is widely used with good cross-browser support.

It is a cross-browser JavaScript library that draws Vector graphics for web sites. It will use SVG for most browsers, but will use VML for older versions of Internet Explorer.

It is a fully-featured promise library with a focus on innovative features and performance.

It is a library that facilitates the managing of state within your JavaScript applications. It is modeled after flux.

It is a library allowing to save the redux store in the local storage of your browser. It promises to retain the users’ redux-state which is an attractive proposition for most developers.

It defines a standard, language-agnostic interface to RESTful APIs which allows both humans and computers to discover and understand the capabilities of the service without access to source code, documentation, or through network traffic inspection.

It is a Portable Document Format (PDF) viewer that is built with HTML5. It is community-driven and supported by Mozilla Labs. The goal is to create a general-purpose, web standards-based platform for parsing and rendering PDFs.

API management, design, analytics, and security are at the heart of modern digital architecture. The Apigee intelligent API platform is a complete solution for moving business to the digital world.

It is an open source functional Testing tool for API Testing. It supports multiple protocols such as SOAP, REST, HTTP, JMS, AMF and JDBC. It supports functional tests, security tests, and virtualization.

Paw is a full-featured and beautifully designed Mac app that makes interaction with REST services delightful. Either you are an API maker or consumer, Paw helps you build HTTP requests, inspect the server's response and even generate client code.

It is a JavaScript display engine for mathematics that works in all browsers. No more setup for readers. It just works.

It is a library that makes it easier to work with dates and times in Javascript. If you want, add and subtract them, format and parse them, ask them hard questions, and so on, it provides a much easier and comprehensive interface than the native types it wraps.

It is a Swift-based HTTP networking library for iOS and macOS. It provides an elegant interface on top of Apple's Foundation networking stack that simplifies a number of common networking tasks.

It is an open source project which allows generation of API client libraries (SDK generation), server stubs, and documentation automatically from an OpenAPI Specification.

Combines API test-automation, mocks and performance-testing into a single, unified framework. The BDD syntax popularized by Cucumber is language-neutral, and easy for even non-programmers. Besides powerful JSON & XML assertions, you can run tests in parallel for speed - which is critical for HTTP API testing.

RESTful API Modeling Language (RAML) makes it easy to manage the whole API lifecycle from design to sharing. It's concise - you only write what you need to define - and reusable. It is machine readable API design that is actually human friendly.

Showdown lets you add in-browser preview to existing Markdown apps. Any app that accepts HTML input can now be made to speak Markdown by modifying the input pages's HTML

Charles is a web proxy (HTTP Proxy / HTTP Monitor) that runs on your own computer. Your web browser (or any other Internet application) is then configured to access the Internet through Charles, and Charles is then able to record and display for you all of the data that is sent and received.

Created with <3 for front-end developers who need a quick back-end for prototyping and mocking.

Keep tabs on all aspects of your API's performance with uptime monitoring, integration testing, logging and real-time monitoring.

This command line interface enables you to package your Node.js project into an executable that can be run even on devices without Node.js installed.

Newman is a command-line collection runner for Postman. It allows you to effortlessly run and test a Postman collection directly from the command-line. It is built with extensibility in mind so that you can easily integrate it with your continuous integration servers and build systems.