Cloudflare speeds up and protects millions of websites, APIs, SaaS services, and other properties connected...

GitHub is the best place to share code with friends, co-workers, classmates, and complete strangers. Over t...

Bitbucket gives teams one place to plan projects, collaborate on code, test and deploy, all with free priva...

Mailgun is a set of powerful APIs that allow you to send, receive, track and store email effortlessly.

Mandrill is a new way for apps to send transactional email. It runs on the delivery infrastructure that pow...

MailChimp helps you design email newsletters, share them on social networks, integrate with services you al...

Optimizely is the market leader in digital experience optimization, helping digital leaders and Fortune 100...

Google Analytics lets you measure your advertising ROI as well as track your Flash, video, and social netwo...

Stripe makes it easy for developers to accept credit cards on the web.

Pingdom is an uptime monitoring service. When problems happen with a site that Pingdom monitors, it immedia...

Asana is the easiest way for teams to track their work. From tasks and projects to conversations and dashbo...

Twilio offers developers a powerful API for phone services to make and receive phone calls, and send and re...

Heroku is a cloud application platform – a new way of building and deploying web apps. Heroku lets app deve...

Harness the power of Dropbox. Connect to an account, upload, download, search, and more.

Jira's secret sauce is the way it simplifies the complexities of software development into manageable units...

InVision lets you create stunningly realistic interactive wireframes and prototypes without compromising yo...

Sentry’s Application Monitoring platform helps developers see performance issues, fix errors faster, and op...

PayPal is an online payments and money transfer service that allows you to send money via email, phone, tex...

The core software is built by hundreds of community volunteers, and when you’re ready for more there are th...

Attract, convert, close and delight customers with HubSpot’s complete set of marketing tools. HubSpot all-i...

Intercom is a customer communication platform with a suite of integrated products for every team—including ...

Shopify powers tens of thousands of online retailers including General Electric, Amnesty International, Cro...

The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, en...

Sublime Text is available for OS X, Windows and Linux. One license is all you need to use Sublime Text on e...

Vim is an advanced text editor that seeks to provide the power of the de-facto Unix editor 'Vi', with a mor...

At GitHub, we're building the text editor we've always wanted. A tool you can customize to do anything, but...

Datadog is the leading service for cloud-scale monitoring. It is used by IT, operations, and development te...

In a nutshell Jenkins CI is the leading open-source continuous integration server. Built with Java, it prov...

Imagine all your team communication in one place, instantly searchable, available wherever you go. That’s S...

Mocha is a feature-rich JavaScript test framework running on node.js and the browser, making asynchronous t...

Elasticsearch is a distributed, RESTful search and analytics engine capable of storing data and searching i...

Free and open source, Ionic offers a library of mobile and desktop-optimized HTML, CSS and JS components fo...

GitLab offers git repository management, code reviews, issue tracking, activity feeds and wikis. Enterprise...

Gradle is a build tool with a focus on build automation and support for multi-language development. If you ...

Ruby is a language of careful balance. Its creator, Yukihiro “Matz” Matsumoto, blended parts of his favorit...

Rails is a web-application framework that includes everything needed to create database-backed web applicat...

Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.

It is a web application framework with expressive, elegant syntax. It attempts to take the pain out of deve...

Python is a general purpose programming language created by Guido Van Rossum. Python is most praised for it...

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design.

Java is a programming language and computing platform first released by Sun Microsystems in 1995. There are...

Flask is intended for getting started very quickly and was developed with best intentions in mind.

Some of Erlang's uses are in telecoms, banking, e-commerce, computer telephony and instant messaging. Erlan...

Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for d...

Scala is an acronym for “Scalable Language”. This means that Scala grows with you. You can play with it by ...

AngularJS lets you write client-side web applications as if you had a smarter browser. It lets you use good...

Lots of people use React as the V in MVC. Since React makes no assumptions about the rest of your technolog...

jQuery is a cross-platform JavaScript library designed to simplify the client-side scripting of HTML.

Whether you're building highly interactive web applications or you just need to add a date picker to a form...

The MySQL software delivers a very fast, multi-threaded, multi-user, and robust SQL (Structured Query Langu...

PostgreSQL is an advanced object-relational database management system that supports an extended subset of...

MongoDB stores data in JSON-like documents that can vary in structure, offering a dynamic, flexible schema....

Redis is an open source (BSD licensed), in-memory data structure store, used as a database, cache, and mess...

Partitioning means that Cassandra can distribute your data across multiple machines in an application-trans...

Memcached is an in-memory key-value store for small chunks of arbitrary data (strings, objects) from result...

Git is a free and open source distributed version control system designed to handle everything from small t...

nginx [engine x] is an HTTP and reverse proxy server, as well as a mail proxy server, written by Igor Sysoe...

RabbitMQ gives your applications a common platform to send and receive messages, and your messages a safe p...

Kafka is a distributed, partitioned, replicated commit log service. It provides the functionality of a mess...

Bootstrap is the most popular HTML, CSS, and JS framework for developing responsive, mobile first projects ...

Semantic empowers designers and developers by creating a shared vocabulary for UI.

npm is the command-line interface to the npm ecosystem. It is battle-tested, surprisingly flexible, and use...

Markdown is two things: (1) a plain text formatting syntax; and (2) a software tool, written in Perl, that ...

It enables real-time bidirectional event-based communication. It works on every platform, browser or device...

Express is a minimal and flexible node.js web application framework, providing a robust set of features for...

Sass is an extension of CSS3, adding nested rules, variables, mixins, selector inheritance, and more. It's ...

HAProxy (High Availability Proxy) is a free, very fast and reliable solution offering high availability, lo...

JavaScript is most known as the scripting language for Web pages, but used in many non-browser environments...

It is the only complete API development environment, used by nearly five million developers and more than 1...

JetBrains RubyMine IDE provides a comprehensive Ruby code editor aware of dynamic language specifics and de...

Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is...

TypeScript is a language for application-scale JavaScript development. It's a typed superset of JavaScript ...

Started by core members of the original MySQL team, MariaDB actively works with outside developers to deliv...

Debian systems currently use the Linux kernel or the FreeBSD kernel. Linux is a piece of software started b...

A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows t...

Kibana is an open source (Apache Licensed), browser based analytics and search dashboard for Elasticsearch....

Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes i...

Material UI is a library of React UI components that implements Google's Material Design.

AWS Lambda is a compute service that runs your code in response to events and automatically manages the und...

Stack Overflow is a question and answer site for professional and enthusiast programmers. It's built and ru...

Elixir leverages the Erlang VM, known for running low-latency, distributed and fault-tolerant systems, whil...

Tag Manager gives you the ability to add and update your own tags for conversion tracking, site analytics, ...

HTML5 is a core technology markup language of the Internet used for structuring and presenting content for ...

Behaviour Driven Development for Ruby. Making TDD Productive and Fun.

Grafana is a general purpose dashboard and graph composer. It's focused on providing rich ways to visualize...

React Native enables you to build world-class application experiences on native platforms using a consisten...

Babel will turn your ES6+ code into ES5 friendly code, so you can start using it right now without waiting ...

With Electron, creating a desktop application for your company or idea is easy. Initially developed for Git...

The CentOS Project is a community-driven free software effort focused on delivering a robust open source ec...

It is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secu...

With Compose, you define a multi-container application in a single file, then spin your application up in a...

You can get vector icons and social logos on your website with it. It is a font that's made up of symbols, ...

Phoenix is a framework for building HTML5 apps, API backends and distributed systems. Written in Elixir, yo...

A pluggable and configurable linter tool for identifying and reporting on patterns in JavaScript. Maintain ...

Ubuntu is an ancient African word meaning ‘humanity to others’. It also means ‘I am what I am because of wh...

GraphQL is a data query language and runtime designed and used at Facebook to request and deliver data to m...

It is a library for building interactive web interfaces. It provides data-reactive components with a simple...

It helps you write applications that behave consistently, run in different environments (client, server, an...

Goals for ECMAScript 2015 include providing better support for large applications, library creation, and fo...

Build and debug modern web and cloud applications. Code is free and available on your favorite platform - L...

Blueprint is a React UI toolkit for the web. It is optimized for building complex, data-dense web interface...