Font Squirrel

https://fontsquirrel.com

“100% free fonts for commercial use.”

Unsplash

https://unsplash.com

“The internet’s source of freely useable images. Powered by creators everywhere.”

Free Software Foundation

https://fsf.org

“A nonprofit with a worldwide mission to promote computer user freedom.”

OpenBSD

https://openbsd.org

“A freely available, multi-platform 4.4BSD-based UNIX-like operating system.”

Alpine Linux

https://alpinelinux.org

“Small. Simple. Secure.” A lightweight Linux distribution.

Arch Linux

https://archlinux.org

“A lightweightand flexible Linux distribution that tries to Keep It Simple.”

Debian

https://debian.org

“The universal operating system.”

Fedora

https://getfedora.org

“An innovative, free, and open source platform for hardware, clouds, and containers that enables software developers and community members to build tailored solutions for their users.”

Frugal

https://frugalware.org

“Frugalware is a general purpose linux distribution, designed for intermediate users (who are not afraid of text mode).”

Gentoo

https://gentoo.org

“A highly flexible, source-based distribution.”

Kali

https://kali.org

“An open source project that is maintained and funded by Offensive Security, a provider of world-class information security training and penetration testing services.”

OpenSUSE

https://opensuse.org

“The makers’ choice for sysadmins, developers and desktop users.”

Raspberry Pi

https://raspberrypi.org

“A series of small single-board computers developed in the United Kingdom by the Raspberry Pi Foundation to promote the teaching of basic computer science in schools and in developing countries.”

Raspbian

https://raspbian.org

“A free operating system based on Debian optimized for the Raspberry Pi hardware”

xbian

https://xbian.org

“A small, fast and lightweight media center distribution based on Debian.”

RetroPie

https://retropie.org.uk

“Allows you to turn your Raspberry Pi, Odroid C1/C2, or PC into a retro-gaming machine. Built upon Raspbian, Emulation Station, RetroArch, and more.”

Remarkable

https://remarkableapp.github.io

“A fully featured markdown editor for Linux and Windows.”

Simple Markdown Editor

https://simplemde.com

“A simple, embeddablem and beautiful JavaScript markdown editor.”

Visual Studio Code

https://code.visualstudio.com

“A source code editor developed by Microsoft for Windows, Linux and macOS with support for debugging, embedded Git control, syntax highlighting, intelligent code completion, snippets, and code refactoring. It is free and open-source, although the official download is under a proprietary license.”

VSCodium

https://vscodium.com

“A community-driven, freely-licensed (MIT), binary distribution of Microsoft’s VSCode with Telemetry/Tracking disabled.”

Bitbucket

https://bitbucket.org

“A web-based version control repository hosting service owned by Atlassian, for source code and development projects that use either Mercurial or Git revision control systems.”

Github

https://github.com

“A web-based hosting service for version control using Git.”

Gitlab

https://gitlab.com

“A web-based Git-repository manager with wiki and issue-tracking features, using an open-source license.”

Angular

https://angular.io

“A JavaScript-based open-source front-end web application framework mainly maintained by Google and by a community of individuals and corporations to address many of the challenges encountered in developing single-page applications.”

Chai

https://chaijs.com

“A BDD / TDD assertion library for node and the browser that can be delightfully paired with any javascript testing framework.”

Electron

https://electronjs.org

“A framework for creating native applications with web technologies like JavaScript, HTML, and CSS.”

Express

https://expressjs.com

“A web application framework for Node.js, released as free and open-source software under the MIT License, for building web applications and APIs.”

Greensock

https://greensock.com

“Ultra high-performance, professional-grade animation for the modern web.”

Grunt

https://gruntjs.com

“A JavaScript task runner, a tool used to automatically perform frequent tasks such as minification, compilation, unit testing, and linting.”

Gulp

https://gulpjs.com

“An open-source JavaScript toolkit by Fractal Innovations and the open source community at GitHub, used as a streaming build system in front-end web development.”

Ionic

https://ionicframework.com

“A complete open-source SDK for hybrid mobile app development.”

Jekyll

https://jekyllrb.com

“A simple, blog-aware, static site generator for personal, project, or organization sites.”

Mocha

https://mochajs.org

“A JavaScript test framework for Node.js programs, featuring browser support, asynchronous testing, test coverage reports, and use of any assertion library.”

Phaser

https://phaser.io

“A fast, free, and fun open source framework for Canvas and WebGL powered browser games.”

Protractor

https://protractortest.org

“An end-to-end test framework for Angular and AngularJS applications, running tests against your application running in a real browser, interacting with it as a user would.”

React

https://reactjs.org

“A JavaScript library for building user interfaces.”

Sass

https://sass-lang.com

“A CSS pre-processor with syntax advancements that outputs regular CSS style sheets.”

Typescript

https://typescriptlang.org

“A typed superset of JavaScript that compiles to plain JavaScript.”

Webpack

https://webpack.js.org

“A static module bundler for modern JavaScript applications.”

Docker

https://docker.com

“Fast and secure platform for high-velocity innovation.”

qemu

https://qemu.org

“A free and open-source hosted hypervisor that performs hardware virtualization.”

VirtualBox

https://virtualbox.org

“A free and open-source hypervisor for x86 computers currently being developed by Oracle Corporation.”

VMWare

https://vmware.com

“A subsidiary of Dell Technologies that provides cloud computing and platform virtualization software and services.”