Free and Open Source Software
Kitty Terminal
Kitty is a fast, featureful, GPU based terminal emulator for macOS, Linux and Windows. The project is developed by kovidgoyal and released as free and open software under the GPL-3.0 License. The terminal achives maximal performance by offloading rendering to the GPU for lower system load and smooth scrolling, making it a good choice when compared to resource heavy elctron-based terminals. Kitty Terminal also supports modern features like graphics, unicode, true-color, OpenType ligatures, mouse protocol, hyperlinks, focus tracking, bracketed paste and several new terminal protocol extensions.
Vizzlo
Create high-quality charts and business graphics easily online, in PowerPoint, or Google Slides.
Snowpack
Snowpack enables frontend developers to enjoy a lightning-fast development experience. It's modern build tool that replaces heavier, more complex bundlers like Webpack or Parcel in your development workflow. Snowpack leverages JavaScript's native module system to increase performance and never builds the same file twice. Allowing you to enjoy a near instant hot module reload and refresh no matter how big your project grows. Snowpack supports JSX, TypeScript, React, Preact, CSS Modules and much more, while also provding an extensive plugin catalog with support for almost any technology in the JavaScript eco-system.
Matplotlib
Matplotlib is a free and open-source data visualization library for Python. With Matplotlib you can vizualize data in plots, charts, histograms and much more.
Apache OpenOffice
Apache OpenOffice is a free and open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, and databases. It is one of the successor projects of OpenOffice.org and the designated successor of IBM Lotus Symphony. With Apache OpenOffice all data is stored in an open standard format allowing users to read and write files from all major office software.
WampServer
WampServer is a pre-configured web development stack for the Windows operating system. With WampServer it easy to manage a local web development environment that includes the Apache Web Server, the programming language PHP, combined with a MySQL or MariaDB database. WampServer comes with an installer that automatically installs everything you need to get started with the stack. Which makes WampServer a perfect choice for developer looking to quickly setup a local WAMP stack.
NativeScript
NativeScript is an open-source framework that you can use to develop mobile apps on the Apple iOS and Android platforms. The framework is developed and released by Progress, a software development company providing a wide range of SaaS-based products. NativeScript apps are built using JavaScript, or by using any programming language that transpiles to JavaScript, such as TypeScript.
Docz
Docz is a free and open source documentation software that makes it easy to write and publish beautiful interactive documentation for your code. It allows you to create markdown files showcasing your code and Docz turns them into a live-reloading, production-ready site. Docz is powered by GatsbyJS and is highly optimized for fast build times and end-user perfomance, while also allowing you toleverage GatsbyJS's huge ecosystem of plugins and tools. The software is written in TypeScript and Docz provides native TypeScript support for TSX components and can generate documentation from your prop types and comments in your code.
PhantomJS
PhantomJS is a headless web browser scriptable with JavaScript. PhantomJS utilize QtWebKit as the backend to offer fast and native support for various web standards: DOM handling, CSS selector, JSON, Canvas, and SVG. PhantomJS is most commonly used by developers to run browser-based unit tests in a headless system like a continuous integration environment.