Free Software for Self-Hosted
Numericalunits
Numericalunits is a Python package that lets you define quantities with units, which can then be used in almost any numerical calculation in any programming language. It provides a complete set of independent base units (meters, kilograms, seconds, coulombs, kelvins) are defined as randomly-chosen positive floating-point numbers. All other units and constants are defined in terms of those. In a dimensionally-correct calculation, the units all cancel out, so the final answer is deterministic, not random.
Underscore.js
Underscore.js is a free and open-source JavaScript library that provides over 100 functional programming helpers without extending any built-in objects. Underscore.js can be used for function binding, javascript templating, creating quick indexes, deep equality testing, and much more.
Envira Gallery
Envira Gallery is a WordPress plugin that can be used to create a gallery for your Wordpress-powered website. With Envira Gallery you can showcase images to your visitors with ease. Envira Gallery is also avalible for the WordPress.com platform if you are signed up on a business plan.
Guess.js
Guess.js is a free and open-source library that provides tools to simplify predictive data-analytics driven approaches to improving user-experiences on the web. The library is written in JavaScript and aims to lower the friction of consuming and applying this thinking to all modern sites and apps, including building libraries & tools for popular workflows.
PyTorch
An open-source machine learning framework designed and developed by Facebook's AI Research lab. With PyTorch, developers can build deep and machine learning models with ease, as the framework covers some of the most mundane parts of the process. PyTorch is released under a modified version of the BSD license and is totally free and open-source.
Webiny
Webiny is a free and open-source static site generator and headless CMS written in JavaScript.
Pug.js
Pug or Pug.js is a free and open-source, high-performance template engine for Node.js. The library is heavily influenced by Haml and share many of the same concepts, while being a JavaScript implementation.
Vest
Vest is a free and open-source validations library for JavaScript applications. The library share many similarities with other testing framework such as Mocha and Jest. It is to write validation testing with Vest as it includes already common declarative patterns. The library can handle validation upon user interaction and user input.
MJML
A framework that makes responsive email easy, MJML does this by transpiling <mj-*>-style markup language into responsive email HTML with nested tables and inline CSS. With MJML you can design email responsive email templates that works on the most popular email clients.
