Free Software
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.
Chrome Web Store
The Chrome Web Store is Google's online store for its Chrome web browser. With the Chrome Web Store people can download and use over 190,000 extensions and web apps directly in their Chrome browser.
TablePlus
TablePlus is a modern, native database client with intuitive GUI tools to create, access, query and edit multiple relational databases. The client supports MySQL, PostgreSQL, SQLite, Microsoft SQL Server, Sqlite, Redis, Cassandra, MongoDB and CockroachDB. TablePlus is available for macOS and Windows, and beta versions available for iOS and Linux.
Lua
Lua is a lightweight, high-level, multi-paradigm programming language built on top of the C programming language. The language is designed primarily for embedded use in applications and works cross-platform since Lua has a relatively simple C API to embed it into its core.
Django Ninja
Django Ninja is a free and open source web framework for building REST APIs with Django and Python 3.6+ based type hints. It shares many similarities with FastAPI, another popular Python framework for building APIs. Django Ninja now brings the same methodology to Django users wanting to build modern APIs using OpenAPI (Swagger) standards and JSON schema. It integrates well with the Django ORM and the ecosystem of third-party Django applications. Already the framework is used by multiple companies with live projects.
OBS Studio
OBS Studio or Open Broadcaster Software is a free and open-source cross-platform streaming and recording program. The software is equipped with a powerful API that enbales extensions via Lua or Python written plugins and script to further customize the users experience and capabilities of OBS Studio. The open development of OBS Studio is funded with Open Collective, which enables the software to stay free and open.
Linux
Linux is a family of free and open-source Unix-like operating systems based on the Linux kernel. Linux powers many things in the world today, from smartphones to cars, supercomputers and home appliances, home desktops to enterprise servers. Linux was first released in 1991 by Linus Torvalds as a free and open-source project. Today, Linux is typically packaged in a Linux distribution and released under different names. Some of the familiar being Android for mobile devices, or Debian, Fedora, or Ubuntu for desktop computers and servers.
TrueCrypt
TrueCrypt is an open-source disk encryption tool for Windows XP, Windows Vista, Windows 8, Windows 10, Linux, and Mac OS X. With TrueCrypt, yo can encrypt an external storage device, such as a USB drive, or an entire hard disk on your PC. TrueCrypt has been discontinued since 2014.
Yelp
Yelp is a crowd-sourced local business review and social networking platform. At Yelp, users can submit a review of their products or services using a one to five star rating system. As of Q4 2017 Yelp had 141 million monthly unique visitors and 148 million reviews. Yelp is used by people around the world to located the best restaurant, hotel, and businesses in the area.