Free and Open Source Software
PgHero
PgHero is a free and open-source performance dashboard for the database PostgreSQL. With PgHero you can monitor query performance and overall health of your Postgres database. The project is openly developed and battle-tested by the grocerie delivery platform Instacart and release under the MIT License.
Firefox Lockwise
Firefox Lockwise is a password manager for the Firefox web browser and your mobile Android and iOS device. The software feature strong 256-bit encryption that lets you store you password safely. Firefox Lockwise lets you securely access the passwords you've saved in Firefox from anywhere using Face/Touch ID or master password.
Wayback Machine
Wayback Machine or The Internet Archive is a 501(c)(3) non-profit and web-based tool that store snapshots of websites so that you can discover them through their life cyckle. The Wayback Machine can take you back in time, allowing you to view how your favorite websites or no defunct projects looked way back in the 90's. The crawler automatically crawl the web and take snapshots and saves the HTML, CSS and JavaScript under a specific timestamp. Are you lucky, you can find and browse your own old projects or popular websites from large corperations.
IPython
IPython is a powerful, free and open-source interactive shell used for interactive computing. It's an alternative to the Python interpreter that provides improvements over its default counterpart. These improvements include syntax highlight, proper indentation, documentation, and much more. With iPython, you can use Jupyter notebooks to create reports that contain live code, charts, and more interesting things for data science and data visualisation.
Wasmer
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.
Mandarine.TS
Mandarine.TS is a free and open-source minimalist, decorator-driven, MVC framework for Deno. Mandarine consists of four different core modules, Core, Security, Data & MVC which brings a compact, SOLID oriented solution for complex applications. All Mandarine projects are released under the MIT License and its growth is dependant on the members in the community.
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.