Free Software
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.
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.
Whitestorm.js
WhitestormJS is a free and open source framework that can be used to build 3D web applications using Three.js technology. WhitestormJS uses Three.js for rendering your scene and objects and Physi.js for simulating physics. Both those libraries are already included in the build and should work properly out-of-the-box. Developers use WhitestormJS to build interactive 3D applications for the web.
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.
Owncast
With Owncast you can host your own streams. Owncast is a free and open-source, self-hosted live video and web chat server for use with existing popular broadcasting software. Owncast includes a web interface to your video with built-in chat that is available once you start the server. The web interface was specifically built to be editable by anybody comfortable tweaking a web page. Allowing streamers to customize the experience for their audience.
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.
Happisales
Happisales is a cloud-based Field Force automation solution that caters to small and medium-sized businesses with cutting-edge software to track field activities. The key features of this software include task scheduling, contract management, payment collection, location tracking, and offline reporting.
Betterment
Betterment is a financial application that allow people to spend, save and invest better. The Betterment application provides you with a personal investment account that can be used to invest in stocks and bonds. While also providing credit card and online bank account that can be used for long-time savings and tracking of purchases. To-date over 500,000 people have trust Betterment with over 21 billion USD.