Free Software
Vizzu
Vizzu is a free, open-source Javascript/C++ library utilizing a generic dataviz engine that generates many types of charts and seamlessly animates between them. It can be used to create static charts but more importantly it is designed for building animated data stories and interactive explorers as Vizzu enables showing different perspectives of the data that the viewers can easily follow due to the animation.
BookStack
BookStack is a free and open-source, self-hosted, easy-to-use platform for documenting, organizing and storing information. BookStack is written in PHP, on-top of the Laravel Framework and can be hosted on most web hosting platforms, VPSs and cloud instances. The software is configurable and allow you to setup BookStack for your particular user case. It allows you to change, the name, logo, theme and registration options. It also provides a page editor with a simple WYSIWYG interface that can be used to edit content by anyone. BookStack is developed as a truly free and open software and is released under the MIT license.
PlayOnLinux
PlayOnLinux is an application which allows you to easily install and use numerous games and apps designed to run with Microsoft Windows. As few games are avalible for UNIX-like systems like macOS and Linux, PlayOnLinux playes an important role of allowing people to play games utilizing wine skins. A wrapper around Windows games and software that allow the game to be used on Linux and macOS.
MariaDB
MariaDB is an free and open-source, community-developed relational database management system. MariaDB is a fork of MySQL, and is developed and maintained by the creators of MySQL, after concerns over its acquisition by Oracle Corporation in 2009. The databases comes bundled by default with most Linux distributions and is also apart of most cloud offerings. MariaDB is built upon the values of performance, stability, and openness which is ensured through the MariaDB Foundation.
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 Hudi
Apache Hudi is a free and open source tool for ingesting and managing storage of large analytical datasets over DFS. With Hudi you can stream and process bid data by an order of magnitude faster than traditional batch processing. Apache Hudi work with Apache Spark and integrates well with third-party services like Amazon EMR, AWS Glue Catalog, AWS Lambda, Hadoop Distributed File System (HDFS), Google Bigtable, WebHDFS and Google Cloud Tasks.
Sketchfab
Sketchfab is a platform that can be used to publish, share or buy and sell 3D, VR and AR content. In the Sketchfab store you find everything from low poly assets to animated rigs & digital scans for your 3D, virtual reality, and augmented reality products. Before making purchasing decisions, Sketchfab allows you to preview real model topology, UVs, and textures so that you can view the real product and make an informed decision.
Twine
Twine is an open source tool for telling interactive stories. With Twine, it simple to create interactive fiction that can be displayed as web pages. Each projects starts with a blank pages that binds itself and it can bind itself along an infinite number of spines extending in any direction. Twine runs nativley on macOS, Linux and Windows machines and on the web.
QQ
QQ is a Chinese web portal and instant messaging service owned and developed by the Chinese tech giant Tencent. With QQ users can engage in online social games, music, shopping, microblogging, movies, and group and voice chat services. QQ is provided in mandarine only.