Free and Open Source Software
Q4OS
A fast and friendly, desktop oriented operating system based on Debian Linux. Q4OS provides a set of dedicated utilities and specific optimizations, combined with a focus on getting a productive system easily. This makes it ideal for people who want to get a working environment tailored to individual needs and preferences. Q4OS is a also a good choice for virtual cloud environments due to its very low hardware.
Seafile
Seafile is an open source file sync & share solution designed for high reliability, performance and productivity. Sync, share and collaborate across devices and teams. Seafile can be self-hosted, or provided as a managed and hosted solution. With Seafile, you can rest assured that your files are safe as all files are encrypted before syncing with the server, even system administrators have the capability to view your personal files.
Qt
Qt includes everything you need to build cross-platform applications that run on various software and hardware platforms such as Linux, Windows, macOS, Android or embedded systems with little to no change in the underlying codebase. Qt is released open-source under the GNU Free Documentation License, and provides a commerical offering for enterprises.
MonetDB
MonetDB is an column-oriented database management system developed at the Centrum Wiskunde & Informatica. The database is released as free and open source software under the Mozilla Public License 2.0. By design, MonetDB can handle high performance on complex queries against large databases with hundreds of columns and millions of rows.
VLC Media Player
A free and open-souce cross-platform multimedia player software and streaming media server. VLC Media Player has been developed openly since 2001 by the VideoLAN project and is available for desktop and mobile devices. VLC Media Player is most commonly use to view videos and movies locally on your devices.
JanusGraph
JanusGraph is a free and open-source distributed, scalable graph database optimized for storing and querying graphs containing hundreds of billions of vertices and edges distributed across a multi-machine cluster. The project is managed by The Linux Foundation and is released under the Apache Software License 2.0. Large corporations like Expero, Google, GRAKN.AI, Hortonworks, IBM and Amazon also supports the project.
Lucky Framework
Lucky is a web framework written in the programming language Crystal. With the Lucky Framework you can quickly catch bugs at compile time and build balzing fast web applications, faster. Much like Crystal takes syntactical inspiration from Ruby, Lucky takes its inspiration from Ruby on Rails.
OpenToonz
OpenToonz is a free and open-source, 2D animation product software published by DWANGO. OpenToonz is based on the source code of Toons by Studio Ghibli and features sequence number scanning can be conducted efficiently according to in between animation numbers. Four types of scanning (black & white, colored, with or without binarization). Scan settings that can be saved and reproduced. All while being compatible with the TWAIN standards.