Open Source Software
Apache Geode
Apache Geode is a mature, robust distributed in-memory data grid supporting caching and data computation. The software originally developed by GemStone Systems. Commercially available as GemFire. With Apache Geode you can provide low latency, high concurrency data management applications.
TaffyDB
TaffyDB is a free and open source, Pure-JavaScript database abstraction that stores data in JSON format. TaffyDB provides INSERT, DELETE, GET (SELECT) and JOIN methods to execure the data similar to that of traditional relational SQL databases. TaffyDB allows you to quickly setup an in-memory database that can be used in the same fashion as an SQLite database would, without configuration and a database server running.
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.
Garuda Linux
Garuda Linux is a free and open-source Arch-based Linux distribution. The mission of Garuda Linux is to provide a stable and easy to install version of Arch Linux. Garuda Linux supports the following desktop environments KDE, GNOME, Xfce, Cinnamon, MATE, LXQt-kwin, Deepin, Wayfire, BSPWM and i3wm and can easily be installed with the Calamares installer. On top of that, Garuda Linux provides GUI's for package management with Pamac, kernel and driver management with Garuda Settings Manager, GPU switching for Optimus laptops with Optimus Manager, manage common tasks with Garuda Assistant, and a GUI for installing curated gaming software called Garuda Gamer.
Tails
The Amnesic Incognito Live System or Tails for short is a portable operating system that protects you against surveillance and censorship. The operating system can started from a USB stick on any macOS, Linux or Windows computer, leaving no trace on that computer after it has been shutdown. Allowing you to make any computer into a Tails protect environment free of surveillance. Tails includes a variety of open source tools that can be used to browse the web, edit document and communicate saftley. Including Tor, Tor Browser, Pidgin, Network Manger, VeraCrypt, GNUPG, MAT, KeePassXC, GtkHash and many more.
Opera Touch
Opera Touch is web browser that is made to be used on the go. It features an award-winning, fast web search interface and is the perfect companion for your Opera computer browser. The modern user interface of Opera Touch has been awarded the prestigious Red Dot Communication Design Award 2018. With Opera Touch you can keep your favorites and browser history in sync with your desktop-based opera browser. Allowing you to move from stationary to mobile in seconds.
Sia
Sia is a decentralized storage platform secured by blockchain technology. The Sia Storage Platform leverages underutilized hard drive capacity around the world to create a decentralized data storage marketplace that is more reliable and lower cost than traditional cloud storage providers. With Sia you can store files in the decentralized cloud without signup requirements, servers and trusted third-party providers. On average, Sia's decentralized cloud storage costs 90% less than incumbent cloud storage providers. Storing 1TB of files on Sia costs about $1-2 per month, compared with $23 on Amazon S3.
Stacker
Check the top of the screen to. see what's next and its width. Some ladies wear fruit on their head. Who ate all the shapes? You stacked the lot!
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.
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.