Free Software
Knoppix
Knoppix is a GNU/Linux distribution that boots and runs completely from CD or DVD and can be used to read and write Windows and other partitions (among other clever tricks). The Knoppix CD and DVD include recent Linux software and desktop environments.
TinyLetter
TinyLetter is a peronal newletter service by the creators of Mailchimp. With TinyLetter, people can communicate with fans and friends for free. The service provides a similar experience to that of Mailchimp, without the bussiness features. It's easy to get started with TinyLetter, and a great way to start email list for communities, non-profits and hobby projects.
CentOS
The CentOS Linux distribution is a stable, predictable, manageable and reproducible platform derived from the sources of Red Hat Enterprise Linux (RHEL). The operating system is built with community-driven efforts and is released free and open-source under the GPLv2. Since March 2004, CentOS has been used to power servers and desktops across the world, and the project is still going strong to this day.
GDevelop
GDevelop is a 2D cross-platform, free and open-source game engine that takes visual programming to the next level. GDevelop allows you to take read-made behaviours and add them to your game objects or create new once with intuitive and east to use events. With GDevelop, it is easy to make games for PC and Mobile, as well as launch HTML5 games playable right in your web browser.
Socioboard
Socioboard is a social media automation toolkit for small businesses. With Socioboard you can automate lead generation, marketing, customer support and social engagement.
Deepin
Deepin is a free and open-source Linux distribution based on Debian. The distribution is developed by the Chinese company Wuhan Deepin Technology. Deepin features the modern looking Deepin Desktop Environment and its own app store, the Deepin Store. The Deepin Desktop Environment which is built with Qt can also be used on other Linux distribution including Arch Linux, Fedora, Manjaro and Ubuntu.
Drauger OS
Drauger OS is a free and open-source, leight-weight Linux distribution designed for gaming. Drauger OS has an overhauled desktop, the xanmod kernel for better graphics performance, and enhanced multi-lingual support. Drauger OS development aims to make Drauger OS available for as many people and devices as possible.
MySQL
The worlds most popular free open-source relational database, MySQL is used by 150,000 + companies across the globe. The relational database management system is released and distributed under the GPL license and openly developed by the community. MySQL uses SQL as its query language and is fully integrated and ACID compliant.
OrientDB
OrientDB is an open-source NoSQL database management system written in Java. The multi-model database supports graph, document, key/value, and object models, where relationships are managed as in graph databases with direct connections between records. The database is extremly efficient and can store over 220,000 records per second on common hardware, and traverse thousands of records in milisecons. OrientDB scales well on multiple machines, thanks to the multi-master replication where there is no single bottleneck on writes like with master-slave replication.
VoltDB
VoltDB is a blazingly fast NewSQL database management system that is specifically designed to run on modern scale-out architectures - fast, inexpensive servers connected via high-speed data networks. VoltDB is a popular choice for companies with high data throughput requirements, like in the telecommunications industry. 5G has changed the game for telcos, and new rules call for a new way of managing data. VoltDB is built for today’s massive data volume and complexity, allowing businesses to survive and thrive in the age of 5G, IoT, and whatever comes next.