Free and Open Source Software
BlackHole
With BlackHole you can share files fast, in privacy. BlackHole allows you to move your files around the web with high-performance file transfer service that secured with blockchain technology.
Universal Media Server
Universal Media Server is a free and open-source media server capable of serving videos, audio and images to any DLNA-capable device. The software is regularly updated and has more features than any other media server, including paid media servers. Universal Media Server supports streaming to consoles like PS3, Xbox One, Xbox 360 and TVs like LG, Panasonic, Philips, Sharp, Samsung, Sony, and Vizio.
knex.js
Knex.js is a free and open-source JavaScript query builder for relational databases. The query builder supports Postgres, MSSQL, MySQL, MariaDB, SQLite3, Oracle, and Amazon Redshift and is designed for easy-of-use and portability. Knex.js can be used with both callbacks and promises and supports transactions and connection pooling while providing async flow control, a stream interface, fully featured query and schema builders.
C++
Developed by Bjarne Stroustrup at Bell Labs in 1979, C++ is a general-purpose programming language. C++ was designed as an extension of the work on the programming language C, or "C with Classes". The language run on the most common platforms such as macOS, Windows, Linux and various versions of UNIX. In modern releases of C++ object-oriented, generic, and functional features in addition to facilities for low-level memory manipulation has been introduced.
KDE Partition Manager
KDE Partition Manager is a utility software to help you manage the disk devices, partitions and file systems on your Linux-powered computer. With KDE Partition Manager, you can easily create, copy, move, delete, resize without losing data, backup and restore partitions.
TrueCrypt
TrueCrypt is an open-source disk encryption tool for Windows XP, Windows Vista, Windows 8, Windows 10, Linux, and Mac OS X. With TrueCrypt, yo can encrypt an external storage device, such as a USB drive, or an entire hard disk on your PC. TrueCrypt has been discontinued since 2014.