Free Software for Linux
LLVM
LLVM is a compiler infrastructure project that contains a collection of modular and reusable compiler and toolchain technologies. LLVM stands for low level virtual machine yet the project has little to do with traditional virtual machines. LLVM is used to construct, optimize and produce intermediate and/or binary machine code. For example, programming languages like Crystal, Swift and Rust depend on the LLVM for compilation of code.
Natron
Natron is a powerful Digital Compositor that can handle all of your 2D and 2.5D needs. Its robust OIIO file formats and OpenFX architecture is what make Natron the most flexible open source compositor for the visual effects community. Its interface and functionally are the same across all platforms such as MacOS, Linux and Windows. Natron has a powerful keying, roto/rotopaint, 2D tracking tools that are staple for all current film production project that requires visual effects.
Clonezilla
Clonezilla is a partition and disk imaging and cloning software. With Clonezilla you can save and restore used block on hard-drives allowing you to do system deployments, bare metal backups and system recovery. Clonezille is available as three separate products, Clonezilla Live, Clonezilla Lite Server, and Clonezilla SE (Server Edition).
Koala
Koala is a GUI application for Less, Sass, Compass and CoffeeScript compilation, to help web developers to use them more efficiently. Koala provides real-time compilation and listens to files and compile automatically when the file changes, without any user interaction. Koala is avalible for Mac, Linux and Windows.
JVM
The Java Virtual Machine or JVM for shot is an engine that provides runtime environment to run Java applications.
RedVilla
RedVilla is a Marketplace of Digital Products. The project is built to become a platform to access all kind of raw image, videos, musical as well as other files.
openHAB
Empower your smart home with openHAB's vendor and technology agnostic automation software for your home. openHab's Home Automation Bus can be deployed on premis and connects to a wide variety of third-pary devices and services. In total, openHAB supports over 200 different technologies and thousands of devices. As openHAB is released as open-source software you are free to contribute to the project, and build extensions that suits your home and the third-party technologies you want to use.
Lokl
With Lokl you can setup a local WordPress development environment for Mac, Win & Linux. Lokl is a free and open source and allows you to quickly spin up local WordPress environments from your command line tool.
LibreSSL
As a fork of the open-source implementation of the Transport Layer Security protocol OpenSSL, LibreSSL aims to modernize the codebase, improving security, and applying best practice development processes. The primary development of occurs inside the OpenBSD source tree and is packaged for operating systems like FreeBSD, Linux, Windows and others. LibreSSL releases consists of several parts including libcryto, a ibrary of cryptography fundamentals, libssl, a TLS library and libtls a new TLS library, designed to make it easier to write foolproof applications.
FreeNAS
FreeNAS is an operating system that can be installed on virtually any hardware platform to share data over a network. With FreeNAS it is simple to create a centralized, easily accessible place for your data. You can use FreeNAS with ZFS to protect, store, and back up all of your data.