Open Source Software for Linux
Jenkins
Jenkins is a free and open source DevOps tool used for ticket systems and CI/CD infrastructure. Jenkins provides hundreds of plugins to support building, deploying and automating any software project. The tool is a self-contained Java-based program that is ready to run out-of-the-box, with packages for Windows, Mac OS X and Unix-like operating systems. Anyone is free to contribute to Jenkins, and the software is released under the MIT license.
KDE Plasma
KDE Plasma is a free and open-source graphical workspaces environment built Linux systems. You can use KDE Plasma to suf the web, keep in touch with colleagues, friends and family, manage your files, enjoy music and videos, and get creative and productive at work. KDE Plasma is built using Qt and KDE Frameworks and supports HiDPI displays and ships a highly convergable graphical shell.
Clementine
Clementine is free and open-source music player and library organizer based on Amarok 1.4. The application work cross-platform and is avalible for BSD, macOS, Linux, and Windows.
Pencil2D
Pencil2D is a simple, yet powerful 2D animation, drawing and painting application that lets you create traditional hand-drawn animation using both bitmap and vector graphics. Pencil2D is released as free and open-source software under the GNU General Public License and uses the Qt framework. With Pencil2D you can seamlessly switch between raster and vector workflows, allowing you to sketch, ink & paint on the go.
MultiBootUSB
MultiBootUSB is a cross platform software that allows you to install multiple live linux on a USB disk non destructively and option to uninstall distros. MultiBootUSB is written in Python and is released as free and open-source software under the GPL-2.0 License.
RSSOwl
RSSOwl is a powerful RSS application that can help you organize, search and read all your news feeds in a comfortable way. RSS Owl is released as open-source software and can be downloaded and used for free, without limitations. With RSS Owl it's easy to stay on-top of the latest news and information that you like. All feeds can be categorized with labels and articles can be saved individually, and when new content in your feed is released RSS Owl automatically notify you through its notification system. RSS Owl is developed as a cross-platform software and runs on all major platforms including macOS, Linux, and Windows.
Deno
A new free and open-source JavaScript runtime based on the V8 engine by the creator of Node.js, Ryan Dahl. Deno is written in JavaScript and Rust and allows you to write server-side application with JavaScript or TypeScript in a faster and more secure way. Ryan Dahl set out to create Deno from the ground up to remedy regrets he faced after building Node.js. Deno puts more focus on security and permission, promises, browser capability, imports and modules.
DDEV
DDEV is an open source tool that makes it dead simple to get local PHP development environments up and running within minutes. It's powerful and flexible as a result of its per-project environment configurations, which can be extended, version controlled, and shared. In short, DDEV aims to allow development teams to use Docker in their workflow without the complexities of bespoke configuration.
FileZilla
Filezilla is an free and open-source FTP software that can be used to transfer files over the FTP, FTPS and SFTP protocol. The application consist of FileZilla Client and FileZilla Server. The FileZilla Client is used to connect to FTP services whereas FileZilla Server can be used to create and host your own FTP server.
OpenTSDB
OpenTSDB is a free and open-source distributed, scalable Time Series Database written on top of Apache HBase. OpenTSDB was designed to address a common need: store, index and serve metrics collected from computer systems such as network gear, operating systems and applications, at a large scale, and make this data easily accessible and graphable. OpenTSDB allows you to collect thousands of metrics from tens of thousands of hosts and applications, at a high rate and will never delete or downsample data and can easily store hundreds of billions of data points.