Open Source OS & Utility Software
ArcoLinux
ArcoLinux is a free and open-source Linux distribution based on Arch Linux. ArcoLinux is a full-featured distribution that ships with three different desktop options as default, Xfce desktop, Openbox and i3 window manager. The project is openly developed by the community where the most activity take place in three different branches, ArcoLinux, ArcoLinuxD and ArcoLinuxB. Each provides individual preconfigured desktops and tools included during installation. ArcoLinux makes it real simple to get started with the widley popular and modular Linux distribution Arch Linux.
balenaEtcher
With balenaEtcher people can create an installation media of your operating system by burning the image on a bootable flash drive. The software, that was previously known as Etcher, is developed by Balena and the open-source community and released free of charge under the Apache-2.0 License. balenaEtcher can be downloaded and used for following operating systems: macOS, Linux and Windows.
ClearOS
ClearOS is an open source software platform and operating system your computer, tablet, and phone. ClearOS is based on Red Hat Enterprise Linux and leverages the open source model to deliver a simplified, low cost hybrid IT experience for SMBs. The operating system ships with an online store of 100+ applications and services that SMBs can quickly browse and select to install on their server. This collection of free and fee-based applications empower SMBs to download, install, and pay for only those applications and services they need and value.
Wine
Wine is a free and open-source compatibility layer that aims to allow application software and computer games developed for Microsoft Windows to run on Unix-like operating systems, such as Linux, macOS, & BSD. Wine began in 1993 under the initial coordination of Bob Amstadt as a way to support running Windows 3.1 programs on Linux. To this day, Wine makes it easy to wrap and install Windows games and software for your favorite Unix system.
OpenBSD
OpenBSD is a free and open-source, security-focused, Unix-like operating system based on the Berkeley Software Distribution. For over 25 years OpenBSD has been developed by a community of volunteers funded through contributions collected by The OpenBSD Foundation. OpenBSD is freely available and can be used on most hardware, including Alpha, x86-64, ARMv7, ARMv8 (64-bit), PA-RISC, IA-32, LANDISK, Omron LUNA-88K, Loongson, MIPS64, PowerPC, SPARC64.
Disk Inventory X
Disk Inventory X is a disk usage utility for MacOS. Disk Inventory X helps users get an understaning of their computers disk space and how it is uitilized. Disk Inventory X answers this questions by providing an overview of files and folder and their size, with an easy-to-unstand graphical user interface that display disk space using treemaps. Disk Inventory X is released fully free and open-source under the GNU General Public License.
Ventoy
Ventoy is a free and open source tool that you can use to create bootable USB drive for ISO,WIM, IMG,VHD, and EFI files. You can copy many files at a time with Ventoy, instead of formating disks over and over again. Ventoy supports x86 Legacy BIOS, IA32 UEFI, x86_64 UEFI and ARM64 UEFI.
MidnightBSD
MidnightBSD is a free and open-source desktop operating system for x86 and x86-64 based PCs. The OS is originally forked from FreeBSD 6.1, and periodically updated with code and drivers from later FreeBSD releases. The developers behind MidnightBSD has been stringing since 2006 create an easy-to-use operating system that everyone can use, freely.