Ross ROSS = Recommend OSS · open-source software intelligence for agents

Open-source operating-systems software

1492 open-source libraries, tools and applications tagged operating-systems, ranked by how closely operating-systems is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.

1492 products, primary matches first, then adoption-weighted; health v2 shown.

ProductHealth v2StarsMaturity
torvalds/linux
The official source tree of the Linux kernel, the core of Linux operating systems that manages hardware, system resources, and fundamental …
77251470stable
Microsoft Activation Scripts (MAS)
Microsoft Activation Scripts (MAS) is an open‑source batch/PowerShell tool that activates Windows and Microsoft Office using HWID, KMS, TSf…
88191377active
ventoy/Ventoy
Ventoy is an open-source tool for creating bootable USB drives that can hold many ISO/WIM/IMG/VHD(x)/EFI image files at once. Users simply …
9479662stable
tw93/Mole
Mole is a free, open‑source command‑line utility for macOS that cleans caches, removes leftover files, optimizes system services, and provi…
8170975active
ChrisTitusTech/winutil
WinUtil is a PowerShell‑based CLI utility that automates Windows app installation, system tweaks, fixes, and update management. It provides…
9963916active
PowerShell/PowerShell
PowerShell is a cross-platform command-line shell, scripting language, and automation framework built on .NET, supporting Windows, Linux, a…
9655515stable
Omarchy
Omarchy is a modern, opinionated Linux distribution that provides a curated set of applications, themes, and tools. It includes a custom de…
8345029active
Omarchy
Omarchy is an opinionated, preconfigured Arch-based Linux desktop setup by DHH, built around Hyprland with curated themes, tools, and dotfi…
8345029active
Hyprland
Hyprland is an independent, dynamic tiling Wayland compositor for Linux written in C++, featuring extensive animations, blur, and visual ef…
9638896active
Rufus
Rufus is a free, portable Windows utility for formatting USB drives and creating bootable media from ISO or disk images. It supports BIOS a…
8837748stable
fish shell
fish is a user-friendly, smart interactive command line shell for macOS, Linux, BSD, and Windows (via WSL/Cygwin), written in Rust. It prov…
9734297stable
Windows Subsystem for Linux
Windows Subsystem for Linux (WSL) is a compatibility layer that lets you run native Linux command‑line tools, utilities and applications di…
9833917active
SerenityOS/serenity
SerenityOS is a graphical Unix-like operating system for 64-bit x86, Arm, and RISC-V computers, built from scratch in C++ with a custom ker…
7633868active
ValveSoftware/Proton
Proton is a compatibility tool for Steam Play, based on Wine and additional components, that lets Windows-exclusive games run on Linux thro…
10033090active
Shizuku
Shizuku lets normal Android apps call system APIs with elevated ADB or root privileges by running a server process via app_process and prox…
3130654active
asmvik/yabai
yabai is a tiling window manager for macOS that automatically arranges windows using a binary space partitioning algorithm. It extends the …
8229718stable
OpenWrt
OpenWrt is a Linux-based operating system for embedded devices, primarily routers. It provides a writable filesystem, package manager, and …
9528793active
niri
niri is a scrollable-tiling Wayland compositor written in Rust on top of Smithay. Windows are arranged in columns on an infinite horizontal…
8227911active
LSPosed/LSPosed
LSPosed is an ART hooking framework implemented as a Riru/Zygisk Magisk module that provides Xposed-compatible APIs for Android 8.1-14. It …
6725120active
kholia/OSX-KVM
A collection of scripts, OpenCore configurations, and documentation for running macOS virtual machines on Linux using QEMU/KVM, without nee…
5723739active
osquery/osquery
osquery is a SQL-powered operating system instrumentation, monitoring, and analytics framework that exposes OS data as a high-performance r…
8823587active
nikitabobko/AeroSpace
AeroSpace is an i3-inspired tiling window manager for macOS built in Swift. It emulates virtual workspaces independently of native macOS Sp…
8223202active
BCC
BPF Compiler Collection (BCC) is a toolkit for writing efficient eBPF-based kernel tracing and manipulation programs, with instrumentation …
8922707active
Atlas
AtlasOS is an open-source, lightweight modification for Windows that applies privacy, security, and performance optimizations. It removes t…
8121852active
p0deje/Maccy
Maccy is a lightweight, open-source clipboard manager for macOS that keeps a history of copied items. It offers fast keyboard-first search …
9321697stable
jart/cosmopolitan
Cosmopolitan Libc is a C/C++ library and toolchain that makes C a build-once run-anywhere language by producing polyglot executables that r…
7921396active
iSH
iSH is an iOS/iPadOS app that runs a Linux shell locally using a usermode x86 emulator and syscall translation. It ships an Alpine Linux en…
8620592active
Atmosphère
Atmosphère is a customized firmware (CFW) for the Nintendo Switch, composed of components that replace and patch the console's bootloader, …
9420042active
Sandboxie
Sandboxie Plus & Classic is an open‑source sandbox‑based isolation tool for Windows that lets applications run in a virtual environment wit…
10019712active
ntdevlabs/tiny11builder
A set of PowerShell scripts that automate building a trimmed-down, debloated Windows 11 ISO image from an official Microsoft ISO. It includ…
3719624active
TGSAN/CMWTAT_Digital_Edition
CloudMoe Windows 10/11 Activation Toolkit is a Windows application that activates Windows 10 and 11 using digital licenses. It is distribut…
8319507active
tiann/KernelSU
KernelSU is a kernel-based root solution for Android that runs inside the Linux kernel to grant root access. It provides stealthy, permissi…
9519399active
OpenCore Legacy Patcher
OpenCore Legacy Patcher is a Python‑based application that patches OpenCore to enable macOS Big Sur and newer on unsupported legacy Macs. I…
9818574active
OpenCore Legacy Patcher
A Python-based GUI application that builds and installs OpenCore boot configurations to run modern macOS (Big Sur through Sequoia) on unsup…
9818574active
DXVK
DXVK is a Vulkan-based translation layer that implements Direct3D 8, 9, 10, and 11 APIs, allowing Windows 3D applications and games to run …
9818322active
xbar
xbar is a macOS menu bar application (a rewrite of BitBar in Go using Wails) that displays the output of any script or program directly in …
2318068active
NixOS/nix
Nix is a purely functional package manager that builds packages in isolation for reproducible, reliable, declarative package management. It…
7717889stable
OpenEmu
OpenEmu is an open-source retro video game emulator for macOS that unifies multiple emulation engine backends behind a native Cocoa front e…
4117787active
NVIDIA/open-gpu-kernel-modules
The source release of NVIDIA's open Linux GPU kernel modules, released per driver version and built with make. It must be paired with match…
9317411active
swaywm/sway
Sway is an i3-compatible tiling Wayland compositor that works as a drop-in replacement for the i3 window manager on X11. It arranges window…
8217365stable
systemd/systemd
systemd is a suite of basic building blocks for a Linux system, providing a system and service manager that runs as PID 1 and starts the re…
9616851stable
Zephyr RTOS
Zephyr is a scalable, secure, real-time operating system (RTOS) designed for resource-constrained embedded devices across multiple hardware…
9116683stable
redox-os/redox
Redox is a full-featured Unix-like operating system written in Rust with a microkernel architecture, inspired by seL4, MINIX, Plan 9, Linux…
6616594active
Lynis
Lynis is an open-source security auditing and hardening tool for UNIX-based systems including Linux, macOS, and BSD. It performs in-depth l…
8316450stable
davatorium/rofi
Rofi is a popup window switcher, application launcher, and dmenu replacement for Linux. It presents a searchable textual list of options fo…
7816450stable
dots-hyprland
A usability-first dotfiles bundle that turns Hyprland (a Wayland compositor) into a polished, Material Design-styled Linux desktop shell, b…
8016335active
ianyh/Amethyst
Amethyst is an automatic tiling window manager for macOS, inspired by xmonad. It arranges windows into configurable layouts controlled enti…
8916296active
Lakr233/vphone-cli
A Swift CLI tool that boots virtual iPhone instances on Apple Silicon Macs using Apple's Virtualization.framework and PCC research VM infra…
8315734active
OpenCore
OpenCore is a UEFI bootloader for booting macOS (Hackintosh) and other operating systems on PC hardware, with an accompanying UEFI developm…
8915505active
polybar/polybar
Polybar is a fast and easy-to-use tool for creating highly customizable status bars on Linux desktop environments. It provides built-in mod…
3915346stable
LGUG2Z/komorebi
komorebi is a tiling window manager for Windows 10 and above that works as an extension to Microsoft's Desktop Window Manager. It provides …
8715294active
Cockpit
Cockpit is a web-based graphical interface for administering Linux servers, interacting directly with the operating system through real sys…
9515200stable
dwarvesf/hidden
Hidden Bar is an ultra-light macOS utility that lets users hide menu bar icons to declutter the menu bar. It works by inserting spacer icon…
8515159stable
WeChatTweak
A command-line tool that patches the WeChat macOS client to add features like preventing message revocation, blocking automatic updates, an…
6513840active
Jguer/yay
yay is an AUR helper for Arch Linux written in Go that wraps pacman to manage both official repository and AUR packages from a single pacma…
9313785active
qemu/qemu
QEMU is a generic open-source machine emulator and virtualizer written in C. It can emulate complete machines in software via dynamic trans…
7513764stable
bin456789/reinstall
A one-click shell script for reinstalling operating systems on VPS servers, supporting 19 Linux distributions and Windows via official ISOs…
7613561active
Darling
Darling is a translation/compatibility layer that lets users run macOS and Darwin software directly on Linux without a virtual machine, sim…
8113423active
microsoft/mimalloc
mimalloc is a compact general-purpose memory allocator developed by Microsoft, serving as a drop-in replacement for malloc with excellent p…
9613399stable
89luca89/distrobox
Distrobox is a command-line tool that uses podman, docker, or lilipod to create tightly integrated containers of any Linux distribution ins…
9013036stable
OpenZFS
OpenZFS is an advanced copy-on-write file system and volume manager originally developed for Solaris, now maintained by the OpenZFS communi…
9712492stable
umbrelOS
umbrelOS is a home server operating system for self-hosting apps on your own hardware, with an app store of 300+ one-click installable appl…
9312376active
mas-cli/mas
mas is a command-line interface for the Mac App Store, written in Swift. It lets users search, install, update, and manage App Store apps f…
8912356active
netboot.xyz
netboot.xyz is an iPXE-based network bootloader that presents a menu of operating system installers, live distros, and rescue tools that ar…
9112314active
waydroid/waydroid
Waydroid is a container-based tool that boots a full Android system inside Linux namespaces (LXC) on GNU/Linux systems running Wayland. It …
8612310active
RT-Thread/rt-thread
RT-Thread is an open-source, community-based real-time operating system (RTOS) for IoT and embedded devices, written primarily in C. It com…
9012286stable
Alexays/Waybar
Waybar is a highly customizable status bar for Wayland compositors, built with GTK and C++ for Sway and other wlroots-based compositors lik…
7712034active
thaw-app/Thaw
Thaw is an open-source macOS menu bar manager that helps users organize, hide, and manage menu bar items. It is built in Swift/SwiftUI and …
7611950active
shirou/gopsutil
gopsutil is a Go port of Python's psutil library for retrieving system information such as CPU, memory, disk, network, and process metrics.…
9811931stable
ImmortalWrt
ImmortalWrt is an open-source fork of OpenWrt, a Linux-based operating system for embedded network devices like WiFi routers. It targets ma…
7711751active
Loop
Loop is a free, open-source macOS window management app that lets users move, resize, and arrange windows via a customizable radial menu, k…
8011735active
Noctalia
Noctalia is a native Wayland desktop shell written in C++ that provides bars, launcher, notifications, lock screen, wallpaper, dock, contro…
8211411active
giampaolo/psutil
psutil is a cross-platform Python library for retrieving information about running processes and system utilization (CPU, memory, disks, ne…
7711294stable
tini
Tini is a tiny init system written in C designed to run as PID 1 inside containers. It spawns a single child process, reaps zombie processe…
2811269stable
siderolabs/talos
Talos Linux is a minimal, immutable, API-managed Linux distribution purpose-built for running Kubernetes. It ships no shell, SSH, or packag…
9611246stable
jemalloc/jemalloc
jemalloc is a general-purpose malloc(3) memory allocator implementation emphasizing fragmentation avoidance and scalable concurrency suppor…
8911241stable
xzhih/one-key-hidpi
A shell script that enables macOS HiDPI on non-retina displays by injecting display overrides, giving a native 'Scaled' option in System Pr…
3511140active
noah-nuebling/mac-mouse-fix
Mac Mouse Fix is a macOS application that enhances third-party mice with smooth scrolling, button remapping, and trackpad-like gestures. It…
9911125active
rr-debugger/rr
rr is a lightweight record-and-replay framework for Linux that captures the full execution of applications (process and thread trees) and r…
8810710active
i3 Window Manager
i3 is a tiling window manager for X11, written from scratch in C using xcb. It arranges windows in a tree structure, supports multi-monitor…
7710596stable
nix-community/home-manager
Home Manager is a tool for declaratively managing a user's home environment using the Nix package manager and Nixpkgs. It handles user-spec…
7710430active
bpftrace/bpftrace
bpftrace is a high-level tracing language and CLI tool for Linux that compiles one-liner scripts to eBPF bytecode via LLVM. It supports ker…
9710355active
noisetorch/NoiseTorch
NoiseTorch-ng is a Linux application that creates a virtual microphone with real-time noise suppression using RNNoise, working with PulseAu…
2310330active
wwmm/easyeffects
Easy Effects is a Linux desktop application that applies audio effects (limiter, compressor, convolver, equalizer, autogain, noise reductio…
7610289active
ophub/amlogic-s9xxx-armbian
A set of shell scripts and build tooling that produces Armbian (Debian/Ubuntu-based) images for Amlogic, Rockchip, and Allwinner ARM device…
9910168active
rgcr/m-cli
m-cli is a Swiss Army Knife command-line tool for macOS that lets users control system functions, manage utilities, and tweak preferences f…
719916active
Xiaomi Kernel OpenSource
Xiaomi's official open-source release of the Linux kernel sources for its phones and tablets, organized as one branch per device and Androi…
759858active
macfuse/macfuse
macFUSE is a macOS software package that lets non-privileged users create file systems in user space, with a kernel extension bridging to k…
949845active
Sparkle
Sparkle is a secure and reliable software update framework for macOS applications, serving as the de-facto standard used by thousands of ap…
989824stable
HyDE
HyDE is a shell-based theming and configuration framework that turns Hyprland-based Linux systems into a fully customized, aesthetic deskto…
879673active
Rocky Linux
Rocky Linux is a community-driven, open-source enterprise Linux distribution built to be 100% bug-for-bug compatible with Red Hat Enterpris…
109481stable
AppImage
AppImageKit is the reference tooling for the AppImage format, which packages desktop Linux applications as a single executable file that ru…
629437active
ronitsingh10/FineTune
FineTune is a free, open-source macOS menu bar app for per-app volume control, multi-device audio output routing, and a 10-band equalizer w…
719421active
pwr-Solaar/Solaar
Solaar is a Linux device manager for Logitech keyboards, mice, trackpads, and other peripherals connected via Unifying, Bolt, Lightspeed, o…
819402active
FreeBSD
The official publish-only Git mirror of the FreeBSD source tree, containing the complete kernel, userland, libraries, boot loader, and buil…
779398stable
vinceliuice/WhiteSur-gtk-theme
WhiteSur GTK Theme is a macOS Big Sur-style theme for GTK-based Linux desktops, supporting GTK3, GTK4, GNOME Shell, GDM, Flatpak apps, and …
919314active
ublue-os/bazzite
Bazzite is a gaming-focused Fedora Atomic (Kinoite/Silverblue) custom operating system image built with OCI tooling, pre-installed with Ste…
959201active
containers/bubblewrap
Bubblewrap is a low-level unprivileged sandboxing tool for Linux that uses user namespaces to let any user run processes in isolated contai…
938998active
Morganamilo/paru
Paru is a feature-packed AUR helper for Arch Linux, wrapping pacman to search, install, and upgrade packages from the Arch User Repository …
478990active
sveinbjornt/Sloth
Sloth is a native macOS application that displays all open files, directories, sockets, pipes, and devices in use by running processes, ser…
828968stable

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