OSI-Approved Open Source (171)
- GNU General Public License version 2.0 (110)
- BSD License (33)
- GNU General Public License version 3.0 (29)
- GNU Library or Lesser General Public License version 2.0 (27)
- MIT License (15)
- Academic Free License (4)
- Apache License V2.0 (3)
- GNU Library or Lesser General Public License version 3.0 (3)
- Mozilla Public License 1.1 (3)
- Adaptive Public License (1)
- Apache Software License (1)
- Apple Public Source License (1)
- Common Development and Distribution License (1)
- Common Public License 1.0 (1)
- Eclipse Public License (1)
- Other License (12)
- Public Domain (11)
- Creative Commons Attribution License (3)
- Grouping and Descriptive Categories (196)
- Linux (188)
- Windows (151)
- Mac (147)
- Android (137)
- Modern (36)
- BSD (23)
- Other Operating Systems (19)
- Emulation and API Compatibility (9)
- Virtualization (8)
- Operating System Kernels
- Systems Administration
- Software Distribution
- System Shells
- Distributed Computing
- Embedded systems
- Home Automation
- OS distribution
Yarrwin is a fork of Apple's Darwin, created with the intention of simplifying creation of Darwin-based distributions and addition of novel software features to the Darwin platform.
Customize Kernel 64-Bit Operating System
productive container platform
DSLinux is a Linux port for the Nintendo DS game console.
Free Operating System
Full fledged Operating System for Atmel AT91SAM processors
librestep is a progressive effort to produce a free, modern and stable OS distribution. To get librestep download and configure TOR and GNUnet then follow the onion link. Bug tracking, SCM, support forums, and some documentation is housed here.
Embedded Linux platform, automatically built from source, for variety of network services including Asterisk. Based on astlinux and ptxdist projects.
MCSys, Mateo Control System, ICS
Linux for Media Receivers
open source analogue of IBM OS/2 operating system
Pearwin is a unix like operating system, written in C, C++, Assembly, and other languages. This is a hobby/home OS, designed for home use, but can be professional (if you can find an application!).
picoTux is a small, Linux-based operating system that comes with a web management console. Its main objective is to be user friendly. You can install "addins" into picoTux that adds various functionality, such as a game server or web server.
UC Berkeley release of Plan 9 under the GPLv2
The ppcOS is a hobby operating system.
The goal of praesidium is to develop a multifunctional distribution of Linux meant to provide a solid basis for network and network security appliances such as a firewall, IDS, and an HTTP or SMTP proxy
64-bit operating environment.
simbolz is a project which wants to create a new, totally logical, simple free language and computer-system. It should be usable as an programming language and, for communication between humans, and it wants to be able to explain complex structures.
slick (Staticly-Linked Installation Costruction Kit) is an experimental linux distribution aimed to deliver most unixy experience possible.
x86Boot allows the creation of applications that are executed in place of the operating system and it is mainly based on the use of the BIOS services. The main goal is the use of old PC without the overload given by a big OS.
The deepOfix Mail Server makes it possible for organisations with minimal technical expertise to have robust server infrastructure. It offers unprecented ease of use, doesn't require prior GNU/Linux experience and is backed by a full-time support team.1 weekly downloads