The Kernel Intrusion Detection System-KIDS, is a Network IDS, where the main part, packets grab/string match, is running at kernelspace, with a hook of Netfilter Framework. The project is not ready for use, then incomplete pieces of code may be found.
yaMOS stands for: yet another "My Operating System". This is a hobby Operating System, let's see to what it develops... At the moment it's only a kernel written in C++ and Assemly.
Uniform Driver Interface -- Public Source Code for runtime environments and drivers based on the UDI Specifications. Single source image for a driver, built once for each ABI (IA32, Sparc, etc.) and then run on any OS that provides UDI!
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Entirely source-based system. The goal is to provide extremely flexible but easy-to-compile Linux-like OS ready for SSI clusters. Installation procedure is network-independent and automated.
FreeOS/1 is a Free, Open Source, FreeDOS based Free and Open Source Alternative OS, with open source Microsoft Windows compatibility using HXDOSExtender KernelEx,and ReactOS source code. FreeOS/1 will include new technologies and will be easy to use
Free and simply RTOS for AVR at assembler. So far, the AVR Studio is used as a development environment. The system supports the preemptive and cooperative multitasking modes, semaphores. Use a small amount of memory for tasks.
It is a minimal linux like kernel for x86 architecture. It is mostly the source code from the tutorial "Roll your own toy UNIX-clone OS" written by James Molloy: http://www.jamesmolloy.co.uk/tutorial_html/index.html It is encoded in a bash script.
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Modest is an LKM piece of code that allows users, running a user-space control application which interacts with kmodest char driver using ioctl() syscalls, to redirect I/O write() or writev() system calls to a second file descriptor at runtime.
Crocos is a small opensource UNIX-like kernel, designed with simplicity in mind, for educational purposes. It is developed in several steps to allow people to understand how a tiny operating system can be built from scratch.
CooCox CoOS is an Embedded RTOS specially for ARM Cortex-M3. It is a real-time multitask kernel which accords with CMSIS ( Cortex Microcontroller Software Interface Standard ). It is a free and open real-time Operating System.
The objectives of OCERA is the design and implementation of a library of free software components for the design of embedded real-time systems. These components will be used to create flexible, configurable, robust and portable embedded applications.
The goal of this project is developing completly free linux environment for Siemens SX1 mobile phone and for any smartphone in the future. Our targets are small size and fast speed.
DOGTOWN - Free Software & Tools for administrators ||| please read the Release Notes or docs @ http://dogtown.mare-system.de for a description of each package
Linksys kindly provides a tarball with source code to the NAS200 firmware which can be used by users to build their own firmware, and add improvements. This project will be the place where those improvements are gathered.
SimpleAVROS is RTOS designed special for AVR microcontrollers. Supported Compiler - AVR Studio. Language - Assembly. This is RTOS consist of source code. Supported microcontrollers - ATmega48; In the future- ATmega88/168, ATmega164/324/644, AT90usb82/162
Real Time Minix is an operating system designed for experimenting and learning Real Time OS concepts. This OS is the modified version of Minix3.1.3 and Minix4RT. Also interested learners can become developers.
Perl-based syslog watcher that matches certain login failures (SSH, FTP, POP3) and can dynamically block and email an alert, helping to monitor and manage hosting servers. NOTE: Although no recent updates, I'm still able/willing to update this code.
A small micro operating system kernel written in C (and partly assembly).
Planned features are: software based preemptive multitasking/threading, paging, kernel API, IPC, client/server, security system.
The code is designed to be clearly understandable.
Jinx is a minimalistic graphical operating system for use on old computers with 64MB RAM. Suitable for desktop,business,library use. Includes browser, office applications in 50MB ISO. Optimized for tiny size.