Boot OS X, Windows, and Linux on Mac or PC with UEFI or BIOS firmware
If you are unable to configure correctly please visit https://sourceforge.net/p/cloverefiboot/discussion/. If you have discovered a bug, or wish to request a feature, please open a ticket at https://sourceforge.net/p/cloverefiboot/tickets/.
An EFI boot manager utility
rEFInd is a fork of the rEFIt boot manager. Like rEFIt, rEFInd can auto-detect your installed EFI boot loaders and it presents a pretty GUI menu of boot options. rEFInd goes beyond rEFIt in that rEFInd better handles systems with many boot loaders, gives better control over the boot loader search process, and provides the ability for users to define their own boot loader entries.
Boot menu and maintenance toolkit for EFI-based machines
rEFIt is a boot menu and maintenance toolkit for EFI-based machines like the Intel Macs.
Alternative PE to rescue, hack or troubleshoot your machine or network
TeutonPE is inspired by PortableApps.com combined with a PeBuilder compiled Boot USB / CD. Programs can be used, even when there is no OS installed. BB4win is used for Live Menu and as the default Shell.All Plugins are also BartPE & XPE compatible
mbldr is a boot loader which fits into first sector of an HDD (MBR). It allows to choose which partition to boot and is intended to replace an MBR coming with DOS/Windows (fdisk /mbr). It may boot OSes above 1024cyl, Linux/BSD are also supported.
DruidBSD is a FreeBSD micro-distribution that supports CD/DVD, USB, and HD booting into a Live BSD Distribution.
A Debug style tool for OS Free systems
BootDebug is kind of an odd ball tool. It boots up like an OS (using Grub) but is not really an OS at all. What it provides is a tool to look at the system in a very pure state, allowing you to see exactly what is going on at they very start of the system powering up.
MinopsOS is a tiny operating system for PC computers.
MinopsOS is a tiny operating system for PC computers. It's small enough to fit inside the boot sector of a floppy disk.
The goal of llama-X is to be a cutting-edge desktop operating system for the x86 architecture. A new object-oriented filesystem, and a fresh new desktop paradigm, and an innovative multikernel subsystem are main features of the system.
First practical dynamic system performance analyzer
Windows application displaying a system tray icon and notifications about system responsiveness at the moment. When the system is busy with finishing its loading after reboot - you'll get a notification when the system is really ready to work. On next reboot it will display a countdown clock with estimated time to wait before full system readiness.
Secondary bootloader for LPC1226 and similar
Firmware using RAM located Interrupt pointers AES encryped Firmware
A Unix-like (Not compleatly Unix-compatible) Kernel. Right now, we have (very limited support) of 80486+ IBM-PC AT compatibles. Written in C, and assembly. No network support planned for the forseeable future.
Minerva's primary goal is security. To allow all users to feel safe and secure but have the freedom to do what ever they want. We also want a fast easy way to bring every linux and windows o/s together.
NewOS - Yet another operating system.
The Trion Object Oriented Operating system is an OS that is designed to meet the needs for the 21st century, with a kernel written in C++ and modelled in UML, and lots of features. The project is run by a team of OSDev.org community members.
eINIT is a replacement for the long standard sysvinit. It aims to be yet one of the fastest and most configurable init systems around.