GRUB4DOS and WINGRUB AlternativesBoot Managers and other similar apps like GRUB4DOS and WINGRUB

GNU GRUB is a multiboot boot loader. It was derived from GRUB, the GRand Unified Bootloader, which was originally designed and implemented by Erich Stefan Boleyn.

Grub Customizer is a graphical interface to configure the GRUB2/BURG settings and menuentries.

Safely dual boot Windows and Linux without touching the Windows MBR.

Grub2Win installs to Windows 8, Windows 7, XP, 2000 or Vista. It boots native, open source GNU grub version 2.00 code. Everything is contained in one 7 MB directory on your Windows C: drive.

The simple Windows.

Limine is an advanced x86/x86_64 BIOS and UEFI bootloader that supports modern PC features such as Long Mode, 5-level paging, multi-core startup, and more thanks to the stivale and stivale2 boot protocols.

rEFIt is a boot menu and maintenance toolkit for EFI-based machines like the Intel Macs. You can use it to boot multiple operating systems easily, including triple-boot setups with Boot Camp. It also provides an easy way to enter and explore the EFI pre-boot environment.

The development of LILO as classic bootloader for GNU/Linux systems was restarted in June 2010. Because of the simpleness LILO has some advantages comparing with Grub and Grub2. But nowadays LILO is not the bootloader for all situations. But LILO is longtime proved and stable.

VBoot allows you to boot a physical computer from a single virtual disk file in VHD/VMDK/VDI/Raw format. Each file contains a single operating system. It supports Windows 2000, Windows XP, Vista, Windows 7, 2003 Server, 2008 Server and Linux 2.6, 32- and 64-bit.

BootIt Bare Metal is a boot manager and partition manager software utility. Whither you want to do non-destructive repartitioning or boot multiple operating systems, this is the product for you.

Burg is a brand-new boot loader based on GRUB. It uses a new object format which allows it to be built in a wider range of OS, including Linux/Windows/OSX/FreeBSD, etc.

Used to edit boot configuration data on Windows systems. Predecessor of bcdedit. Found on Windows XP and prior versions.

GAG (initials, in spanish, of Graphical Boot Manager) is a Boot Manager program. It's loaded when the computer is turned on and allows you to choose the operating system you want to use.

OSL2000 is an advanced multi boot manager. Using OSL2000 boot manager, you can directly install, boot and manage upto 100 independent OSs in your computer.