Grub2Win - Safely dual boot Windows and Linux without touching the Windows MBR.
GRUB - Multiboot boot loader
EasyUEFI - Manage EFI/UEFI Boot Options & Manage EFI System Partitions & Fix EFI/UEFI Boot Issues
Systemd-Boot - Systemd-Boot, formerly known as Gummiboot, is one of the simplest UEFI boot managers that lets you boot Linux and Windows in EFI mode even if the system is BIOS only supported.
Visual BCD Editor - Visual BCD Editor - advanced GUI version of bcdedit utility. for Windows 7/8/10 and Vista
U-Boot - Das U-Boot (the Universal Bootloader) and Embedded Linux