rEFIt is described as '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' and is a Boot Manager in the os & utilities category. There are more than 10 alternatives to rEFIt for a variety of platforms, including Windows, Linux, Mac, BSD and Oracle Solaris apps. The best rEFIt alternative is GNU GRUB, which is both free and Open Source. Other great apps like rEFIt are EasyBCD, rEFInd - Boot Manager, OpenCore Legacy Patcher and EasyUEFI.