Top Alternatives to UNetbootin

Rufus is a free, open-source utility designed to format and create bootable USB flash drives from various bootable ISOs including operating systems like Windows and Linux. It is known for its speed, ease of use, and comprehensive support for different bootable formats and partition schemes.

Universal USB Installer (UUI) is a robust tool designed to simplify the process of creating bootable USB drives for various operating systems and utilities, primarily focusing on Linux distributions. It allows users to easily create Live Linux USB drives with persistence, making it a popular choice for system administrators, developers, and enthusiasts.

Etcher is a free and open-source utility designed for flashing operating system images to SD cards and USB drives. Built with modern web technologies, it provides a simple, secure, and reliable way to create bootable media with features like validated burning and error prevention.

LinuxLive USB Creator (LiLi) is a free Windows application designed to simplify the process of creating bootable Live USB drives for various Linux distributions. It offers a user-friendly interface and supports a wide range of Linux distributions, making it an accessible tool for users looking to experiment with or install Linux from a USB stick.

WinToFlash is a versatile tool designed to simplify the creation of bootable USB drives from various Windows installation sources or ISO images. It supports transferring setup files from DVDs, CDs, or ISO files, enabling users to install Windows or run utility environments directly from a USB flash drive.

Win32 Disk Imager is a utility designed for writing raw disk images to removable devices such as USB drives and SD/CF cards. It is primarily used for creating bootable media, such as operating system installation drives or rescue disks, and for backing up and restoring data on these devices.

WinSetupFromUSB is a powerful Windows utility designed to create bootable multi-OS USB drives for installing Windows and various Linux distributions. It's a portable tool, offering considerable flexibility for system administrators and users needing to install multiple operating systems from a single USB drive.

Easy2Boot is a highly flexible and portable utility that allows users to create multi-boot USB drives capable of booting numerous operating systems, recovery tools, and utility suites from a single USB device. Its drag-and-drop functionality and wide format support make it a go-to solution for creating custom bootable media without complex configuration.

RMPrepUSB is a robust and versatile Windows application designed to create bootable USB drives for various purposes, including installing operating systems, running diagnostic tools, and creating multi-boot media. It supports a wide range of file systems and bootloaders, making it a preferred choice for system administrators, IT professionals, and enthusiasts.

dd is a core Unix/Linux command-line utility designed for low-level copying and conversion of data. It can duplicate blocks of data from one file or device to another, serving various purposes including disk imaging, data recovery, and creating bootable media.

DiskMaker X is a utility designed exclusively for macOS to easily create a bootable drive from an official macOS installer application. It simplifies the process of creating bootable USB drives, SD cards, or other non-mounted volumes for installing or troubleshooting macOS.