Alternatives to UltraISO for all platforms with Free License

Rufus

Rufus is a small utility that helps format and create bootable USB flash drives, such as USB keys/pendrives, memory sticks, etc.

Free Open Source Windows PortableApps.com
Create bootable USB Lightweight Burn iso Bad Blocks checking ... Create BIOS bootable drive Create bootable Image Create UEFI bootable drive Install DOS to USB GNU/linux-libre Optimal performance Portable Support for UDF extension UEFI Support USB to FAT USB to NTFS USB to UDF Add a feature

844 Like
WinCDEmu

WinCDEmu is an open-source CD/DVD/BD emulator - a tool that allows you to mount optical disc images by simply clicking on them in Windows Explorer. If you have...

Free Open Source Windows PortableApps.com
Lightweight Ad-free Disk Imaging Mounting drives ... Multiple languages Portable Add a feature

414 Like
DAEMON Tools

DAEMON Tools Lite is an advanced application for Microsoft Windows which provides one of the best optical media emulation in the industry. You can mount *.mdx...
- Bundleware Lite installer contains ads. Be careful during the installation: https://alternativeto.net/discussions/applications/11718/be-careful-in-the-installation/
Freemium Mac Windows
Disk Imaging Portable Add a feature

932 Like
Virtual CloneDrive

Virtual CloneDrive works and behaves just like a physical CD/DVD drive, however it exists only virtually. Image files of various formats (.iso, .bin, etc) can be mounted...

Free Windows
No features added Add a feature

365 Like
ImDisk Virtual Disk Driver

ImDisk is a virtual disk driver for Windows NT/2000/XP/Vista/7/8/8.1 or Windows Server 2003/2008/2012. It can create virtual hard disk, RAM Disk, floppy or CD/DVD drives...

Free Open Source Windows BSD
Disk Cloning Multiple languages Support for UDF extension Add a feature

64 Like
AnyBurn

AnyBurn is a light weight but professional CD / DVD / Blu-ray burning software that everyone must have. It provides a free and complete solution for burning.

Free Windows
Create bootable USB Portable Lightweight Add a feature

28 Like
Alcohol

Alcohol is a powerful Windows CD and DVD burning software that makes it easy to create backups of DVDs* and CDs. In addition, the program lets you store your most used...
- Bundleware The free version of Alcohol 52% contains an optional adware toolbar bundled. It also installs Smart File Advisor without allowing you to uncheck this option during setup.
Freemium Windows
Built-in Burner Add a feature

118 Like
cdrtfe

A small open source CD/DVD burning application for Windows. cdrtfe is a win32 frontend for the cdrtools (cdrecord, mkisofs, readcd, cdda2wav), Mode2CDMaker and...

Free Open Source Windows PortableApps.com
Disk Cloning Audio Extraction Portable Add a feature

46 Like
AcetoneISO

AcetoneISO, is a feature-rich and complete software application to manage CD/DVD images. Thanks to powerful open source tools such as fuseiso, AcetoneISO will let You...
- Discontinued The latest update on SourceForge was on 2013-10-25.
Free Open Source Linux
Convert DVD to AVI Add a feature

48 Like
MagicISO

MagicISO is a powerful CD/DVD image file creating/editing/extracting tool. It can open / create / edit /extract CD/DVD image files, and it can convert bin to iso and...
- Discontinued The program is no longer updated. Last version, 5.5(build 281), released in February 2010, can be still downloaded from the official website.
Freemium Windows
No features added Add a feature

96 Like
AnyToISO

[Lite version is totally free but it cannot deal with files greater than a regular CD size (870 MB) ]. As the name suggests, AnyToISO Converter promises to convert...

Freemium Mac Windows
Disk Imaging Add a feature

10 Like
Iso Master

[You need a C compiler to install it from source.] ISO Master is an open-source, easy to use, graphical CD image editor for Linux and BSD. Basically you can use this...

Free Open Source Linux
No features added Add a feature

10 Like
CDemu

CDEmu is a CD/DVD-ROM device emulator for linux, licensed under GPL v2 or later. It is a from-scratch rewrite of the legacy CDEmu project, which was started by Robert...

Free Open Source Linux BSD
No features added Add a feature

16 Like
ISO Workshop

ISO Workshop is a free application designed to facilitate disc image management, conversion and burning operations. It supports a wide range of commonly used disc image...
- Bundleware Installer defaults to installing ByteFence and Yahoo search extension, there is an option to not install these.
Free Personal Windows
Disk Imaging Add a feature

9 Like
Pismo File Mount Audit Package

Pismo File Mount Audit Package is an application that allows users to mount the contents of ZIP, ISO, Compact ISO, Compact File Set and Private Folder files to the file...

Free Mac Windows Linux
ZIP File Mounting Add a feature

20 Like