The best free alternative to CrossOver is Wine, which is also Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to CrossOver and many of them is free so hopefully you can find a suitable replacement. Other interesting free alternatives to CrossOver are WinBoat, Lutris, Proton and PlayOnLinux - PlayOnMac.
Allows use of Windows applications, such as Microsoft Office and Adobe software, directly within Linux desktops like GNOME or KDE, using background RDP virtualization and providing file right-click access, home directory mounting, and one-command setup.
WineBottler is an App to manage and wrap your Windows apps into convenient OS X apps. WineBottler helps you with running Windows programs on OS X.
Pegasus is a graphical frontend for browsing your game library (especially retro games) and launching them from one place. It's focusing on customizability, cross platform support (including embedded devices) and high performance.
Phoenicis is a graphical front-end for Wine, a tool to help Linux and Mac users run games and programs for Windows. The future of PlayOnLinux and PlayOnMac.
Install and manage GE-Proton, Luxtorpeda & more for Steam and Wine-GE & more for Lutris with this graphical user interface.
Q4Wine is a qt4 GUI for wine that will help you manage wine prefixes and installed applications
A simple and lightweight app for running Windows games using UMU-Launcher.
Steam emulator that emulates steam online features. Lets you play games that use the steam multiplayer APIs on a LAN without steam or an internet connection.
WineZGUI (pronounced Wine-Zee-Goo-Eee) is a wine frontend for playing windows games with wine easily. It is a collection of Bash scripts for Wine Prefix Management and Linux Desktop Integration for easier wine gaming experience using Zenity.
Canada
Germany
EU
Hungary
Norway
It's much more complicated than Crossover. CrossOver is simple to use and WineBottler is much more complicated