Live for Speed is described as 'Online racing simulator'. There are more than 10 games similar to Live for Speed for a variety of platforms, including Windows, Linux, Mac, Steam and Playstation. The best alternative is Need for Speed. It's not free, so if you're looking for a free alternative, you could try Real Racing or TORCS. Other Live for Speed like games are Forza Horizon (Paid), iRacing (Paid), Project CARS (Paid) and rFactor (Paid).
Need for Speed (also known by its abbreviation NFS) is a racing video game series published by Electronic Arts, originally released in the video game system "3DO" and later on the PlayStation and Sega Saturn.
TORCS, The Open Racing Car Simulator is a highly portable multi platform car racing simulation. It is used as ordinary car racing game, as AI racing game and as research platform. It runs on Linux (x86, AMD64 and PPC), FreeBSD, OpenSolaris, MacOSX and Windows.
Project CARS is a next-gen racing simulation available across multiple platforms including VR devices like Oculus and HTC Vive and featuring an unrivaled level of visual detail and realism. Represent entire series of Project CARS games including Project Cars, Project Cars 2.