Haiku OS

Haiku is a free and open source operating system that maintains x86 BeOS compatibility while updating to modern hardware and different architectures (but x86 BeOS compatibility only applies to x86 systems). Haiku developers include a person dedicated to a "Game Kit" and another person dedicated to an "OpenGL Kit" to aid in development and operation of Haiku games and Haiku game APIs. In 2012 OpenJDK was added to Haiku, ending a long struggle due to the lack of availability of an updated Java for the BeOS family of operating systems. Haiku has an up-to-date mesa for OpenGL, has SDL, and has Lua. Python, Galium, Flash, HTML5 are still lacking but there has been progress with Flash using the Gnash libraries.

As of Haiku OS Alpha 4 (2012), this operating system is still only suitable fo hobbiests. To download play most games, or play the BeOS game you already own/have, requires a great deal of hunting down libraries and system files. Knowledge there is a difference between GCC2 and GCC4 and what compatibilies are broken when GCC4 is used is needed. Ability to run a game from the terminal (command-line) is often needed. However, what is not needed is a high-end system. Haiku runs many games at playable speed on a 400z Pentium 2 CPU and 128mb RAM. It also fits in 700mb of drive space. So you can install it to a thumbdrive and boot it on an old computer.

TiltOS is not, as the name would otherwise suggest, an opration system or alternate distrobution of Haiku. Rather it is merely a front-end for a Haiku package manager. ie: Its a poorly named fancy GUI to install and unintall Haiku applications.