AdPlug is a free, cross-platform, hardware independent AdLib sound player library, mainly written in C++ and released under the LGPL. AdPlug plays sound data, originally created for the AdLib (OPL2) audio board, directly from its original format on top of an OPL2 emulator or by using the real hardware. No OPL chip is required for playback.

AdPlug itself is just the backend to many different audio player frontends, which are also being developed here. There are plugins for popular audio players, like Winamp and XMMS, as well as stand-alone players for many different systems available ...

Oldsk00l MOD player is an input plugin for WinAmp.

It replaces the .mod player (.mod only, not .xm and .it) that comes with WinAmp with one that's more compatible with old Amiga MODs. It detects SoundTracker, NoiseTracker, StarTrekker etc and handles them correctly.

It also supports all versions of Future Composer and Brian Postma's SoundMon files for those old crack-intro tunes we all know and love, and there's also support for SoundFX 1.3.

Through a small Amiga emulator it also plays modules with the player embedded, currently Jochen Hippel, Maniacs of Noise, Delta Music 2.0, SidMon 1, David Whittaker, Music Assembler, Fred Monitor, Mark II and DeliTracker CUSTOM ...