U can use for YAL following viewers:

Kirstens Viewer S21(8):

Windows

Linux

Appel

Shortcut for start YAL with Kirstens Viewer

The Hippo OpenSim Viewer 0.6.3:

Windows: Hippo_OpenSim_Viewer_v0.6.3_Windows_Setup.exe

Linux: Hippo_OpenSim_Viewer_v0.6.3_Linux_Setup.zip

The Imprudence Viewer 1.3.2:

Windows / Windows+SSE2

Linux 32-bit / Linux 64-bit

Intel Mac

The Imprudence Viewer 1.4.0 :

Windows

Linux 32-bit / Linux 64-bit

The Second Life Viewer:

Windows: Second_Life_2-7-4-235167_Setup.exe

Shortcut for start YAL with SL Viewer

The Second Life Mesh Viewer:

Windows: Second_Life_2-8-1-235674_ProjectViewer-Mesh_Setup.exe

Shortcut for start YAL with Project Viewer-Mesh

The CoolVL Viewer:

Windows: CoolVLViewer-1.25.0.37.exe

This package contains the files necessary to turn the official Snowglobe viewer v1.4.2 into a Cool VL Viewer v1.25.0. You must first install the official viewer (download it), then install this diff package into the installed directory.

Linux: CoolVLViewer-Linux_i686-1.25.0.37-diff_files.tar.bz2

This tarball contains the files necessary to turn the official Snowglobe viewer v1.4.2 into a Cool VL Viewer v1.25.0. You must first install the official viewer (download it), then untar this diff tarball from inside the installed directory.