The current version of TUI is 2.5.1. MacOS 10.6 and later: download TUI_2.5.1_Mac.dmg . Unix: download TUI_2.5.1_Source.zip and read Installing on Unix . Windows: download TUI_2.5.1_Windows.zip and read Installing on Windows . Older versions and pre-releases (if any) are available from the full repository . STUI (SDSS TUI) is available here: STUI Download . MakeGrid makes az/alt grids for TUI's Pointing Data script. You may download applications built for MacOS X . ...