Visualisation tools

	Topcat Full version from Mark Taylor
	for Mac : dmg installation

if you have message "TOPCAT is damaged and can't be opened, you should eject the disk image" or "TOPCAT can't be opened because it is from an unidentified developer"
use command xattr -d com.apple.quarantine TOPCAT.app

VOSpec (ESAC)

	Specview (STSCI) for Windows
	Specview (STSCI) for Linux
	Specview (STSCI) for Mac

	Aladin for Windows
	Aladin for Linux
	Aladin for Mac