• SAOimage DS9
• JS9: image display right in your browser

and on GitHub:

• js9: image display in your browser @ https://github.com/ericmandel/js9
• pyjs9: Python connection to js9 @ https://github.com/ericmandel/pyjs9
• pyds9: Python connection to ds9 @ https://github.com/ericmandel/pyds9
• xpa @ https://github.com/ericmandel/xpa
• regions: background-subtracted counts in regions + regions filtering library @ https://github.com/ericmandel/regions
• funtools (not supported but ...) @ https://github.com/ericmandel/funtools

Questions? Please contact me: Eric Mandel