TREEFIC is looking for beta testers. Official Site – treefic.com
TREEFIC draws/builds family trees online, allows people to collaborate online, you record as much info as you like per person (including photos), it can read/write GEDCOM files, and you and your family can work/edit entirely online with no downloads or installs and no Java. You can also zoom in and out in regards to what is displayed to you.
Also – The software has a PDF printing function that can allow family members to print from the tree.
Beta testers sign up here