Javascript libraries

From Null-pointer

• Script.aculo.us
• Prototype
• jQuery

Photo galleries

• FancyBox - MIT License
• Lightview - not commercial under Creative Commons by-nc-nd License, commercial under Creative Commons by-nd License. (used commercially)
• Color box - MIT License. (used commercially)

Other

• Ajaxload Ajax loading gif generator; Generated gifs are totally free for use
• Autocomplete - MIT/GPL
• Cufon javascript font library. - free

See also

• DHTML Widgets
• MIT License