HiAlbum (Free)
HiAlbum is a powerful cross-platform image / photo gallery solution for websites, with a password protected online editing system where multiple albums can be managed, plus the ability to change fonts, image layout, image and album order, edit templates, add alternative album sections and set image dimensions. External HTML templates means the look of HiAlbum can be tailored for your website, and three online edit modes means it has never been easier to create and update an online photo album. HiAlbum supports thumbnails and enlarged photos, both with captions. Enlarged photos have the own navigation system allowing users to navigate directly between enlarged photos.