Piwigo is photo gallery software for the web, built by an active community of users and developers. Extensions make Piwigo easily customizable. Icing on the cake, Piwigo is free and opensource. You can get started with Piwigo by auto installing it via Softaculous.
Piwigo offers a wide set of features for any photo gallery.
1. Upload your photos :
You can add photos with the web form, any FTP client or a desktop application like digiKam, Shotwell, Lightroom, iPhoto, Aperture. iPhone/Android applications.
2. Organize with Albums :
Distribute your photos among your own albums. The album tree has unlimited depth. Each photo can belong to several album.
3. Describe with Tags :
Offer your visitors another way to browse your photos, starting from the tags cloud and using multiple related tags to reduce the selection.
4. Browse by Dates :
Digital cameras store the date in the photo and Piwigo uses this date to display your photo collection in a calendar and let you browse from day to day.
5. Privacy on your Photos :
Make your photos private and decide who can see each of them. You can set permissions on albums and photos, for groups or individual users.
6. Themes and Plugins :
Change appearance with themes. Add features with plugins. Extensions require just a few clicks to get installed. 350 extensions available, and growing!
7. A Great Place For Your Visitors :
Your visitors can post comments, give ratings, mark photos as favorite, perform searches and get notified of news by email or RSS feed.
8. Piwigo in your Language :
Piwigo is available in 45 languages. In a single gallery, you can describe photos in several languages. Translators are also collaborating with plugin creators. You can choose your desired language on the install form while installing via Softaculous.
9. Statistics and Management Tools :
Administrators can browse history, process photos in batch mode, validate comments and user photos, add permalinks or manage remote servers.
Source : http://piwigo.org