ZoneMinder is video and cctv surveillance and security application. It supports multiple video or IP cameras and a sophisticated motion detection system based around zones. Both live streams and historic events can be viewed via the web interface.
phpexiv2 is a wrapper for direct access from PHP to the Exiv2(exiv2.org) library. It allows to retrieve and change EXIF, IPTC and XMP digital photo information. As phpexiv2 is written in C++ and does not use system calls, it is faster than other methods.