Some additional repos to consider:
FlexGIS — FlexGIS allows end-users to perform basic geospatial analysis in a Flash frontend, without having to be familiar with standard GIS tools. Users can combine layers on-the-fly, to create advanced data visualizations.
HXL-Geo2HXL — Tools for converting GIS data to HXL format
Once a week...... I send out a list of most interesting PHP libraries and apps.
Want to get it?