Nail is a GIS tool for displaying and querying spatial data through a web interface. Point, line and polygon vector data can be loaded from shapefiles and displayed on the map. Labels and attributes can also be displayed.
Musmap is a web interface to UMN mapserver. It provides users and profiles management, advanced queries and selections, automatic decodification of columns with joins, easy-to-use configuration (colors, ...)... and so on.