Tech Maven Geospatial is very proud to be launching a Map Portal service called Orange Maps Studio (available soon at http://orangemaps.studio )
This is a truly innovative product that offers features and capabilities found in no other portal solutions. Advanced administrative functions that make it super quick to publish map data and create map data. Allow users to mash up their local and web file based and Map Service data with your data. Allow users to annotate maps and draw points lines and polygons and save as GeoJSON.