Developer Kernel Editions The TatukGIS Developer Kernel (DK) is available as multiple product editions, each compiled natively for a particular development platform. Each edition features the same comprehensive API and extensive functionality, except for differences required by the different technologies. The DK is licensed by edition for a particular platform or as an Enterprise package aggregating support for all available platforms and advanced spatial databases (e.g., PostGIS, Oracle Spatial, and most others.). Delphi .NET ASP.NET ActiveX Java Python Enterprise