monoGIS will be a complete GIS suite for the Mono platform. The current milestone release includes an internet mapserver, OGC WMS implementation and some tools like spatial format conversion. For other projects using monoGIS see mdwglib and Appomattox.
Copper is a GUI tool to aid developpers using Oracle or MySQL. It presents sql query results in a table. You can select/update/insert etc. Copper supports single click updates, syntax highlighting and lets you browse your tables and columns.