For performance reasons, internal GTK structures are used to minimize memory allocations. The internal structure of GTK changed between 2.4 and 2.6, and will likely change again in 2.8.
tupim 1.5 works with GTK 2.6 -- only.
Shows a complicated schema with lots of data. Notice recordstrings from lookup tables are in parenethesis, and also notice Nested lookups.
It's really more of an MSAccess clone than anything else. Warning: Big!
Hierarchical personal data manager. Schemas and data are stored in XML. Uses GTK2. Designed for single users, small, personal databases.