| Research Project | Project End |
| Tycoon-2 - A higher-order object-oriented programming language for distributed and persistent systems | 1999 |
| Style - A reflective object-oriented database modeling workbench | 1996 |
| TooL - Orthogonal integration of higher-order subtyping and type matching | 1995 |
| Tycoon (FIDE-2, Pastel) - System integration with orthogonal persistence, mobility and higher-order polymorphism | 1995 |
| DBPL - A Database Programming Language based on Modula 2 | 1991 |
