Software

Programming languages	Euler (1965) → PL360 (1966) → ALGOL W (1966) → Pascal (1970) → Modula (1975) → Modula-2 (1978) → Object Pascal (1986) → Oberon (1987) → Oberon-2 (1991) → Lola (1995) → Active Oberon (1998) → Oberon-07 (2007)
Operating systems	Oberon System (1987) → Active Object System (AOS, 2002), Bluebottle (2005), A2 (2008)
Formalisms	Wirth's law Wirth syntax notation Wirth–Weber precedence relationship
Books	Algorithms + Data Structures = Programs

Lilith (1977) → Ceres (1985)

Workplaces

Collaborators

Awards