TASO - an APL toolbox for financial planning. - Tauno Ylinen; Pekka Lahti (APL, 1983)

APLGRAPH - how to develop graphics software without really trying. - Tauno Ylinen (APL, 1985)

The FinnAPL keyword editor. - Juhani Sandberg; Olli Paavola; Tauno Ylinen (APL, 1987)

Assembler Utility Functions for APL2/PC. - Tauno Ylinen (APL, 1991)