APL Wiki
Utilities
Contents
Up-to-date stuff
Phrasebook
A wiki with vendor independent phrases. The phrases are well-documented with examples and test cases with an entire page per phrase. Technically up-to-date. However, due to the definition of what a phrase is (single line of APL without statement separators) this collection is limited.
Dyalog Utilities
A couple of Dyalog-specific utilities.
Older stuff
The FinnAPL Idiom Library
Although vendor independent quite a few of these idioms are also somewhat outdated:
Yale Idiom List
Perlis & Rugaber, 1977. Vendor independent but a bit dusty.
APL2 IDIOMS Library
Over 650 APL2 phrases for IBM's APL2 and compatible APLs (e.g. APL+Win, APLX)