Links
Carlisle Group on GitHub
The Carlisle Group on GitHub. Public, open source APL projects of note and interest are pinned.
Dfns
The legacy of John Scholes.
Dyalog APL
Home of the best (and only choice) for the professional APL interpreter and development system - and free for non-commercial use. You can also use it free for commercial use if you have no revenue, and only pay when you make money- an excellent deal.
APL Wiki
All about APL.
APL Quest
Series of short videos covering phase 1 problems from past Dyalog APL competitions.
The Array Cast
Connor Hoekstra's APL podcast.
Learning APL
An introduction to APL by Stefan Kruger
APLCart
Vast collection of APL idioms and code snippets.
Bob Smith's APL Projects
Home of NARS2000 and more.
The APL Orchard
Get quick answers to questions. Lots of code golf chit chat.
Frederik Müller
Video solutions to SQL LeetCode and StrataScratch problems.