Dyalog '26 starts on 12 Oct - Visit the event website

More thinking. Less code.

Approach problems like never before

Dyalog APL is an array-oriented programming language that lets you express complex ideas in remarkably little code.
We build it, support it, and have done for over 40 years.

No install needed. Try APL in your browser.

Full commercial support · Source code escrow · Windows · Linux · macOS · Raspberry Pi

Explore Dyalog

Try Dyalog free for educational and non-commercial use, get started or view the docs.

Examples powered by tryAPL

Upcoming Events | Latest News

Winners of the APL Forge 2026 Announced

Meet the two winners of the 2026 APL Forge and the projects that earned them top honours.

in Competitions

Registration open for Dyalog '26

Join us in Eastbourne, UK, from 12–16 October to exchange ideas, learn, and meet the Dyalog team.

in Events

Asher, welcome to Dyalog

Meet Asher Harvey-Smith, a Dyalog developer working on the interpreter, performance, and correctness.

in Team Dyalog

Take the APL Challenge

Join the APL Challenge and transform ideas into code. Not a programmer? No problem! We’ll guide you.

in Competitions

Dyalog v21.0 is now available

Dyalog version 21.0 is now available for Windows, IBM AIX, Linux, Raspberry Pi, and macOS.

in Announcements

Trusted for over 40 years

Dyalog is used by organisations worldwide to build and run important business systems.

Dyalog APL is cost efficient. Dyalog have kept the language modern, and feature rich. It integrates with modern technology.

Niels Hallenberg, SimCorp

Dyalog APL is cost efficient. Dyalog have kept the language modern, and feature rich. It integrates with modern technology.

Niels Hallenberg, SimCorp

Dyalog '26 starts on 12 Oct - Visit the event website

More thinking. Less code.

Approach problems like never before

Explore Dyalog

Trusted for over 40 years

Dyalog APL is an array-oriented programming language that lets you express complex ideas in remarkably little code. We build it, support it, and have done for over 40 years.

Free for education and non-commercial use.

New to Dyalog

Using Dyalog

For Business

Company