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Kdb+ developers are active around the world and around the clock.

The online community for all kdb+ developers.
(The Google Group that preceded it is now archived.)


Developers from around the world share some of their best kdb+ code, libraries, and frameworks on GitHub.
Topic queries:   q   kdb   kdb-q
KX indexes a selection of them. Please send your kdb+ repository URLs to


StackOverflow has kdb+ questions and answers.


kdb+/k/q discussion: Code, blog posts, job ads



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If you have a suggestion for a Meetup presentation, please write to

Analytics At Speed

Presentations are on our YouTube channel.

Vector programming

Kenneth E. Iverson

Q is one of several array-programming languages based on the notation devised at Harvard by Canadian mathematician Kenneth E. Iverson.

Iversonians: users of the APL, J, k, and q languages

The Array Cast

Algorithms + Data Structures = Programs

Vector, the journal of the British APL Association, exploring vector programming since 1984

KX provides direct support to licensed customers