Strange Loop

Sept 30 - Oct 2, 2021


Union Station


St. Louis, MO

Meet us in St. Louis to make connections with the creators and users of the languages, libraries, tools, and techniques at the forefront of the industry.



The Strange Loop 2021 conference takes place Oct 1st-2nd with a party on Sep 30th.

This event is in-person. Please read the COVID FAQ for current plans.

See the registration page for prices and info.

NEW! See the virtual attendee page for virtual streaming access.


The optional preconf day takes place on Sep 30th. All preconf events on Sep 30th are optional and are NOT included in the Strange Loop conference rate. Most preconference events require pre-registration and an additional fee.


The 2021 conference will be held at the Union Station Hotel. Preconference is on Sep 30 and main conference is Oct 1st - 2nd in downtown St. Louis. The Union Station Hotel is the official conference hotel and Hilton Ballpark is our official overflow hotel.

2021 Platinum Sponsors

See all 2021 sponsors