A running chronicle of 836 websites across 22 subject sections. Browse the record, or file your own site with Threshold66.
Find the section that fits your site and submit your URL. Each submission is reviewed by hand — the process takes less than a minute. Free to submit, free to browse — no subscription, no fees.
+ Chart your siteThreshold66 is a web directory — a running chronicle of 836 websites sorted into 22 subject sections. It is a freely browsable record of the open web, maintained by editorial review.
Yes. The chronicle is open to everyone at no charge. No registration or subscription is required to browse the entries.
Yes. Filing a listing with Threshold66 costs nothing. Find the section that fits your site, submit your URL and a brief description, and your entry will be reviewed for inclusion.
Most submissions are reviewed within a few days. The review is a brief editorial check to confirm the site is active and that the description is accurate.
The chronicle accepts sites in any language. The directory is international and subject-sorted rather than language-filtered.
Threshold66 uses 22 subject sections, from specialist categories such as Dental Services and Print & Production to the broader Open Register for sites that span multiple subjects.
The chronicle maintains a unique-domain index, so each domain appears once. If your site is already in the record, a duplicate submission will not create a second entry.
Threshold66 is an ongoing chronicle of the open web, maintaining a browsable record of 836 websites sorted into 22 subject sections. The catalogue has been built up by operators who filed their own listings; each entry is reviewed before it appears, keeping the record clear of duplicates and inactive domains. Sections run from specialist trades — Dental Services, Print & Production, Law & Legal Services — to the broad Open Register, which holds sites that cross subject boundaries. The chronicle is international in scope: listings span Europe, Asia, the Americas, and beyond. Threshold66 does not rank sites or sell placement; it records them. Submit your site through the entry form and it will be reviewed for inclusion.