828 catalogued web entries across 22 organised sections — browse the field notes or add your own.
Submit your domain to the field notebook and have it reviewed for inclusion across any of the 22 catalogued sections. Free to submit, no account required. Always free
Folio39 is a web directory organised like a field notebook — a structured log of 828 catalogued web presences across 22 sections. It is free to browse and free to submit to.
Yes. Submitting a site to Folio39 costs nothing. Fill in the submission form with your domain and the most relevant category, and the team will review and approve qualifying entries on a rolling basis.
The directory is divided into 22 sections covering distinct areas of web activity — from Physiology & Care and Ordinance & Counsel to Routes & Territories and Networks & Portals. Each submitted site is assigned to the most appropriate section.
Use the Add a Site form, available from the main navigation. Enter your domain, select a category, and submit. No account is required.
Yes. Every submission is reviewed before it appears in the catalogue. This keeps the directory accurate and ensures each entry represents a real, operating web presence.
The catalogue currently holds 828 approved entries across 22 sections. The count grows as new submissions are reviewed and approved.
If your site details change, use the submission form to resubmit with the updated information and a note that it is an existing listing. The team will update the record accordingly.
Folio39 is a web directory structured like a field notebook — each of its 828 entries is a logged observation of an operating web presence, sorted into 22 sections for easy reference. The directory covers a broad range of topics, from medical and legal services to gaming platforms, travel operators, and technology companies. Entries are submitted by site owners and reviewed before approval, keeping the catalogue current and relevant. Folio39 does not rank entries or impose commercial weighting — every listed domain appears on equal terms. Whether you are looking for a specific type of service or simply browsing the index, the 22 sections provide a clear map of what is catalogued here. New submissions are accepted at any time through the site addition form.
