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Websites using Discourse

Message boards Visit discourse.org

Discourse is an open-source internet forum and mailing list management software application.

Lead List Exporter

4.8k live Discourse sites, ready to export.

That's how many Discourse websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.

Pick a ready-made template, or build your own filters in the Lead List Exporter and pay only for the rows you export.

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Discourse companies in the United States

Every Discourse website we detected in the United States.

Companies with personnel emails

Only sites where a personal, company-hosted email was found.

Decision makers on LinkedIn

Sites with at least one personnel LinkedIn profile.

Top 100,000 Discourse sites by traffic

Start with the highest-traffic end of the dataset.

Sites on a .com domain

Limit results to Discourse websites on .com domains.

Companies with phone numbers

Only sites where an organisation phone number was found.

Create your own
Versions

Which Discourse versions are most used?

We could read a version number on over 99% of Discourse sites. Of those, the most common are Discourse 2026, on 3,140 sites, Discourse 3, on 1,194 sites and Discourse 2, on 390 sites.

65% on v2026
Versions detected
5
Sites with a version
4,818
Share of sites by version
v2026 65% v3 25% v2 8% v2025 2% v1 <1%
Live Websites

Websites Using Discourse

A sample of live Discourse sites from our latest crawl, with the other technologies each one runs.

Open in the Lead List Exporter
DomainAlso runsCrawl Date
twrc.us
NginxHSTSRuby on Rails
September 27, 2026
catadorescali.com
HTTP/3HSTSCloudflareGoogle AnalyticsRuby on Rails
September 27, 2026
arutle.ee
HTTP/3HSTSCloudflareGoogle AnalyticsRuby on Rails
September 27, 2026
g2ic.com
NginxHSTSRuby on Rails
September 27, 2026
union3.vg
HSTSRuby on RailsBunny
September 27, 2026
zaaksysteem.nl
NginxHSTSRuby on Rails
September 27, 2026
forumautomation.com
HTTP/3HSTSCloudflareRuby on Rails
September 27, 2026
m9981.com
HTTP/3CloudflareCloudflare Browser InsightsRuby on Rails
September 27, 2026
xn--i1aradb.xn--p1ai
HTTP/3NginxRuby on Rails
September 27, 2026
swissforum.co.uk
HTTP/3CloudflareRuby on Rails
September 26, 2026

How many websites use Discourse?

We found Discourse on 4,819 websites in our September 2026 crawl, across 83 countries.

Which countries use Discourse the most?

By number of websites, the top countries are United States (27%, 1,279 sites), Canada (13%, 637 sites), Germany (11%, 533 sites), France (4%, 203 sites) and United Kingdom (3%, 133 sites). Together they account for 58% of the 4,819 Discourse sites we track. 67% of the sites are in English, and .com is the most used domain ending, on 36% of them.

Where are Discourse websites hosted?

The networks carrying the most Discourse sites are Civilized Discourse Construction Kit, Inc. (832 sites), Cloudflare, Inc. (736 sites) and DigitalOcean, LLC (670 sites).

What technologies are used with Discourse?

Across the 4,819 Discourse sites we track, the technologies most often found alongside it are Ruby on Rails (100%, 4,819 sites), Nginx (84%, 4,034 sites), HSTS (76%, 3,657 sites), HTTP/3 (24%, 1,174 sites) and Cloudflare (23%, 1,116 sites).

Deep Dive

Breakdown of Discourse websites

What else they run, plus their language, hosting network, domain extension and country.

Same category

Other technologies in Message boards

Message boards technologies run on 0.12% of the websites we track. Discourse ranks #5 of 33, on 7.88% of Message boards sites.

All Message boards technologies

FAQ

Answers drawn from our latest crawl of Discourse websites. Anything else, email us and we will look it up.

Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.