Download websites that use Open Classifieds

About Open Classifieds

The software behind a classified ads site gets chosen once and then left alone, because the listings are the asset and the code underneath is plumbing. A community board, a used car page or a small jobs portal is judged on how many people post to it, never on which release of which package renders the form.

Open Classifieds belongs squarely to that pattern. The application is written in PHP, sits in the Ecommerce category, and is Open Source, which is a large part of why it turns up at all. There is no seat cost to discourage a small operator from standing one up on shared hosting, and no vendor relationship afterwards to nudge them into upgrading. Our record carries no company and no first release year for it, so what a given site is running has to be read from the install itself rather than from a published release history.

Because each install runs on its own server on its own schedule, the installed base ages unevenly, and our exports can show that directly. We record 3 distinct version strings across the sites where the package is detected, with 2.5.1 the release our crawler reads most often. A version string is an inventory fact and a security fact at the same time. An operator running a release that stopped receiving attention years ago is running unpatched code on a site that accepts user submitted content, images and sometimes payments, which is a combination that rewards attention from anyone doing hosting abuse work or vulnerability research.

As of October 2026 we detect Open Classifieds on 4 sites, and the count deserves the same caution as any self hosted application. Detection depends on markers that survive in the rendered page, and a package like this one is routinely reskinned, put behind a reverse proxy or stripped of its generator tags by an operator who prefers not to advertise what is running. Sites that hide those markers drop out of our view without ceasing to exist, so the figure is a lower bound and the version distribution describes the installs we can read rather than every install there is.

Checking one domain tells you what a single portal runs. The export answers the questions that only exist at population scale: how the installed base is spread across releases, which hosting networks concentrate the older ones, and whether upgrades actually happen after a release ships. For a competitor building marketplace software, the same list is a prospect list of operators who already chose to self host and might be persuaded to stop.