Software programmed in Perl

DuckDuckGo is an American software company focused on online privacy whose flagship product is a search engine named DuckDuckGo. Founded by Gabriel Weinberg in 2008, its later products include browser extensions and a custom DuckDuckGo web browser. Headquartered in Paoli, Pennsylvania, DuckDuckGo is a privately held company with about 200 employees. The company's name is a reference to the children's game duck, duck, goose.

The WikiWikiWeb is the first wiki, or user-editable website. It was launched on 25 March 1995 by programmer Ward Cunningham and has been a read-only archive since 2015. The name WikiWikiWeb originally also applied to the wiki software that operated the website, which was later renamed to "WikiBase".

OTRS (originally Open-Source Ticket Request System) is a service management suite. The suite contains an agent portal, admin dashboard and customer portal. In the agent portal, teams process tickets and requests from customers (internal or external). There are various ways in which this information, as well as customer and related data can be viewed. As the name implies, the admin dashboard allows system administrators to manage the system: Options are many, but include roles and groups, process automation, channel integration, and CMDB/database options. The third component, the customer porta

cPanel is a web hosting control panel software developed by cPanel, L.L.C. It provides a graphical interface (GUI) and automation tools designed to simplify the process of hosting a web site for the website owner or "end user". It enables administration through a standard web browser using a three-tier structure. While cPanel is limited to managing a single hosting account, cPanel & WHM allow the administration of the entire server.

blogging software

Electronic mailing list software

dynamic collection of networked computers providing time synchronization