Project Info

Users' URL
Developers' URL
Maintaining: The project is publicly accessible, useable, and responding to ongoing feedback


An online focal point for civic hacking communities to share the projects they are working on and connect with each other around them.


The Laddr site is built on the Emergence PHP framework and engine, and requires an Emergence server to host it.

Emergence takes just a few minutes to setup on a Linux VM, and is designed to have a fresh system to itself. Once launched it will configure services on the machine as-needed to host an instance of the Laddr site along with any other sites, clones, or child sites. The guides for Ubuntu and Gentoo are most up-to-date:

Free unlimited Emergence hosting is also available for civic projects on-request from

Project Activity