W4OS is a WordPress plugin for OpenSimulator grid management. It allows users to register for an avatar and choose a starting outfit. It also provides useful blocks that can be displayed on any page, sidebars, headers and footer (via shortcodes, widgets or Gutenberg blocks).

It is pretty easy to set up, so you can start accepting new users within minutes.

The project is sponsored and developed by Speculoos World and Magiiic.

Support W4OS project

At the time of writing, this plugin represents around 6000 lines of code, 750 commits, hundreds of hours and dozens of sleepless nights

Good news: you can buy us a coffee (or a coffee machine) to support all this hard work. Just follow this link:


  • The agenda in the spotlight – HIE 2024

    The agenda in the spotlight – HIE 2024

    At the last Hypergrid International Expo, Gudule Lapointe presented the w4os project, and in particular the calendar functions integrated into the extension. The 2do project is a set of software solutions for integrating the search for events into a grid, which can be used together or individually. It includes : The conference was presented in……


With the most recent improvements and features. Something close to the next stable release, but there might be some bugs left.


The current development, unstable version. Really don’t use it in production environment. It might (and does probably) contain bugs or work in progress.