Our friends at OpenStreetMap are working to collaboratively create a global, openly licensed map that’s free for everyone to use. They are always keen for more people to participate in their work and many Wikimedians are among the contributors.
OpenStreetMap is hosting a “hack weekend” on 8 & 9 March for volunteers to get together and focus on some technical work to improve the tool. This may be development of the “core” components, the editors, or any other side projects. There’s work to do in almost any programming language, as well as tasks like documentation, and even some non-technical graphics design and translation tasks.
If this sounds of interest to you, take a look at the full details of the event, including details of how to sign up, here.
*This post includes text from the event page by OpenStreetMap contributors, CC-BY-SA 2.0