The website http://www.grottocenter.org has been really active for a few months. This message is a quick overview of the project and will explain how you can contribute. The www.grottocenter.org web application is a worldwide database community dedicated to speleology and based on the wiki collaborative system. The project aims to list natural caves ; every caver can collaborate to the database. All the data on www.grottocenter.org is under the CC-BY-NC license which guarantees free access and free usage of the data for non-commercial use with respect of the authors’ rights. The software running GrottoCenter is licensed under the AGPL license; all source code is available on Github. This license is similar to the CC-BY-NC license but is better-suited for web-application. The 2012 GrottoCenter statistics : Accounts 1340 Cave entries 31422 Caving Clubs 423 Languages 4 You can follow the project on Facebook , Twitter , a blo...