The new Web GIS paradigm allows you to contribute with your skills and data to global wisdom. The Web GIS provides an online infrastructure for making maps and geographic information available in an organization, in a community and openly on web. This new vision completes, integrates and extends the work of GIS professionals.
Creating open data portals provides public access to your data. Web applications allow you to share your data in ways that make them easily to find and explore.
Open data give the possibility to be a member of a global community of geodata content editors.