IoTivity is an open source project and contributions are welcomed! Please review the Project Governance and Contribution Guidelines before submitting code or asking questions in the mailing lists. Details on how to get involved in all aspects of the IoTivity project, including account creation, can be found on https://www.iotivity.org/get-involved.
Some less formal tips can be found at contribute.
Jan 2018: the wiki is undergoing some review, please chip in if you would like to help. Use this link to record places that are out of date or other work that needs doing: wikistatus
IoTivity documentation is divided between the formal documentation which is published at https://www.iotivity.org/documentation and the less formal descriptions on this Wiki.