Use the drop down menus below to search by Organization name, Specification name, or a combination of the two. Use the checkboxes to further filter Compliant and/or Reference Implementation listings.
NOTE: Specifications listing in Green are "Certified OGC Compliant". Official OGC® Reference Implementations are listed in Red and may be followed by links to associated resources. See this FAQ for OGC's definitions of "comply", "conform", and "implement".
Specification options are preceeded my a number in parenthesis, this is the total number of implementations in our database. An asterisk (*) preceeding a specification name indicates that compliance tests exist for that specification.
If you would like to bypass the search filter and see every listing in the system, click the "Show All Listings" link below. Warning: this query can be slow.