The NPAPI SDK includes recommended NPAPI header files plus sample plugins and utility code. The header files are used to develop NPAPI plugins and browsers. Browser vendors typically have a copy of these headers in their source tree and we are working on standardizing them (the major differences are source-compatibility issues).
[httphttps://code.googlegithub.com/pmozilla/npapi-sdk/ Click here] to get the SDK.
= NPAPI Specification Efforts =