I suspect it is less deployed than SQLite. SQLite gets into things even without network capabilities (e.g. Digital TVs even before they were internet connected for the channel data and the EPG information).
I don't know to what extent the code of the BSD stack remains in Windows but you can bet even if a raw build of Windows doesn't have SQLite embedded somewhere within it (which it might well do) that there are probably multiple software installations with it embedded somewhere.
Would you actually describe the BSD networking code as being deployed in Linux even? I know it is derived from the BSD stack but is it really still the same software.
Zlib and libjpeg as someone else suggests are good suggestions and at least in the races with SQLite.
I don't know to what extent the code of the BSD stack remains in Windows but you can bet even if a raw build of Windows doesn't have SQLite embedded somewhere within it (which it might well do) that there are probably multiple software installations with it embedded somewhere.
Would you actually describe the BSD networking code as being deployed in Linux even? I know it is derived from the BSD stack but is it really still the same software.
Zlib and libjpeg as someone else suggests are good suggestions and at least in the races with SQLite.