#AccessKit now has a C API, which also makes it available to many other languages. Check out the header file, prebuilt libraries (both static and shared/dynamically linked, for all supported platforms), and sample code (we only have a Windows example so far) for the first release: https://github.com/AccessKit/accesskit/releases/download/accesskit_c-v0.1.0/accesskit_c-v0.1.0.zip