Creo que podrías explorar
ChromiumEmbedded:
Cita:
CEF focuses on facilitating embedded browser use cases in third-party applications.
[...]
Some use cases for CEF include:
Embedding an HTML5-compliant Web browser control in an existing native application.
[...]
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Existen componnes Delphi basados en esto:
https://github.com/hgourvest/dcef3
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