The Chromium Embedded Framework (CEF) is an open-source software framework for embedding a Chromium web browser within another application. This enables developers to add web browsing functionality to their application, as well as the ability to use HTML, CSS, and JavaScript to create the application's user interface (or just portions of it). CEF runs on Linux, macOS, and Windows. It has many language bindings including C, C++, Go, Java, and Python. Overview There are two versions of Chromium Embedded Framework: CEF 1 and CEF 3. Development of CEF 2 was abandoned after the appearance of the Chromium Content API.CEF 1 is a single-process implementation based on the Chromium WebKit API. It is no longer actively developed or supported.CEF 3 is a multi-process implementation based on the Chromium Content API and has performance similar to Google Chrome. It uses asynchronous messaging to communicate between the main application process and one or more render processes (Blink + V8 JavaScript engine). It supports PPAPI plugins and extensions, both internal (PDF viewer) or externally loadable. The single-process...