...In the configuration file can implement custom pre-processing and template resolution logic. Lint rules encode logic for syntactic & semantic checks of TypeScript, HTML, CSS and Angular expressions source code.
OmniHelp is a cross-platform, browser-independent, tri-pane help viewer built in pure JavaScript and CSS with HTML 4. Some functions (such as help embedding) may in the future be in Java, C, or C++; CSH is fully supported. All code is under the LGPL.