• Cross-platform (Unix, Windows, Mac OS X, ...) • Strictly compliant to RFC 3986 (latest URI RFC on track STD 66 to date) ◦Parsing ◦Reference resolution (section 5.2, since version 0.4.0) ◦Reference creation (since version 0.5.2) ◦Recomposition (section 5.3, since version 0.4.0) ◦Syntax-based normalization (section 6.2.2, since version 0.5.0) • Fast (linear input length time complexity) • Unicode support • No external dependencies • Extensive unit testing using CppTest • Liberal license (New BSD license)

*wxPython is a cross-platform toolkit. This means that the same program will run on multiple platforms without modification. Currently supported platforms are 32-bit Microsoft Windows, most Unix or unix-like systems, and Macintosh OS X