Open Source Ajax Frameworks

Web toolkit and Python-to-JavaScript compiler for browser apps. Widget set, AJAX, DOM; continued as PyJS. Apache 2.

Fast, extensible JSON encoder/decoder for Python. Externally maintained version of the stdlib json module; optional C extension; Python 3. 3+ with legacy 2.

Python encoder, decoder and validator for JSON. RFC 7159 compliant; supports non-strict JavaScript-style input; includes jsonlint CLI. LGPL; also on PyPI.

Translates Python code to JavaScript using MooTools-style class declaration. Pure Python; installable via setuptools.

JSON reader and writer implementation in Python. Largely superseded by the standard library json module (Python 2. 6+).