Babelweb (sometimes spelled Bab el-Web) is a web-based monitoring tool for the Babel routing daemon developed by Gabriel Kerneis.
There is also a demo page, but it might be down from time to time.
Babelweb 0.2.3 is available: babelweb-0.2.3.tar.gz (PGP signature).
Get the latest development version:
git clone -b develop git://kerneis.info/babelweb
You can find installation instructions and report bugs on babelweb's github mirror.