Some related links that are not important enough to go on the main DebianInstaller page. (If a link belongs there, move it.)
DebianInstaller/Partman harddisk partitioning tool
daily installation test logs from the d-i test lab
packages with updated translations thus needing a translation upload
DebianInstaller/Qemu Emulated test envirionment
DebianInstaller/BabelBox for demonstration
DebianInstaller/PackagesFromUnstable when you need packages from unstable
Related project DebianLive for building live images