The software used for the workshop is available through these links.
SHA1(bind-9.5.0-P2.tar.gz)= e93a230e0e80e8e5975c83bf0ca0b1186f53fe52
SHA1 (ldns-1.3.0.tar.gz) = 9b05ea3ae23f973345de89936c59ad79f77aeccf
SHA1 (dsc-200808221554.tar.gz) = 61a32f0c880ace48cb5f1e1d88c5d6bdae31c0b6
The latest versions of this software are available at ISC, openssl.org, and NLnet Labs.
We constructed a tar ball with a demonstration infrastructure. You can use this to experiment a bit. See the README in the tar ball for more details.
At the RIPE NCC a DNSSEC key management and signer application has been build based on a set of perl scripts. For details see the dedicated page and/or read the documentation.