SNP defines two primary protocols which allow computers to generate notifications using Snarl running on a remote (or local) computer. One flavour of SNP is better suited to corporate networks; the other can work across the Internet.

Check out the following for more information:

• The Wiki contains a lot of information about the different flavours of SNP and ready-made tools and demos you can try out
• The Developer Guide is where you can find the formal SNP documentation
• You can download various SNP clients, servers and development tools from SourceForge