- http://www.putty.org – looks like it points to “the right” PuTTY location, instead it diverts attention to commercial software; and the domain is not owned by the inventor of PuTTY
- http://www.chiark.greenend.org.uk/~sgtatham/putty/ – “the right” PuTTY location
- https://en.wikipedia.org/wiki/PuTTY
- newsgroup: comp.security.ssh – https://groups.google.com/forum/#!forum/comp.security.ssh
- newsgroup: comp.terminals – https://groups.google.com/forum/#!forum/comp.terminals