What are Your Favorite 10 Technical Writing Tools?

I’ve used the same technical writing tools for the last 5 years. A few products have come across my desk but nothing that really blown me away. Here’s a run-down of what I use to write my technical documents. No order of preference. Which should I keep? Which should I replace?

Robohelp or Doc-to-Help – which one is best?

I have a choice. Robohelp or Doc-to-Help? My client has given me permission to use whatever tool I want to do the next batch of tech docs — and they’ll buy the software. No cost to me. Which one should I choose?