What are good exercise machines and equipment that have a good reputation and work out the stomach, abs, etc.?

by Nemo's great uncle
Question by introvertedguy06: What are good exercise machines and equipment that have a good reputation and work out the stomach, abs, etc.?
Does anyone know of any good exercise, working out products, that help you tone up your body? flatten your stomach, get 6-pack abs, and work out your obliques? Overall, work out and target your stomach, abdominals, and obliques?
What are some good websites or good brands that make these products? which ones are the most popular and

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