About which kind of "tools" are you asking?
When you make a relatively generic request for us to describe the "tools" we use for food plot development, trail clearing, and field management - that's a broad spectrum of tools.
You mention "hand tools" once - but to be honest, the rest of your request seems much more broad reaching, since you talk about brush clearing and labor intensive land management activities...
So are you asking specifically about machetes, hatchets, axes, hand saws, hoes, rakes, aerators, etc? Or are you asking about field land management tools to include tractors, discs, planters, harrows, plows, brush hogs, chainsaws, power pole saws, excavators, power augers, ATV/UTV's, mowers, sprayers, etc?