We implemented OKIRs, and the success rate of our KRs went up to over 70%. The structure creates buy-in, keeps enthusiasm high, and ensures execution doesn’t fizzle out after the goal-setting phase.

Like Dia for Windows. Dia is a free structured drawing program that looks and acts a lot like Visio, but it's smaller, simpler, and snappier. For a free alternative, Dia is surprisingly complete.