From Stutzbach Enterprises:
With Poker Sleuth equity calculator, you type in some hand ranges for a few players and it tells you their showdown equity. The results appear as you type. You don't have to choose a calculation method or click a button or wait for results. They just appear, and they appear for all streets. It's fast enough to use during play. It also supports weighted hand ranges. Poker Sleuth includes a 30-day free trial with complete functionality, plus a 30-day unconditional return policy.