https://www.pocketpmo.com
PocketPMO is meant for Founders, Project Managers and Project Manager Officers. It allows them to quickly size, cost, plan track and report on multiple projects. Teams can be added, Stakeholders managed, Risks Registered and Budgets tracked.
Software estimates are unavoidable. I find this approach the best; rapidlyeatimate.com
It works well to bypass anchoring and biasing by initially focusing on ‘divergent thinking’. It's as accurate as any I'm come across.