We are trying out Loomio – an open source ‘decision making’ application. Made for those good ole Occupy days and made by NZers no less. Its a cool app. We are trying it out to vote and comment on Feature Proposals made by the community and vetted & selected by the Editoria dev team…
Some more information here – https://help.loomio.org/en/user_manual/polls/proposal_types/ – about the types of decision tools it makes available.