The leading digital platform for deliberative democracy

Simulator is an online tool to engage people in complex decision making

Give citizens the chance to try their hand at the deliberative process and making difficult trade-offs.
See what choices they would make in your position.


Public sector organisations around the world use Simulator for citizen participation in priority-setting and to encourage democratic deliberation:

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Using Simulator...we opened the biggest budget conversation the city has seen. Residents have come forward and offered constructive suggestions for what they would like to see in the budget, and we’ve taken those into account.

Leader of Brighton and Hove City Council, UK

How Simulator works

  • » Respondents move sliders to reflect their priorities
  • » They see the consequences of experimenting with different trade-offs
  • » People deliberate on their options, then submit considered preferences
  • » This participatory democracy generates meaningful, insightful feedback for decision making
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images of deliberative process tool Simulator by Delib on phone, tablet and computer

Simulator as a democratic innovation tool

Governments have used Simulator to make a wide range of processes more engaging, more accessible and more useful for gathering informed, meaningful feedback from public deliberation.

Trending processes

Endlessly flexible

More than 100 organisations have fine-tuned Simulator to meet their deliberative practice: from sports preferences to 10 year spending plans, from tenant priorities to university student levies.

To find out if Simulator will work for your decision-making process, book a free demo. We'll establish your needs and show you how Simulator can work for you.

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Simulator has helped us to engage and involve our residents in a very complex and difficult process. The comments that we got back from residents show that those who participated got a real insight into the decision-making process that touches so many people's lives.

Matt Jukes, Chief Executive, Hull City Council, UK

Watch the Video: Simulator for Bristol City Council, UK

Backed up with expert support and training

Simulator is a fully account-managed service. Each subscription includes dedicated account management. The team are ready to help with all queries and most issues are resolved within hours.

Our account managers are experts in public involvement, offering full product training and guidance on best practice – so you’re in good hands. Delib is widely known for our quality of service.

"The Delib team have been quick, responsive, collaborative and made a challenging project come together smoothly and effectively"

Director, Communications, Ministry of Finance, British Columbia Government See what's included