Stanford PB platform

An open-source and free digital platform that allows governments and organizations to run participatory budgeting (PB) votes on budget funds.

An easy to use PB voting platform that is customizable, mobile-friendly, and open source. It offers language support and analytics tools. Some of the cities that have collaborated with this platform are Boston, multiple districts of New York, multiple wards of Chicago, and Seattle.

Source: Stanford Crowdsourced Democracy Team