This document provides a comparison of different online platforms for public managers to use for idea generation and public engagement. It describes the purpose and key features of 11 platforms: Bubble Ideas, Crowd Wise, Delib Dialogue App, Google Moderator, IdeaScale, Microsoft Town Hall, PubliVate, Salesforce Ideas, Spigit, UserVoice, and compares what each platform is well-suited for and its pricing information. The document aims to help public managers choose a platform that best fits their specific needs and objectives.