FusionAuth has an active online forum where users can discuss various topics related to the platform, including integration with other software packages and troubleshooting issues. The forum is accessible to anyone who wants to participate, either by signing up for a free account or viewing discussions anonymously. Recent posts highlight common challenges faced by developers, such as logging in users through the netcore API, authentication across multiple applications, and configuring SMTP credentials for email sending. These topics demonstrate the range of issues that FusionAuth users encounter, from technical integration problems to more general questions about the platform's functionality and features.