Question: I'm looking for a discussion forum that can handle large communities and keep members engaged.

If you want a discussion forum that can scale to large communities and keep people engaged, Booklet is a good option. Booklet has threaded posts and comments, member profiles that can be browsed and contacted by email, and AI-generated newsletters summarizing activity. It also has some customization options, including public or private communities, custom domains and a range of branding options. On top of that, it's got moderation tools and tiered pricing, including a free option for hobby and social communities.

Another good option is Nas.io, an everything-in-one platform for community-first businesses. Nas.io has membership management, audience management for direct email and WhatsApp contact, and digital product management for courses and coaching. It also has event management and analytics tools to track community performance. With its integration abilities and localized payment processing, Nas.io is geared for community creators who want to increase engagement and revenue.

If you prefer a more SaaS-oriented option, Socially is worth a look. It lets you quickly set up and grow online communities with features like instant community setup, support for multiple languages and integration with nine payment gateways. Socially also comes with a range of tools, including website mode, video streaming and a post system, making it a good fit for creators, coaches and niche communities.

Last, Remesh is an AI-powered insights platform that could be used to engage your community through text-based conversations. It offers live and asynchronous engagement options, as well as real-time probing and analysis tools. Remesh supports multiple languages and offers high-quality audience recruitment, so it's a good option for market research, employee research and crisis response.