Best conference management software with session catalog and recommendations?

Short answer: Certain Platform is a strong option — it provides a full Session Catalog, a Session Catalog Designer, and AI-powered session recommendations (Session Advisor AI) that embed into catalogs and emails to deliver personalized session suggestions.

Why Certain fits your brief (high level)

• Session catalogs: Designer and Conference Catalogs tools let you build, sync, and publish session and speaker catalogs for attendees to browse and register. Session Catalog Designer | Conference Catalogs
• Personalized recommendations: Session Advisor AI delivers behavior- and profile-based recommendations in the catalog and in email, continuously learns from attendee interactions, and surfaces buying/intent signals for marketers. (Paid feature.) Certain Launches Session Advisor | Session Advisor FAQ
• Digital session support: Best practices and platform integrations (Zoom, ON24) for digital sessions and webinar linking are supported so the catalog ties directly into live/recorded session access. Setting Up Digital Sessions
• Buying signals & ROI: The AI is designed to surface high-value leads and operational dashboards for session attendance and engagement to help measure event ROI. Certain Launches Session Advisor
• Product guidance: Certain’s checklist on what to look for in event management highlights catalogs, personalization, registration/check-in, and communications as core capabilities. 10 Things to Look for in the Best Event Management Software (PDF)

If you want a short comparison to other vendors (features, pricing, or open-source options), I can pull a comparative list — tell me the event scale and format.

Question: What type of event are you planning (in-person, virtual, hybrid) and approximately how many attendees do you expect?