All free, all current as of June 2026. Grouped by purpose. ⭐ = official HubSpot primary source (most authoritative). YouTube video walkthroughs are being gathered in a separate pass and will be appended here.
A. Official HubSpot — fundamentals & getting started ⭐
- https://knowledge.hubspot.com/get-started — Getting started hub
- https://knowledge.hubspot.com/get-started/manage-your-crm-database — CRM database basics
- https://knowledge.hubspot.com/get-started/hubspot-glossary — Glossary of HubSpot terms
- https://knowledge.hubspot.com/records/understand-objects — Objects explained
- https://knowledge.hubspot.com/object-settings/set-up-and-customize-pipelines — Pipelines & stages
- https://knowledge.hubspot.com/data-management/view-a-model-of-your-crm-object-and-activity-relationships — Data model viewer
- https://knowledge.hubspot.com/help-and-resources/manage-onboarding-to-do-lists-with-checklists — Onboarding checklists
B. Official HubSpot — AI / Breeze ⭐
- https://www.hubspot.com/products/artificial-intelligence — Breeze overview
- https://www.hubspot.com/products/artificial-intelligence/breeze-ai-agents — Breeze AI Agents
- https://knowledge.hubspot.com/ai/understand-breeze — Understand Breeze
- https://knowledge.hubspot.com/ai/use-breeze-assistant — Using Breeze Assistant
- https://knowledge.hubspot.com/ai/use-assistants-and-agents-in-breeze-studio — Assistants & Agents in Breeze Studio
- https://knowledge.hubspot.com/ai/topics — AI knowledge base index
- https://knowledge.hubspot.com/account-management/manage-your-ai-settings — AI settings/governance
C. Official HubSpot — 2026 releases & learning ⭐
- https://www.hubspot.com/spotlight — Spotlight (latest features)
- https://www.hubspot.com/company-news/spring-2026-spotlight — Spring 2026 Spotlight announcement
- https://community.hubspot.com/t5/Releases-and-Updates/Top-Product-Updates-for-February-2026/ba-p/1255291 — Feb 2026 updates
- https://www.hubspot.com/resources/courses — HubSpot Academy courses (free)
- https://academy.hubspot.com/courses — Academy course catalog
- https://www.hubspot.com/services/onboarding — HubSpot onboarding services overview
D. "What is HubSpot" primers (independent)
- https://evenbound.com/blog/what-is-hubspot
- https://www.engagebay.com/blog/what-is-hubspot/
- https://www.sidekickstrategies.com/blog/hubspot-hubs-complete-guide — Hubs guide
- https://jetstack.ai/resources/blog/hubspot-data-architecture-objects-properties-associations/ — Data architecture deep-dive
E. Onboarding & implementation best practices (independent)
- https://thisisaspect.com/blog/the-complete-hubspot-onboarding-checklist-for-2026/
- https://crmnewstoday.com/hubspot-onboarding-setup-checklist-team-adoption/
- https://thedigitalring.com/insights/hubspot-implementation-best-practices-adoption-first-guide
- https://www.rolustech.com/blog/hubspot-crm-implementation-step-by-step-guide-for-2026
- https://www.man.digital/blog/hubspot-onboarding-checklist
- https://vantagepoint.io/blog/hs/importing-data-to-hubspot-best-practices-guide — Data import best practices
F. AI-with-HubSpot deep-dives (independent, 2026)
- https://vantagepoint.io/blog/hs/how-to-use-breeze-ai-agents-hubspot
- https://www.hublead.io/blog/hubspot-ai-tools
- https://www.hashmeta.ai/en/ai-seo/hubspot-ai-marketing — AI SEO / AEO angle
- https://www.streamcreative.com/hubspot-ai-agents
- https://releasebot.io/updates/hubspot — Rolling HubSpot release tracker
YouTube video walkthroughs [video]
- HubSpot CRM FULL Beginners Tutorial 2026 — 10-step account setup checklist
- HubSpot CRM Tutorial for Beginners 2026 (Step-by-Step) — objects, properties, contacts, email basics
- The Official HubSpot Breeze AI Tutorial — Copilot, Agents, Intelligence hands-on
- AI in HubSpot: Assistants, Agents, and Breeze — assistants vs. agents overview
- HubSpot Breeze: Copilot, Agents and Intelligence — Breeze fit checklist + rollout tips
- HubSpot Service Hub Updates 2026: Breeze Assistant — 2026 Service Hub betas
Note: Sources in groups D–F are agency/third-party blogs — useful for plain-English explanation but verify specifics (agent rosters, pricing, hub counts) against the official group A–C links before acting.