# webbro.cc > Independent HubSpot CMS developer. Publishing free and premium modules > on the HubSpot Marketplace under the webbro.cc brand. > Specializing in interactive content, lead capture, and custom HubSpot solutions. ## Modules - [Tabify](https://webbro.cc/modules/tabify): Free tab navigation module for HubSpot CMS - [Accordify](https://webbro.cc/modules/accordify): Free accordion/FAQ module for HubSpot CMS - [Quizify](https://webbro.cc/modules/quizify): Premium quiz module ($50) with HubSpot CRM integration, multi-step flow, and lead capture - [Flowify](https://webbro.cc/modules/flowify): Free CSS marquee / logo-bar animation module for HubSpot CMS - [Flowify Plus](https://webbro.cc/modules/flowify-plus): Premium marquee module ($15) with advanced controls - [Persona Scoring Quiz](https://webbro.cc/modules/persona-scoring-quiz): Premium quiz module ($75) with persona-based scoring and result segmentation - [Trivia Scoring Quiz](https://webbro.cc/modules/trivia-scoring-quiz): Premium trivia quiz module ($50) with scoring logic and HubSpot CRM integration ## Blog (HubSpot-specific) - [Why You Can't Prefill Complex HubSpot Modules](https://webbro.cc/blog/hubspot-fields-json-prefill-repeaters-limitations): Explains HubSpot fields.json limitations with repeaters and complex modules - [Override Meta Tags in HubSpot CMS Templates](https://webbro.cc/blog/hubspot-custom-head-meta-tags): How to safely override system meta tags in HubSpot templates - [HubSpot fields.json Deep Dive: Every Field Type, Limit, and Non-Obvious Behavior](https://webbro.cc/blog/fields-json-deep-dive): All field types with real examples, the restrictions that will catch you off guard, and the non-obvious behaviors that take months of production experience to discover - [HubSpot Marketplace Submission: Requirements & Checklist](https://webbro.cc/blog/hubspot-marketplace-submission-checklist): What HubSpot checks before approving a module or theme — meta.json gotchas, CLI upload failures, accessibility requirements, common rejection patterns, and a pre-submission checklist from a developer with multiple published Marketplace assets ## Analytics & Tracking - [How to Track HubSpot Forms in GA4, GTM, and Meta Pixel](https://webbro.cc/blog/track-hubspot-forms-ga4-gtm-guide): Complete technical guide covering all methods to capture HubSpot form submission events in Google Analytics 4, Google Tag Manager, and Meta Pixel (Facebook Pixel). Includes working code for postMessage listeners, hbspt.forms.create() embed callbacks, dataLayer push patterns, fbq('track', 'Lead') integration, custom Meta Pixel events, and testing via GTM Preview, GA4 DebugView, and Meta Pixel Helper. Covers HubSpot CMS pages and external embeds. ## Contact & Services - [Custom HubSpot module and theme development](https://webbro.cc/#get-in-touch) - [Privacy Policy](https://webbro.cc/privacy-policy) ## Author - [Niko Yankovsky](https://webbro.cc/author/niko-yankovsky) Independent software engineer specializing in web development, CMS architecture, frontend engineering, backend integrations, performance optimization, accessibility, technical SEO, and developer tooling. The blog serves as a technical reference based on production experience, documenting implementation patterns, architectural decisions, undocumented platform behavior, debugging techniques, and edge cases. ## Official Profiles - Website: https://webbro.cc - Author page: https://webbro.cc/author/niko-yankovsky - HubSpot Community: https://community.hubspot.com/u/niko-yankovsky