---
title: Tag Management & CDPs · Curated Directory | RGM®
url: https://realgrowthmatters.com/appendix/tools/tag-management-cdp/
updated: 2026-06-10
source_html: https://realgrowthmatters.com/appendix/tools/tag-management-cdp/
---

**About this directory.** Entries are publicly known marketing tools, people, and resources. We provide brief, original descriptions and link to each entity's primary URL. We do not republish third-party pricing, review aggregates, or contact details — visit the entity's own page for the most current information. If you maintain one of these resources and would like to update or correct your listing, contact [hello@realgrowthmatters.com](/contact/).

## 7 entries

[**Google Tag Manager**

Verified entry

Free tag management for web and app. Standard implementation for most marketing tracking.

View deep-dive →](/appendix/tools/tag-management-cdp/google-tag-manager/)[**Tealium iQ**

Verified entry

Enterprise tag management with strong server-side capabilities.

View deep-dive →](/appendix/tools/tag-management-cdp/tealium-iq/)[**Segment**

Verified entry

Customer Data Infrastructure for event routing between sources and destinations.

View deep-dive →](/appendix/tools/tag-management-cdp/segment/)[**RudderStack**

Verified entry

Open-source customer data platform with warehouse-native architecture.

View deep-dive →](/appendix/tools/tag-management-cdp/rudderstack/)[**mParticle**

Verified entry

Enterprise CDP focused on mobile-first data orchestration.

View deep-dive →](/appendix/tools/tag-management-cdp/mparticle/)[**Hightouch**

Verified entry

Reverse-ETL platform for activating warehouse data in marketing destinations.

View deep-dive →](/appendix/tools/tag-management-cdp/hightouch/)[**Census**

Verified entry

Reverse-ETL platform competitor to Hightouch.

View deep-dive →](/appendix/tools/tag-management-cdp/census/)

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