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Marketing is the practice of connecting products and services with people who can benefit from them. This involves understanding audiences, crafting compelling messages, and choosing the right channels for distribution and engagement.

While the marketing technology landscape is dominated by expensive SaaS platforms, there’s growing interest in open source alternatives for email marketing, customer relationship management, analytics, attribution tracking, and marketing automation. Open source marketing tools offer transparency, customization, and cost-effectiveness that many businesses and developers seek.

With over 1,800 repositories tagged with marketing on GitHub, this community demonstrates the potential for collaborative development of marketing technologies that prioritize user control, data privacy, and accessibility over vendor lock-in.

Here are 1,108 public repositories matching this topic...

magento2-google-tag-manager

Google Tag Manager is a user-friendly, yet powerful and cost-effective solution that is a must-have integration for every Magento store. It simplifies the process of adding and managing third-party JavaScript tags. With dozens of custom events and hundreds of data points our extensions the #1 GTM solution for Magento.

  • Updated May 15, 2026
  • PHP

#1 Product of The Day @ Product Hunt. The GTM co-founder you don't have. Open-source GTM Agent Skills for developer tools and AI products, for founders, GTM hires, and founding AEs: positioning, first users, launch, pricing. Sharpened by Frankl & Czakon. MIT.

  • Updated Aug 18, 2026
analytics-tracking-automation

AI-powered GA4 + GTM event tracking — automates site analysis, event schema, GTM sync, preview verification, and publishing. Works with Cursor, Codex, and any AI agent.

  • Updated Apr 29, 2026
  • TypeScript