{
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  "stability": "emerging",
  "generator": "agentic-media-registry",
  "generated_at": "2026-09-08T00:00:00Z",
  "category": "marketing-automation",
  "name": "Marketing Automation",
  "count": 5,
  "html": "https://gtmstacker.com/registry/category/marketing-automation/",
  "items": [
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      "type": "tool",
      "slug": "billion-mail",
      "url": "https://gtmstacker.com/registry/tool/billion-mail/",
      "title": "Billion Mail",
      "description": "OSS alt to Mailchimp; ~15393 stars; via openalternative.co",
      "one_liner": "OSS alt to Mailchimp; ~15393 stars; via openalternative.co",
      "category": "marketing-automation",
      "tags": [
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        "marketing-automation-email"
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      "date_published": "2026-09-03T12:00:00Z",
      "date_modified": "2026-09-03T12:00:00Z",
      "json": "https://gtmstacker.com/registry/tool/billion-mail/index.json",
      "markdown": "https://gtmstacker.com/registry/tool/billion-mail/index.md"
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      "id": "com.gtmstacker.registry/tool/dittofeed",
      "type": "tool",
      "slug": "dittofeed",
      "url": "https://gtmstacker.com/registry/tool/dittofeed/",
      "title": "Dittofeed",
      "description": "OSS alt to Customer.io; ~2888 stars; via openalternative.co",
      "one_liner": "OSS alt to Customer.io; ~2888 stars; via openalternative.co",
      "category": "marketing-automation",
      "tags": [
        "marketing-automation",
        "marketing-automation-email"
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      "date_published": "2026-09-03T12:00:00Z",
      "date_modified": "2026-09-03T12:00:00Z",
      "json": "https://gtmstacker.com/registry/tool/dittofeed/index.json",
      "markdown": "https://gtmstacker.com/registry/tool/dittofeed/index.md"
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      "url": "https://gtmstacker.com/registry/tool/plunk/",
      "title": "Plunk",
      "description": "OSS alt to Resend; ~5347 stars; via openalternative.co",
      "one_liner": "OSS alt to Resend; ~5347 stars; via openalternative.co",
      "category": "marketing-automation",
      "tags": [
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        "marketing-automation-email"
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      "date_modified": "2026-09-03T12:00:00Z",
      "json": "https://gtmstacker.com/registry/tool/plunk/index.json",
      "markdown": "https://gtmstacker.com/registry/tool/plunk/index.md"
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      "type": "tool",
      "slug": "sendune",
      "url": "https://gtmstacker.com/registry/tool/sendune/",
      "title": "Sendune",
      "description": "OSS alt to Resend; ~2182 stars; via openalternative.co",
      "one_liner": "OSS alt to Resend; ~2182 stars; via openalternative.co",
      "category": "marketing-automation",
      "tags": [
        "marketing-automation",
        "marketing-automation-email"
      ],
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      "date_published": "2026-09-03T12:00:00Z",
      "date_modified": "2026-09-03T12:00:00Z",
      "json": "https://gtmstacker.com/registry/tool/sendune/index.json",
      "markdown": "https://gtmstacker.com/registry/tool/sendune/index.md"
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      "url": "https://gtmstacker.com/registry/tool/usesend/",
      "title": "useSend",
      "description": "OSS alt to Resend; ~4586 stars; via openalternative.co",
      "one_liner": "OSS alt to Resend; ~4586 stars; via openalternative.co",
      "category": "marketing-automation",
      "tags": [
        "marketing-automation",
        "marketing-automation-email"
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      "date_modified": "2026-09-03T12:00:00Z",
      "json": "https://gtmstacker.com/registry/tool/usesend/index.json",
      "markdown": "https://gtmstacker.com/registry/tool/usesend/index.md"
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}