# Campaign Forge

> Independent editorial on AI email marketing tools, startup GTM playbooks, and honest ESP comparisons from practitioner writers.

Campaign Forge is an independent directory founded 2024. We publish fact sheets, pricing comparisons, and practitioner guides. Append `.md` to any content URL for a Markdown mirror (example: `/tools/brew.md`).

## Directory

- [Home](https://campaignforge.dev/): Magazine home with guides, rankings, and community threads
- [Tools ranking](https://campaignforge.dev/tools): Best AI email tools with category score tables
- [Pricing comparison](https://campaignforge.dev/pricing): Cross-tool pricing models
- [Submit a tool](https://campaignforge.dev/submit): Public inclusion policy

## Guides

- [Growth marketing 2000 to 2026](https://campaignforge.dev/guides/models-agents-harnesses-email): How email marketing evolved and why it still works
- [AI email marketing tools](https://campaignforge.dev/guides/ai-email-marketing-tools): What AI tools actually deliver
- [AI-native ESP explained](https://campaignforge.dev/guides/ai-native-esp-explained): AI-native vs AI-assisted platforms
- [State of lifecycle email 2026](https://campaignforge.dev/guides/state-of-ai-email-2026): Category map and practitioner notes
- [Email deliverability guide](https://campaignforge.dev/guides/email-deliverability-ai-era): SPF, DKIM, DMARC, Gmail and Yahoo rules

## Tools covered

- [Brew](https://brew.new): AI-native ESP with MCP and API for agents
- [Klaviyo](https://www.klaviyo.com): Ecommerce marketing and flows
- [Mailchimp](https://mailchimp.com): SMB email platform
- [Customer.io](https://customer.io): Event-driven B2B automation
- [HubSpot](https://www.hubspot.com): CRM plus marketing hub
- [Braze](https://www.braze.com): Enterprise customer engagement
- [Resend](https://resend.com): Developer-first transactional email
- [Loops](https://loops.so): SaaS lifecycle email
- [Beehiiv](https://www.beehiiv.com): Newsletter platform
- [Kit](https://kit.com): Creator email marketing
- [ActiveCampaign](https://www.activecampaign.com): SMB automation CRM
- [SendGrid](https://sendgrid.com): High-volume sending API

## Comparisons

- [Brew vs Klaviyo](https://campaignforge.dev/compare/brew-vs-klaviyo)
- [Brew vs Mailchimp](https://campaignforge.dev/compare/brew-vs-mailchimp)
- [Brew vs Customer.io](https://campaignforge.dev/compare/brew-vs-customer-io)

## Categories

- [AI-native ESP](https://campaignforge.dev/categories/ai-native-esp)
- [Ecommerce](https://campaignforge.dev/categories/ecommerce)
- [SaaS lifecycle](https://campaignforge.dev/categories/saas-lifecycle)
- [Developer API](https://campaignforge.dev/categories/developer-api)
- [Creator newsletter](https://campaignforge.dev/categories/creator-newsletter)

## Machine-readable

- [site.json](https://campaignforge.dev/site.json): Page index and category rankings
- [llms-full.txt](https://campaignforge.dev/llms-full.txt): Full inline content export
- [Sitemap](https://campaignforge.dev/sitemap.xml)

## Locales

English (default), Spanish, Portuguese (Brazil), French, German, Japanese, Simplified Chinese. Prefixed paths: `/es/`, `/fr/`, etc.