Martech Open Source Curated by Sarah

OpenClaw

Open-source viral AI agent (350K+ GitHub stars) — Content Forge, Social Poster, Scout, and email sequence builders.

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OpenClaw is the open-source AI agent that became the most-starred software project in GitHub history (350K+ stars by May 2026). Acts as a proactive personal agent, connecting AI models with your local files and messaging apps. Marketing skills include Content Forge (blog and social copy generation), Social Poster (multi-platform publishing), Scout (competitor monitoring and weekly intel briefs), and email sequence builders for Mailchimp, Klaviyo, and SendGrid. Free, local, and any-platform.

What it does

A personal AI agent that runs locally, connects to your files and messaging apps, and executes long-running marketing workflows from a chat interface. Skills-based — install the marketing skill bundle and it gains content generation, multi-platform publishing, competitor watch, and email sequence building.

What you get

  • Content Forge — blog and social copy generation
  • Social Poster — multi-platform publishing with per-platform formatting
  • Scout — competitor monitoring and weekly intel briefs
  • Email sequence builders for Mailchimp, Klaviyo, SendGrid
  • Local file and chat-app integration (WhatsApp, Telegram, Discord, Slack, iMessage, Teams)

Why it matters

The free, local, open-source alternative to the agent-builder category dominated by Lindy and Relevance. 35% of OpenClaw deployments are content automation — the highest-frequency, lowest-creativity task in marketing, which is exactly where autonomous agents compound the fastest.