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# Marketing & Sales

Reach customers and manage sales.

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## Featured

### Buttondown

Marketing & Sales · Web · API

Newsletter software from a small, independent, self-funded team

Reviewed

[View project](<https://submitby.ai/projects/buttondown-01be080d>)

### listmonk

Marketing & Sales · Web · Linux

Self-hosted newsletters and mailing lists in a single binary

GitHub ★ 24k Open source Reviewed

[View project](<https://submitby.ai/projects/listmonk-38b4eab3>)

### Twenty

Marketing & Sales · Web · API

The open-source CRM you can shape with code and AI

GitHub ★ 60k Open source MCP server

[View project](<https://submitby.ai/projects/twenty-11694d21>)