CM Free – Self-hosted booking manager for small rentals

Summary: CM Free is a free, self-hosted booking manager designed for small rental owners. It operates on your server using JSON, supports ICS imports, layered calendars, public inquiries, reservations, and generates PDF confirmations, providing full control without subscriptions or platform lock-in.

What it does

CM Free manages rental bookings by importing calendar data, handling inquiries and reservations, and producing PDF confirmations, all within a lightweight, JSON-based system hosted on your server.

Who it's for

It is intended for small rental owners seeking a simple, self-hosted alternative to paid or platform-locked booking tools.

Why it matters

It addresses the need for an affordable, predictable booking solution without subscription fees or dependency on external platforms.