Self-hosted apps that integrate with QuickBooks Online

4 open-source, self-hostable projects list QuickBooks Online as an integration.

• BreezeBreeze is a self-hosted, open-source RMM+PSA platform with an AI operator that handles alerts, patching, and tickets while you keep approval authority.
• torqvoiceSelf-hosted workshop management for auto repair shops with work orders, invoicing, vehicle histories, customer portal, and tire storage.
• TrenovaSource-available TMS for US trucking carriers with dispatch, billing, accounting, compliance, document automation, and AI agents via Docker Compose.
• SlowBooks Pro 2026Bookkeeping tool for Windows, Mac, Linux. Double-entry accounting, invoicing, payroll, inventory. Built-in server mode works without containers. Data stored locally.