A Native macOS PostgreSQL GUI

From connection management to query execution and data exploration, HarborDB provides everything you need to work with PostgreSQL on macOS.

Buy on Mac App Store

Core Feature

Connections Manager

Easily add, test, edit and favorite Postgres connections. Passwords are stored securely in the macOS Keychain. The add/edit flow includes connection testing, optional saved passwords, and defaults like a preferred schema. Favorite frequently-used connections for faster access.

Add, test, edit and favorite connections
Passwords stored securely in macOS Keychain
Connection testing with feedback
Duplicate or organize connections

Core Feature

Query Editor

The Query Editor offers a production-ready SQL editing experience: syntax highlighting, adjustable editor font sizes, theme selection, and convenient Run / Cancel / Clear controls. Run queries in streaming mode to see incremental rows, cancel long-running server-side work, and export results to CSV or JSON.

Syntax highlighting with Highlightr
Adjustable editor font sizes and themes
Run, cancel, and clear controls
Export results to CSV or JSON

Core Feature

Results & Table Viewer

Results are streamed to the UI as rows arrive for a responsive experience. For macOS, HarborDB uses a high-performance AppKit-backed results renderer that supports selection, copy cell or row-as-JSON, column resizing and persistence. The dedicated Table Viewer offers inline previews or full-window exploration with export options and row-level JSON details.

Streaming results for large datasets
High-performance native NSTableView
Copy cell or row-as-JSON
Column resizing and persistence