Damselfly

What it does

AI features

It provides face detection, object detection and recognition, and image classification; the homepage says facial recognition requires a free Azure Face Services account.checked 11 Oct 2026

Deployment

The maker recommends Docker for installation and documents Docker-based server deployment with a web UI.checked 11 Oct 2026

Desktop client

A desktop client for Windows, macOS, and Linux can save selected basket images to a local folder for editing.checked 11 Oct 2026

Exports

Users can select images in a basket for download or export, including watermarking, and the site lists WordPress upload as an option.checked 11 Oct 2026

Image formats

It supports JPG, PNG, HEIC, TIFF, WebP, BMP, and several RAW formats, including DNG, CR2, and ORF.checked 11 Oct 2026

Intended user

The maker says the project was built for managing a very large, meticulously keyword-tagged photography library and opened for others to use.checked 11 Oct 2026

Metadata

Keyword tagging writes metadata losslessly with ExifTool, so JPEGs are not re-encoded when tagged.checked 11 Oct 2026

Multi-user

Damselfly supports user accounts and role-based permissions, including a ReadOnly role that prevents keyword tagging.checked 11 Oct 2026

Performance limit

The maker notes that initial thumbnail generation and AI processing can be CPU-intensive and may take substantial time on large libraries.checked 11 Oct 2026

Privacy

The project release notes say the current face detection and recognition engine runs locally without submitting faces to cloud services.checked 11 Oct 2026

Product

Damselfly is a server-based photo management system for large, folder-based collections, focused on fast search and keyword tagging.checked 11 Oct 2026

Search

Features include full-text search with partial-word phrases and filters for dates, faces, objects, camera details, file size, and orientation.checked 11 Oct 2026

Support limit

The maker says non-Docker installations are unsupported and intended for experts.checked 11 Oct 2026