Best On-Premises Photo Editing Software of 2026

LightCraft serves as an open-source library and RAW editor tailored for photographers seeking to manage and enhance their images on a local level. The software allows users to organize their photos into albums and folders while providing features for ratings, flags, metadata searching, sorting, and detecting duplicates. It includes non-destructive editing tools that facilitate exposure, tone and color adjustments, cropping, geometry changes, applying presets, converting to black and white, and utilizing local masks. Supporting a wide range of camera RAW formats and standard image types, it enables exports in JPEG, PNG, TIFF, WebP, and DNG formats. Users can easily compare edits, synchronize settings across multiple selected photos, and design contact sheets for their work. LightCraft is compatible with macOS, Windows, and Linux systems, and it also offers a self-hosted WebAssembly build. Additionally, it features a command-line interface, a JSON control channel, and an MCP server for enhanced automation capabilities. Notably, all the library's data is stored locally, eliminating the need for user accounts or cloud services, thus ensuring complete data privacy and control.