LightZone
| Company type | Open-source software |
|---|---|
| Industry | Software, Digital photo editing |
| Predecessor | Light Crafts |
| Defunct | 2011 (Light Crafts) |
| Fate | Became open-source project |
Key people | Fabio Riccardi (founder and lead developer), Anton Kast (developer) |
| Products | LightZone photo editing software |
| Owner | Community / Open source contributors |
| Website | lightzoneproject |
LightZone is a no-cost, open-source application designed for digital photo editing, initially created as commercial software by the now-defunct company Light Crafts. It focuses on efficient workflow organization and offers non-destructive editing capabilities for images in multiple RAW formats. The software produces JPEG outputs embedded with metadata that link back to the original image and document all modifications made, positioning it as an alternative to Adobe Lightroom.
History
LightZone was once sold commercially for Windows, Mac OS X, and Linux platforms. While earlier Linux editions were available at no charge, the pricing model shifted starting with version 3.5.
In September 2011, the official website of Light Crafts was taken down. Fabio Riccardi, the founder and lead developer, moved on to work at Apple Inc. The last official release from Light Crafts was version 3.9, followed by a Mac OS X-specific bug fix at 3.9.2. Afterward, volunteer contributors maintained support through the LightZombie Project, including updates for new RAW camera formats.
On December 22, 2012, traffic from the LightZombie domain was redirected to LightZoneProject.org. Anton Kast, who was among the original developers, announced that LightZone’s source code had been made publicly available under a BSD-3-Clause free license on GitHub.
By June 2013, version 4.0.0 of LightZone was launched for Linux, Mac OS X, and Windows systems. This release matched the functionality of the final proprietary edition but was now fully open source under the BSD license.
Features
LightZone supports editing of both RAW and JPEG formats and allows batch processing by applying predefined sets of adjustments known as "styles." Users can design and save these styles based on specific camera profiles to apply consistent modifications across multiple images automatically before performing individual fine-tuning.
As a non-destructive RAW editor, LightZone keeps the original digital file intact—usually a RAW image—while creating new files such as JPEGs that reflect edits without changing the source data. This method preserves the original "digital negative," enabling retention of maximum image information and permitting various edit versions derived from one original file.
The program generates JPEG files containing metadata that references the source image and records all applied changes. Since the entire edit history is stored within the output, users can reverse or rearrange adjustments in later editing sessions. Beginning edits from the untouched RAW file prevents degradation caused by JPEG compression artifacts, thereby maintaining superior image quality throughout the workflow.
Awards
In December 2007, LightZone earned MacWorld’s 23rd Annual Editors' Choice Award.