Open-Source Licenses
Last updated: April 3, 2026
Pluto Photos is built with the help of many open-source libraries. We are grateful to the authors and contributors of these projects. Below is a summary of the key third-party components and their licenses.
FFmpeg
Pluto Photos uses FFmpeg for video processing, including transcoding, watermarking, and audio overlay. FFmpeg is invoked as a separate process and is not linked into the application code.
| License | GPL-3.0-or-later |
|---|---|
| Website | ffmpeg.org |
| Source Code | github.com/FFmpeg/FFmpeg |
The full text of the GNU General Public License v3 is available at gnu.org/licenses/gpl-3.0.
Sharp / libvips
Pluto Photos uses Sharp (powered by libvips) for high-performance image resizing, conversion, and thumbnail generation. libvips is dynamically linked.
| Sharp License | Apache-2.0 |
|---|---|
| libvips License | LGPL-3.0-or-later |
| Sharp Source | github.com/lovell/sharp |
| libvips Source | github.com/libvips/libvips |
The full text of the GNU Lesser General Public License v3 is available at gnu.org/licenses/lgpl-3.0. The Apache License 2.0 is available at apache.org/licenses/LICENSE-2.0.
Electron
Pluto Photos is built with Electron, an open-source framework for building cross-platform desktop applications with web technologies.
| License | MIT |
|---|---|
| Source Code | github.com/electron/electron |
Other Dependencies
Pluto Photos also relies on hundreds of open-source packages licensed under permissive terms (MIT, ISC, BSD-2-Clause, BSD-3-Clause, Apache-2.0). A full list of dependencies and their licenses is available on request via support@plutophotos.com.
Contact
If you have questions about open-source licensing or need a copy of any license text, contact us at:
support@plutophotos.com