Open Source & Third-Party Licenses

DiscoverFile is built on the work of many open source projects. This page lists all third-party components with their copyright notices and full license texts. All third-party components are used in accordance with their respective licenses. A copy of this information is also bundled in the application installation directory as THIRD_PARTY_LICENSES.txt.

External Tools — not bundled, user downloads separately
PDFium pdfium-binaries Apache 2.0 Not bundled

PDF rendering engine for PDF thumbnail generation.

Apache License, Version 2.0

Copyright (c) PDFium Authors
Copyright (c) Benoît Blanchon

See https://www.apache.org/licenses/LICENSE-2.0 for full Apache 2.0 text.

PDFium is NOT bundled with DiscoverFile. Users download pdfium.dll
separately and configure the path in Settings.
HEIF Image Extensions Proprietary / Microsoft Not bundled

Windows Shell extension for HEIC/HEIF image decoding.

HEIF Image Extensions is a Microsoft Windows Store application.

This extension is NOT bundled with DiscoverFile. It is a free, optional
Windows Store application that provides HEIC/HEIF image decoding support
via the Windows Shell API (IShellItemImageFactory).

DiscoverFile does not redistribute or bundle the HEIF Image Extensions.
Users install it optionally from the Microsoft Store.

Microsoft Terms of Use: https://www.microsoft.com/en-us/servicesagreement
Front-end Libraries — bundled in application

All MIT-licensed libraries below are governed by the MIT License: Permission is hereby granted, free of charge, to any person obtaining a copy… THE SOFTWARE IS PROVIDED "AS IS"… Full text is available via each library's "View License" link.

React v19 MIT

UI component library and rendering engine.

@tanstack/react-query v5 MIT

Async data fetching and caching for drive and file queries.

@tanstack/react-virtual v3 MIT

Virtualized list rendering for large file galleries.

Tauri v2 MIT / Apache 2.0

Desktop app framework bridging the web frontend to the Rust backend.

MapLibre GL JS v5 BSD 3-Clause

WebGL-based map renderer used for the Photo Map feature.

BSD 3-Clause License

Copyright (c) 2020, MapLibre contributors
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice,
   this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright
   notice, this list of conditions and the following disclaimer in the
   documentation and/or other materials provided with the distribution.

3. Neither the name of the copyright holder nor the names of its
   contributors may be used to endorse or promote products derived from
   this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
Recharts v3 MIT

Composable chart library for storage and file type graphs.

Zustand v5 MIT

Lightweight state management for app-wide settings and UI state.

@uiw/react-color v2 MIT

Color picker component used in tag customization.

Back-end Libraries — compiled into application binary

The following Rust crates are compiled into the DiscoverFile binary. All are MIT or MIT/Apache 2.0 dual-licensed. Full MIT License text: Permission is hereby granted, free of charge, to any person obtaining a copy of this software… THE SOFTWARE IS PROVIDED "AS IS"… View each project's license via the links below.

serde / serde_jsonv1MIT / Apache 2.0

Serialization/deserialization framework for all data exchange.

rusqlitev0.31MIT

SQLite bindings for the local metadata database.

r2d2 / r2d2-sqliteMIT / Apache 2.0

Connection pooling for the SQLite database.

tokiov1MIT

Async runtime for concurrent indexing and Tauri commands.

rayonv1MIT / Apache 2.0

Data-parallelism for multi-threaded thumbnail generation.

imagev0.25MIT / Apache 2.0

Image decoding and encoding for thumbnail generation.

loftyv0.22MIT / Apache 2.0

Audio metadata reading for music files.

kamadak-exifv0.5MIT

EXIF metadata extraction for photo GPS and camera data.

pdfium-renderv0.8MIT

Rust bindings to PDFium for PDF thumbnail rendering.

jwalkv0.8MIT

Parallel filesystem directory walking for fast drive indexing.

notifyv7CC0 / MIT

Filesystem change notifications for drive watch mode.

matroskav0.30MIT

MKV/WebM container parsing for video metadata.

mp4v0.14MIT

MP4/MOV container parsing for video metadata.

wmiv0.14MIT

Windows Management Instrumentation queries for drive detection.

thiserrorv2MIT / Apache 2.0

Ergonomic error type derivation.

log / tauri-plugin-logMIT / Apache 2.0

Structured logging throughout the application.

base64v0.22MIT / Apache 2.0

Base64 encoding for thumbnail data transport.

ONNX RuntimeMIT

Machine learning inference engine for face detection and recognition.

Map & Data
Natural Earth Public Domain

Public domain map data providing land, country, and state/province boundaries for the offline Photo Map.

Natural Earth — Public Domain

All versions of Natural Earth raster and vector map data found on this
website are in the public domain. You may use the data in any manner,
including modifying the content and design, electronic dissemination,
and offset printing. The primary authors, Tom Patterson and Nathaniel
Vaughn Kelso, renounce all financial claim to the data and software,
and its subsequent uses.

No permission is needed to use Natural Earth. Natural Earth GeoJSON
files are bundled in the DiscoverFile application for the Photo Map.