Santra: third-party software ============================ Santra includes the open-source components listed below. Each one keeps its own licence. The full licence texts are in the "licenses" folder next to Santra.exe, in one subfolder per component. Some components are under the GNU Lesser General Public License (Magick.NET and ImageMagick, TagLib#, FFmpeg). Santra uses them as separate files that you may replace with your own builds, and you may reverse engineer Santra as far as needed to debug such changes. Where to get their exact source code is listed with each one below, and at https://santraapp.com/open-source.html ------------------------------------------------------------------------------ Magick.NET and ImageMagick 15.0.0 Licence: Apache-2.0 (Magick.NET); ImageMagick License; bundled libraries under BSD, MIT, zlib, IJG, FreeType, MPL-1.1 (cairo) and LGPL (libheif, libde265, glib, pango, librsvg, fribidi, gdk-pixbuf, liblqr, libcroco, libraw) licences Copyright: Copyright 2013-2026 Dirk Lemstra; ImageMagick Studio LLC; see the notice for each library Website: https://github.com/dlemstra/Magick.NET Source: Magick.Native-Q8-x64.dll is a separate library you can replace. Source code: https://github.com/dlemstra/Magick.NET/tree/15.0.0 (Magick.NET) and https://github.com/dlemstra/Magick.Native/tree/2026.1010.1943 (the native library, with the exact version of every library built into it). Note: Magick.Native-Q8-x64.dll has 38 libraries built in; Notice.txt lists each one with its licence. Texts: licenses\Magick.NET\Apache-2.0.txt, licenses\Magick.NET\LICENSE.txt, licenses\Magick.NET\Notice.txt ------------------------------------------------------------------------------ TagLib# 2.3.0 Licence: LGPL-2.1-only Copyright: Copyright (c) 2006-2007 Brian Nickel; Copyright (c) 2009-2020 other contributors Website: https://github.com/mono/taglib-sharp Source: TagLibSharp.dll is the unmodified library, used as a separate file you can replace with your own build. Source code: https://github.com/mono/taglib-sharp/tree/TaglibSharp-2.3.0.0 Texts: licenses\TagLibSharp\LICENSE.txt ------------------------------------------------------------------------------ FFmpeg 8.1.3 Licence: LGPL-3.0-or-later (this build includes no GPL or non-free parts) Copyright: Copyright the FFmpeg developers; see the licence of each library Website: https://ffmpeg.org Source: Santra runs FFmpeg as a separate program and does not modify it; its DLLs can be replaced. Source code: FFmpeg https://github.com/FFmpeg/FFmpeg/tree/29e619e767cde9045a75c29bc9a8278ae7b3a98b (n8.1.3-9-g29e619e767) and the build scripts with the exact version of every library https://github.com/BtbN/FFmpeg-Builds/tree/autobuild-2026-09-30-13-08 Note: The LGPL build by BtbN (autobuild-2026-09-30-13-08), shipped as tools\ffmpeg.exe, tools\ffprobe.exe and their DLLs. Texts: licenses\FFmpeg\GPL-3.0.txt, licenses\FFmpeg\LICENSE.txt ------------------------------------------------------------------------------ AngleSharp 1.5.2 Licence: MIT Copyright: Copyright 2013-2026, AngleSharp Website: https://github.com/AngleSharp/AngleSharp Texts: licenses\AngleSharp\LICENSE.txt ------------------------------------------------------------------------------ ClosedXML 0.105.1 Licence: MIT Copyright: Copyright ClosedXML contributors Website: https://github.com/ClosedXML/ClosedXML Texts: licenses\ClosedXML\LICENSE.txt ------------------------------------------------------------------------------ ClosedXML.Parser 2.0.0 Licence: MIT Copyright: Copyright ClosedXML.Parser contributors Website: https://github.com/ClosedXML/ClosedXML.Parser Texts: licenses\ClosedXML.Parser\LICENSE.txt ------------------------------------------------------------------------------ Open XML SDK 3.5.1 Licence: MIT Copyright: Copyright Microsoft Corporation Website: https://github.com/dotnet/Open-XML-SDK Texts: licenses\OpenXmlSdk\LICENSE.txt, licenses\OpenXmlSdk\NOTICE.txt ------------------------------------------------------------------------------ ExcelDataReader 3.9.0 Licence: MIT Copyright: Copyright ExcelDataReader contributors Website: https://github.com/ExcelDataReader/ExcelDataReader Texts: licenses\ExcelDataReader\LICENSE.txt ------------------------------------------------------------------------------ ExcelNumberFormat 1.1.0 Licence: MIT Copyright: Copyright andersnm and contributors Website: https://github.com/andersnm/ExcelNumberFormat Texts: licenses\ExcelNumberFormat\LICENSE.txt ------------------------------------------------------------------------------ Html Agility Pack 1.13.1 Licence: MIT Copyright: Copyright ZZZ Projects Inc. Website: https://github.com/zzzprojects/html-agility-pack Texts: licenses\HtmlAgilityPack\LICENSE.txt ------------------------------------------------------------------------------ HtmlToOpenXml 3.5.0 Licence: MIT Copyright: Copyright 2009-2026 Olivier Nizet Website: https://github.com/onizet/html2openxml Texts: licenses\HtmlToOpenXml\LICENSE ------------------------------------------------------------------------------ Markdig 1.4.1 Licence: BSD-2-Clause Copyright: Copyright Alexandre Mutel Website: https://github.com/xoofx/markdig Texts: licenses\Markdig\LICENSE.txt ------------------------------------------------------------------------------ MetadataExtractor 2.9.3 Licence: Apache-2.0 Copyright: Copyright Drew Noakes 2002-2026 Website: https://github.com/drewnoakes/metadata-extractor-dotnet Texts: licenses\MetadataExtractor\Apache-2.0.txt, licenses\MetadataExtractor\LICENSE.txt ------------------------------------------------------------------------------ Microsoft.Extensions abstractions 8.0.2 Licence: MIT Copyright: Copyright .NET Foundation and Contributors Website: https://github.com/dotnet/runtime Texts: licenses\Microsoft.Extensions\LICENSE.TXT, licenses\Microsoft.Extensions\THIRD-PARTY-NOTICES.TXT ------------------------------------------------------------------------------ Microsoft Edge WebView2 SDK 1.0.4258.31 Licence: Microsoft WebView2 SDK licence (BSD-style) Copyright: Copyright Microsoft Corporation Website: https://aka.ms/webview Texts: licenses\WebView2\LICENSE.txt, licenses\WebView2\NOTICE.txt ------------------------------------------------------------------------------ PDFsharp 6.2.4 Licence: MIT Copyright: Copyright empira Software GmbH Website: https://github.com/empira/PDFsharp Texts: licenses\PDFsharp\LICENSE.txt ------------------------------------------------------------------------------ PDFtoImage 5.4.0 Licence: MIT Copyright: Copyright David Sungaila Website: https://github.com/sungaila/PDFtoImage Texts: licenses\PDFtoImage\LICENSE.txt ------------------------------------------------------------------------------ PDFium 152.0.7961 Licence: BSD-3-Clause (PDFium); bundled libraries under Apache-2.0, BSD, MIT, zlib, IJG, FreeType and ICU licences Copyright: Copyright The PDFium Authors; Benoit Blanchon (build); see the licence of each library Website: https://github.com/bblanchon/pdfium-binaries Note: The pdfium-binaries build chromium/7961; its folder has the licence of each library built into pdfium.dll. Texts: licenses\PDFium\abseil.txt, licenses\PDFium\agg23.txt, licenses\PDFium\Apache-2.0.txt, licenses\PDFium\fast_float.txt, licenses\PDFium\freetype.txt, licenses\PDFium\icu.txt, licenses\PDFium\lcms.txt, licenses\PDFium\libjpeg_turbo.ijg, licenses\PDFium\libjpeg_turbo.md, licenses\PDFium\libopenjpeg.txt, licenses\PDFium\libpng.txt, licenses\PDFium\libtiff.txt, licenses\PDFium\llvm-libc.txt, licenses\PDFium\pdfium-binaries.LICENSE.txt, licenses\PDFium\pdfium.txt, licenses\PDFium\simdutf.txt, licenses\PDFium\zlib.txt ------------------------------------------------------------------------------ PdfPig 0.1.16 Licence: Apache-2.0 Copyright: Copyright PdfPig contributors Website: https://github.com/UglyToad/PdfPig Texts: licenses\PdfPig\Apache-2.0.txt, licenses\PdfPig\LICENSE.txt ------------------------------------------------------------------------------ RBush 4.0.0 Licence: MIT Copyright: Copyright 2017-2024 Turning Code, LLC (and other contributors) Website: https://github.com/viceroypenguin/RBush Texts: licenses\RBush\LICENSE.txt ------------------------------------------------------------------------------ ReverseMarkdown 6.2.1 Licence: MIT Copyright: Copyright Babu Annamalai Website: https://github.com/mysticmind/reversemarkdown-net Texts: licenses\ReverseMarkdown\LICENSE.txt ------------------------------------------------------------------------------ RtfPipe 2.0.7677.4303 Licence: MIT Copyright: Copyright Eric Domke Website: https://github.com/erdomke/RtfPipe Texts: licenses\RtfPipe\LICENSE.txt ------------------------------------------------------------------------------ SharpCompress 0.50.6 Licence: MIT Copyright: Copyright Adam Hathcock Website: https://github.com/adamhathcock/sharpcompress Texts: licenses\SharpCompress\LICENSE.txt ------------------------------------------------------------------------------ SixLabors.Fonts 1.0.0 Licence: Apache-2.0 Copyright: Copyright Six Labors Website: https://github.com/SixLabors/Fonts Texts: licenses\SixLabors.Fonts\Apache-2.0.txt, licenses\SixLabors.Fonts\LICENSE.txt ------------------------------------------------------------------------------ SkiaSharp and Skia 4.150.1 Licence: MIT (SkiaSharp); BSD-3-Clause (Skia); see the third-party notices Copyright: Copyright Microsoft Corporation; Google LLC Website: https://github.com/mono/SkiaSharp Texts: licenses\SkiaSharp\LICENSE.txt, licenses\SkiaSharp\THIRD-PARTY-NOTICES.txt ------------------------------------------------------------------------------ Velopack 1.2.161 Licence: MIT Copyright: Copyright Velopack Ltd. Website: https://github.com/velopack/velopack Texts: licenses\Velopack\LICENSE.txt ------------------------------------------------------------------------------ XmpCore 6.1.10.1 Licence: BSD-3-Clause (Adobe XMP SDK licence) Copyright: Copyright 2015-2021 Drew Noakes; Copyright Adobe Website: https://github.com/drewnoakes/xmp-core-dotnet Note: XmpCore has no licence file of its own; its README says Adobe's XMP SDK BSD licence applies. The text comes from Adobe's XMP-Toolkit-SDK repository. Texts: licenses\XmpCore\LICENSE.txt ------------------------------------------------------------------------------ ZXing.Net 0.16.11 Licence: Apache-2.0 Copyright: Copyright Michael Jahn and ZXing authors Website: https://github.com/micjahn/ZXing.Net Texts: licenses\ZXing.Net\Apache-2.0.txt, licenses\ZXing.Net\LICENSE.txt ------------------------------------------------------------------------------ .NET 10 runtime 10.0.13 Licence: MIT Copyright: Copyright .NET Foundation and Contributors Website: https://github.com/dotnet/runtime Texts: licenses\DotNetRuntime\LICENSE.TXT, licenses\DotNetRuntime\THIRD-PARTY-NOTICES.TXT ------------------------------------------------------------------------------ Windows Presentation Foundation and Windows Forms (.NET 10) 10.0.13 Licence: MIT Copyright: Copyright .NET Foundation and Contributors Website: https://github.com/dotnet/wpf Texts: licenses\WindowsDesktop\LICENSE ------------------------------------------------------------------------------ Windows SDK projection for .NET 10.0.19041.57 Licence: Microsoft Software License Terms for the Windows SDK (redistributable); WinRT.Runtime: MIT Copyright: Copyright Microsoft Corporation Website: https://aka.ms/WinSDKLicenseURL Note: Microsoft.Windows.SDK.NET.dll is Microsoft's redistributable Windows SDK projection (terms: https://aka.ms/WinSDKLicenseURL). The included text is the MIT licence of C#/WinRT, which provides WinRT.Runtime.dll. Texts: licenses\WindowsSdkProjection\LICENSE.txt ------------------------------------------------------------------------------ Windows features Santra uses without extra components: Windows.Media.Ocr (text recognition), Windows.Media.FaceAnalysis (face detection), the Media Foundation H.264 and AAC encoders, and the share sheet.