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Third-Party Notices and Acknowledgements
Version 1.0 — 2 November 2026.
S-AlgoL software is built with the help of the following components. We thank their authors. Each component is used under its own licence. Nothing in our licence agreement limits your rights under these licences.
SteelMatrix
Open-source components
| Component | Author / copyright | Licence |
|---|---|---|
| Calcpad (Calcpad.Core, Calcpad.OpenXml) — calculation engine | © 2024 Ned Ganchovski — https://calcpad.eu | MIT |
| Open XML SDK (DocumentFormat.OpenXml) | © Microsoft Corporation and contributors | MIT |
| HtmlAgilityPack | © ZZZ Projects Inc. and contributors | MIT |
| Markdig | © Alexandre Mutel | BSD 2-Clause |
| SkiaSharp | © Microsoft Corporation and contributors (Skia © Google LLC) | MIT (Skia: BSD 3-Clause) |
| System.IO.Packaging | © .NET Foundation and contributors | MIT |
| Microsoft Edge WebView2 SDK (WebView2Loader) | © Microsoft Corporation | Microsoft WebView2 SDK licence (BSD-style) |
| FreeImage | The FreeImage Project — https://freeimage.sourceforge.io | FreeImage Public License 1.0 |
| jQuery (embedded in the report viewer) | © OpenJS Foundation and contributors | MIT |
| Clipper 6.4.2 | © Angus Johnson | Boost Software License 1.0 |
| nanosvg | © Mikko Mononen | zlib |
| stb_image_write | Sean Barrett | Public domain / MIT |
| ImageStone | © Fu Li | ImageStone licence (copyright notice retained) |
| BitmapEx | CodeProject author | The Code Project Open License (CPOL) |
| PropertyGrid 2.3 | © David MacDermot | The Code Project Open License (CPOL) |
Commercial components (used under licence)
| Component | Supplier |
|---|---|
| ChartDirector 7 | Advanced Software Engineering Ltd — https://www.advsofteng.com |
| LibXL | XLware — https://www.libxl.com |
| LiteCAD (including its .lcf fonts) | Kolbasoft |
| Quick License Manager | Soraco Technologies Inc. — https://soraco.co |
Other S-AlgoL applications (added as each one is released)
Components used by applications still in development: ACadSharp (MIT, © 2021 Albert Domenech); PDFium (BSD 3-Clause / Apache 2.0, © The PDFium Authors); SQLiteCpp (MIT, © Sebastien Rombauts); SQLite (public domain); plog (MIT, © Sergey Podobry); TQMesh (MIT, © Florian Setzwein); UnitsNet (MIT No Attribution); Scintilla / Lexilla (© Neil Hodgson, Scintilla licence); Notepad4 (BSD 3-Clause, © Zufu Liu and contributors); SuperLU (BSD-style, © The Regents of the University of California); ZeeGrid; sgCore; Virtual Print Engine (IDEAL Software).
Full licence texts
The licence texts, or links to the longer ones, are installed with the software in the licenses folder. Copies
are also available from support@S-AlgoL.com.