This document lists all third-party library dependencies used in the CCL cross-platform framework.
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Assimp - Open Asset Import Library for 3D models (custom CCL branch)
- License: BSD 3-Clause
- Copyright (c) 2006-2021 assimp team
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cmark - CommonMark parsing and rendering library
- License: BSD 2-Clause
- Copyright (c) 2014 John MacFarlane
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Cross-platform COM - Component Object Model interfaces for C++
- License: BSD 2-Clause
- Copyright (c) 2024 CCL Software Licensing GmbH
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Crypto++ - Cryptographic library
- License: Public Domain (Boost Software License for some files)
- Compilation Copyright (c) 1995-2019 by Wei Dai
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debug_malloc - Memory debugging utilities based on Nvwa
- License: zlib-style License (Permissive)
- Copyright (C) 2004-2022 Wu Yongwei
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Expat - XML parser library
- License: MIT License
- Copyright (c) 1998-2025 Expat maintainers, Thai Open Source Software Center Ltd
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HIDAPI - HID (Human Interface Device) API for USB/Bluetooth
- License: Dual-licensed: BSD 3-Clause OR GPL 3.0
- Copyright (c) 2010 Alan Ott, Signal 11 Software
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libpng - PNG image format support
- License: PNG Reference Library License version 2 (Permissive, similar to zlib)
- Copyright (c) 1995-2026 The PNG Reference Library Authors
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libusb - USB device access library with community-supported CMake build
- License: LGPL 2.1
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libwebp - WebP image codec
- License: BSD 3-Clause
- Copyright (c) 2010 Google Inc.
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mbedTLS - TLS/SSL and cryptography implementation
- License: Dual-licensed: Apache 2.0 OR GPL 2.0-or-later (user's choice)
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Node.js - JavaScript runtime integration (headers for CCL-based addons)
- License: MIT License
- Copyright Node.js contributors
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NSIS Plugins - Custom plugins for NSIS installers (ccltools, liteFirewall, nsResize)
- License: Various (see individual plugin licenses in submodule)
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PCRE2 - Perl-Compatible Regular Expressions library
- License: BSD 3-Clause
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Skia - 2D graphics engine (custom CCL branch)
- License: BSD 3-Clause
- Copyright (c) 2011 Google Inc.
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SpiderMonkey - Mozilla’s JavaScript and WebAssembly Engine (custom CCL branch)
- License: Mozilla Public License v2.0
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SQLite - Embedded SQL database engine (preprocessed for CCL)
- License: Public Domain
- The author disclaims copyright to this source code
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TUIO 1.1 - Multi-touch input protocol implementation
- License: LGPL 3.0
- Copyright (c) 2005-2017 Martin Kaltenbrunner
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Visual C++ Redistributable - Microsoft VC++ runtime for installers
- License: Microsoft Software License Terms
- Copyright (C) Microsoft Corporation
- See: https://visualstudio.microsoft.com/license-terms/
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Vulkan Utility Libraries - Utility libraries for Vulkan development
- License: Apache 2.0
- Copyright 2023 The Khronos Group Inc., Valve Corporation, LunarG, Inc.
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Wayland Server Delegate - Nested delegating Wayland server for Linux
- License: BSD 2-Clause
- Copyright (c) 2023 CCL Software Licensing GmbH
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WebView2 - Microsoft Edge WebView2 SDK for Windows
- License: BSD 3-Clause
- Copyright (C) Microsoft Corporation
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Yoga - Flexbox layout engine
- License: MIT License
- Copyright (c) Facebook, Inc. and its affiliates
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zlib - Compression library (used by libpng)
- License: zlib License (Permissive)
- Copyright (c) 1995-2026 Jean-loup Gailly and Mark Adler
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zlib-ng - High-performance zlib replacement
- License: zlib License (Permissive)
- Copyright (c) 1995-2024 Jean-loup Gailly and Mark Adler
Last updated: 2026-06-10