Tiny Link:

Zlib-Libpng License (Zlib) Explained

(Open Source)

Quick Summary:

This license is used for the zlib library and some other open-source libraries/packages. It is very short and very permissive. It requires you to change the name of modified software and contains a sentence removing liability from the authors of the software.

  • Can
  • Commercial Use
    This software can be used for commercial purposes in derivative works.
  • Modify
    This software can be modified.
  • Distribute
    The software may be distributed.
  • Cannot
  • Hold Liable
    Software is released without warranty and the software/license owner cannot be charged for damages.
  • Must
  • Include Copyright Notice
    You must retain the original copyright notice.
  • Rename
    Must change software's name if modified/distributed.

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Other licenses:
Creative Commons Attribution NonCommercial (CC-NC) | Apache License 2.0 (Apache-2.0) | Artistic License 2.0 (Artistic) |
Full Text:

The zlib/libpng License Copyright (c)

This software is provided 'as-is', without any express or implied warranty. In no event will the authors be held liable for any damages arising from the use of this software.

Permission is granted to anyone to use this software for any purpose, including commercial applications, and to alter it and redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must not claim that you wrote the original software. If you use this software in a product, an acknowledgment in the product documentation would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source distribution.