About | IP Messenger for macOS

IP Messenger for macOS is a macOS clone of IP Messenger (IPMsg).
The original version is a Windows application created by H.Shirouzu, published at the IP Messenger site.
This macOS version is developed with a focus on a familiar feel to the Windows version and on communication interoperability.

Key features

No server or account required
Message encryption
File and folder attachments

License

IP Messenger for macOS is freeware distributed under the modified BSD License (3-clause BSD License). You are free to redistribute and modify both the binary (executable) and the source code, as long as the conditions below are met.

Full license text

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

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

Summary

The English text above is the authoritative license. The notes below are a plain-language summary; if anything conflicts, the original text takes precedence.

Free to use. No permission or notification is required, whether for personal or commercial use.
Free to redistribute. You may redistribute the original archive as-is with no additional conditions.
Free to modify and embed, provided that:
- Source-form redistributions retain the copyright notice, the list of conditions, and the disclaimer.
- Binary-form redistributions reproduce the copyright notice, the list of conditions, and the disclaimer in the accompanying documentation or materials.
- You do not use the names of the copyright holder or contributors to endorse or promote derived products without prior written permission.
No warranty. The software is provided “as is”, and the author is not liable for any damages arising from its use.