VisiData is an open-source tool that can be installed and used for free (under the terms of GPL3).
The base VisiData utility and library will remain free. Other tools may be made available for purchase, and proceeds will be used to improve VisiData and the entire ecosystem:
If you have a question, issue, or suggestion regarding the free VisiData tool, please create an issue on Github.
If you have other questions, or would like more in-depth help or support, please contact either: