asciinema [as-kee-nuh-muh] is a free and open source solution for recording terminal sessions and sharing them on the web. To learn about asciinema, you can visit asciinema.org.
And this project is a cross-platform version of asciinema writtern in go with full features. You can use it to create, edit, upload, convert(to gif animation) an asciinema cast on MacOS/Linux/Windows.
Show HN: A cross-platform asciinema terminal recording tool | Heykuki News