Read the upstream summary on the left, browse the cached forks below it, and load each fork comparison into the right-hand panel.
unknwon/the-way-to-go_ZH_CN appears to be an open source project focused on its documented capabilities. 《The Way to Go》中文译本，中文正式名《Go 入门指南》
This fork is materially different enough that adopters should validate long-term maintenance and upgrade cost.
This looks like a light customization rather than a fundamentally different product.