The best alternatives to Switchie are uProxy, Toran Proxy, and Proxy.app. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Switchie?
Snowflake - BUILD— The Free Dev Conference for AI & Apps on Nov. 12-14
The process of adding a Proxy to an existing Wi-Fi connection is cumbersome on macOS, a lot of steps are involved. RerouteMe changes all this with just one click. Switch between Localhost, WAN, or Custom Proxies which will be setup just once!