The best alternatives to Translate Channels for Slack are Lingvanex, Type Wakanda, and Slack Translate. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Translate Channels for Slack?
Translate text into any language from within Slack. You can translate messages from others, your own messages, or any text. Power features include posting translations to the channel and automatically translating all messages posted to a channel.
Transify is a fast and easy solution to language barrier in teams, it's easy to use, all you need to do is use slash commands e.g \spanish. (and many other languages) Translate Slack Messages without leaving slack or opening a new Tab!