Codespace might be a bit more popular than Unlayer. We know about 1 link to it since March 2021 and only 1 link to Unlayer. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Before that we had some luck using RazorLight, but we did all email templates in an editor Unlayer, exported the html and made a layout and view files. Source: about 1 year ago
Snip and tot are awesome... the first is free and uses githum gists to sync things, the second I love since it gives me a couple quick blocks to keep things on both mac and ios If you need more I was using CodeSpace to keep all my php, js, py scripts handy. Source: about 2 years ago
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