it-concat
Concat all buffers/strings yielded from an async iterable into a single BufferList/string
regex-join
Merge multiple regexes and strings into one, preserving all the flags, automatically escaping the strings
montag
format multiline strings using tagged templates, instead of puting all lines into an array and joining to a string
joinable
Join strings with built in control flow. Because we always need to join strings logically.