You can run any number of follow-up actions each time you copy a snippet. For example, you could add a row to a spreadsheet (.tsv and .csv) with the name and email address of whom you replied to and set a reminder for yourself to follow up with that person after a week.
Keep track of:
Set a reminder for yourself to follow up with somebody you replied to.
The language of a snippet is detected automatically. Use the #tag syntax to show only snippets in a certain language, e.g. #de shows only German snippets.
You can assign any number of tags to each snippet and then narrow your search to snippets of a certain tag.
You have full control over your data. You could create separate snippet documents for each team, project, etc.