[rishabg]

Don't know what you meant by tagging but Gitlab (https://about.gitlab.com/) has a snippets feature that might fit the bill.

[Gmo]

By tagging I mean adding a bunch of tags describing for what the snippet is useful.

Exmeple : #js (more or less obvious from the filetype) #googlemapsapi for a snippet which would show how to use the google maps API

Then you would have a page with a tag cloud which allows to easily filter all the snippets (or that could be used in search).

Quite close to the way tagging works in stackoverflow for instance

[sytse]

GitLab CEO here, we're open to having someone add labels to snippets, feel free to send a merge request.