You can use the Hashtag Manager available in Comity to create hashtag groups and easily add to your posts using the "Hashtag Picker" available in the post editor.
Managing Hashtag Groups
- Click account menu and select Preferences.
- Find the hashtag groups section and click "Add Hashtags"
- Create a new hashtag group and save.
- Look for the # icon in post editor and you can attach your hashtags with just a click to your posts.