Extensions

Name	Docs	Description
Feature
Post Comments		Allow users to make comments on images
Post List		Show a list of uploaded posts
File Handling
Handle MP3		Handle MP3 files
Handle Pixel		Handle JPEG, PNG, GIF, WEBP, etc files
Handle Video		Handle FLV, MP4, OGV and WEBM video files.
Replace File		Allows people to replace files for existing posts
Transcode Image		Allows admins to automatically and manually transcode images.
General
Alias Editor		Edit the alias list
Autocomplete		Adds autocomplete to search & tagging.
BBCode		Turns BBCode into HTML
System Info		Show various bits of system information
Metadata
Auto-Tagger		Provides several automatic tagging functions
Lock Editor		Allow images to have metadata locked
Notes		Annotate images
Owner Editor		Allow images to have owners assigned to them
Post Ratings		Allow users to rate images "safe", "questionable" or "explicit"
Post Relationships		Allow posts to have relationships (parent/child).
Post Scores (Numeric)		Allow users to score images
Source Editor		Allow images to have sources assigned to them
Tag Editor		Allow images to have tags assigned to them