Extensions

Extension Manager

NameDocsDescription

Feature
Rough forum extension
Allow users to create groups of images and order them.
Allow users to make comments on images
Show a list of uploaded posts
Allow users to send messages to eachother
A simple wiki, for those who don't want the hugeness of mediawiki

File Handling
Handle JPEG, PNG, GIF, WEBP, etc files
Handle static SVG files.
Handle FLV, MP4, OGV and WEBM video files.
Regenerate a thumbnail image
Allows people to replace files for existing posts

General
Edit the alias list
Adds autocomplete to search & tagging.
Turns BBCode into HTML
Lets users use graphical smilies
Allow users to favorite images
Allow users to filter out tags.
Add HTML to some space (News, Ads, etc)
Show various forms of link to each image, for copy & paste
Show a random line of text in the subheader space
Show various bits of system information
Allow users to write a bit about themselves

Integration
Allows the user to add a browser 'plugin' to search the site with real-time suggestions
Allow Danbooru apps like Danbooru Uploader for Firefox to communicate with Shimmie
Self explanatory
Self explanatory
Provides reverse search links for images.
Sitemap with caching & advanced priorities

Metadata
Allow images to have metadata locked
Allow images to have owners assigned to them
Add titles to media posts
Tracks & displays how many times a post is viewed
Allow images to have sources assigned to them
Allow images to have tags assigned to them
Simple artists extension

Moderation
Check uploads against the EOKM blocklist
Ban images based on their hash
Report posts as dupes/illegal/etc
Keep a record of tag changes, and allows you to revert changes.
Provides "Trash" or "Recycle Bin"-type functionality, storing deleted images for later recovery