Extensions that start with the letter M, run on ExpressionEngine 1, are compatible with LG Add-on Updater and are sorted by Entry Date.
This extension change category list view for publish/edit page. You can choose between two UI mode – Line and 2Side.
MX Custom Tabs allows you to create a custom tabs and link them to custom fields.
MX Multi Language Labels is little addon which allow to create multi language labels for custom fields.
MX Custom Field Access allows you to hide/show(from publish page) custom fields on member_group-weblog basis.
The MD Show Expired extension for ExpressionEngine shows and filters expired entries on the Edit page in the EE Control Panel.
Add a Live Search to your ExpressionEngine Control Panel for weblog entries and comments.
Create a markItUp! custom field type in the ExpressionEngine Control Panel. Add per-field button sets, and create custom buttons for advanced use.