UMCO 

Doc Type Grid Editor is an advanced grid editor for Umbraco 8

Nested Content is a list editing property editor for Umbraco 7.1+

Ditto - the friendly POCO mapper for Umbraco

Vorto - 1:1 multilingual property editor wrapper for Umbraco

Inner Content is a helper package for other Doc Type based property editors

Inner Content is a helper package for other Doc Type based property editors

Stacked Content is an Umbraco property-editor for creating stacked content blocks.

A fluent CRUD user interface generator for Umbraco

A fluent CRUD user interface generator for Umbraco

Property List is a property editor for making repeatable lists of a datatype for Umbraco 7.6+

Content List is an Umbraco property-editor for creating a list of content blocks.