CMB2 is a metabox, custom fields, and forms library for WordPress that will blow your mind.
WordPress.org Plugin Page
Translations for the readme are published almost immediately. The initial language pack for the plugin will be generated when 90% of the Development (trunk) sub-project strings have been translated (currently 6%).
|Set / Sub Project||Translated||Fuzzy||Untranslated||Waiting|
|Development (trunk) 6%||9||0||152||0|
|Development Readme (trunk) 0%||0||0||593||0|