QuickStatements 2 (Q29032512)
 
QuickStatements 2
This tool can add or remove statements (with optional qualifiers and sources) to Wikidata items and can run in batch mode. See documentation at Help:QuickStatements.
by Magnus Manske
Names As Labels (Q21640602)
Copy labels which are proper names from one language to another.
by Magnus Manske
Multi-track Drafting (Q121850118)
A small web app for easily editing album (Q482994) items on Wikidata by creating items for individual tracks, and then adding them as tracklist (P658) statements on the album item. (Manual)
by Nicereddy