Tutorials

Visit training library for editing Wikipedia, Wikidata, Wikimedia Commons and event organization (e.g. edit-a-thons, datathons, clinics).
Portuguese training content available at Wikivesidade on First Steps and Guides.

Tools

Programs & Events Dashboard is a tool which assists the management of wiki programs and events.
PagePile manages lists of pages on Wikipedia, Wikidata e Wikimedia Commons.
QuickStatements is a tool to batch-edit Wikidata.
PetScan is a tool for querying Wikimedia databases and editing Wikidata.
ProVe is a tool for helping editors improve the references of Wikidata items.
Wikidata Property Explorer is a tool to browse and filter the tree of Wikidata properties.
Listeria is used to generate and update dynamic lists on Wikidata and Wikipedia
Wikidata Query Service is a query language used to retrieve and manipulate Wikidata using SPARQL (also available as visual interface on Wikidata Query Builder)
Wiki Shoot Me is a tool for mapping Wikidata items without images
SPINACH Wikidata Agent chatbot SPARQL-based agent for questions on Wikidata
WikiCompleter is a tool to list articles from on Wikipedia with most interwikis without article in target Wikipedia
Duplicity
Duplication Detector
Copyvio Detector
LiftWing (former ORES)
WikiMap
CitationHunt
Not In The Other Language
Free Image Search Tool
HotCat
Cat-a-lot
Scholia
Identifier to QuickStatements
Check Crossref
Q to Bibliography
Text to Topics
PyWikiBot is a Python library and collection of scripts that automate work on MediaWiki
CopyPatrol is a tool that allows you to see recent Wikipedia edits that are flagged as possible copyright violations
PAWS
Etherpad
CropTool
VideoCutTool
Map Zoom
Image Annotation
New Q5 on Wikidata

Editing Wikipedia