Docs in progress for ‘QGIS testing’. Visit https://docs.qgis.org/2.18 for QGIS 2.18 docs and translations.

Using QGIS Core Plugins

Icon Plugin Description Manual Reference
coordinateCapture Coordinate Capture Capture mouse coordinate in different CRS Coordinate Capture Plugin
dbManager DB Manager Manage your databases within QGIS DB Manager Plugin
eventId eVis Event Visualization Tool eVis Plugin
geometryChecker Geometry Checker Check and repair errors in vector geometries Geometry Checker Plugin
georefRun Georeferencer GDAL Georeference rasters with GDAL Georeferencer Plugin
gpsImporter GPS Tools Tools for loading and importing GPS data GPS Plugin
grass GRASS GRASS functionality GRASS GIS Integration
metasearch Metasearch Catalog Client Interact with metadata catalog services (CSW) MetaSearch Catalog Client
offlineEditingCopy Offline Editing Offline editing and synchronizing with database Offline Editing Plugin
showPluginManager Plugin Manager Manage core and external plugins The Plugins Dialog
geoprocessing Processing Spatial data processing framework QGIS processing framework
topologyChecker Topology Checker Find topological errors in vector layers Topology Checker Plugin