Vectorel Digitizer Pro
Vectorel Digitizer Pro is a QGIS plugin for creating and editing vector features by entering, pasting or modifying numerical vertex coordinates. Includes a map-based polygon drawing tool with live area calculation. Also simultaneously converts coordinates according to CRS selection.
Vectorel Digitizer Pro adds three tools to the QGIS vector editing toolbar. 1. Add By Coordinates: create new features by typing vertex coordinates with real-time area calculation. 2. Coordinate Editor: edit existing features numerically, with copy/paste and reprojection support and real-time area display. 3. Drawing Digitizer: draw polygons directly on the map canvas with an editable coordinate table and real-time area display. Supports Point, Line, Polygon, Multi-part and Z/M geometries. Coordinate reprojection on the fly.
V2.0.4 - In The Drawing Digitizer tool, license coordinates sorted clockwise, beginning from the "top-left" corner.