Repairing geometry using QGIS?
8384
Fixing geometry validity errors in QGIS 2?
125369
Deleting Shapefiles using QGIS?
137447
Mis-aligned shapefiles in QGIS?
58440
How can I fix this area?
68928
Matching points to polygons and handling points NOT in polygons
71255
Remove extra geometry from objects
23487
Aligning multiple points to line in QGIS?
23207
Seeking model builder for QGIS?
96715
Adjusting polygons to boundary and filling holes
82524
Splitting all lines in layer at vertices using QGIS
54081
Measuring the distance between lines and points in QGIS
2036
Creating 3D model in QGIS?
113019
How to re-calculate area, perim, p2a,width and length in QGIS?
118799
Merging shapefiles with different geometries (point and polygon) to get single layer with multiple geometries?
112098
Making polygons "complete" in QGIS?
50374
Displaying overlapping points in QGIS?
17482
How to fix corrupted QGIS project file that causes Windows to freeze?