These blogs are not in any particular order - they are all great.
Video: An Easy, Flat Fly-Front Zipper (Threads) This is a really useful tutorial that makes putting in a flat fly-front zipper so easy thanks to Sandra Betzina
Nancy Zieman's slide and pivot method of changing patterns
Tea Towel wallet
How to make a Pin Pouch - You Tube tutorial
Sigrid Sewing Projects
Sigrid is a lovely lady (I have met in person) who lives in the Netherlands and is a real inspiration to me - I have added some of her tutorials from her site here which I am sure you will also find invaluable.
Sleeve vent - method 1
Sleeve vent - method 2
Bagging a lining: where the lining meets the facing
Bra with partial scallop band
Bunny is the owner of the La Sewista blog - I would love to meet her as she is another inspiration for me. She has a wealth of tutorials on her blog, and I am trying to add as many as I can here for you too.
Sewing bias strips
Piping corners and curves
It's a Pretty Modern Life
Fully lined zippered box pouch - pattern and tutorial
Off the Cuff
Adding seam allowance to Burda Style patterns
Link to all the webcasts