Here are some of best tutorials that can guide your way to becoming more wonderful designer than you already are.
LOGO
Create Isometric Grid-Based 3D Lettering

Programs: Illustrator
Level: Intermediate
Skills: Typography, Grids, Creating 3D Objects
Simple Organic Shapes the Illustrator Way

Programs: Illustrator
Level: Beginner
Skills: Opacity, Duplication, Masks
Creating a Crazy Cool Logo

Programs: Illustrator
Level: Intermediate
Skills: Typography, Shading, Gradient, Transformations
Create a Clean Retro Badge in Adobe Illustrator

Programs: Illustrator
Level: Intermediate
Skills: Typography, Pattern Brushes, Effects, Color Management
WEB
Watercolored Design Studio Blog Layout

Programs: Photoshop
Level: Intermediate
Skills: Opacity, Typography, Buttons, Layout
Design a Warm, Cheerful Website Interface in Adobe Photoshop

Program: Photoshop
Level: Intermediate
Skills: Grids, Filters, Navigation Bars, Typography, Buttons, Masks
How to Build a Stylish Portfolio Web Design Concept

Program: Photoshop
Level: Beginner
Skills: Color Management, Buttons, Shadows
Create a Nature Inspirated Painted Backdrop in Photoshop

Programs: Photoshop
Level: Beginner
Skills: Brushes, Noise, Color Management, Texture
Remember: If you use any brushes as a stamp, remember that you MUST declare that as stock artwork when you submit your design!
APP
Photoshop Tutorial: Create a Multimedia Player

Program: Photoshop
Level: Beginner
Skills: Beveling and Embossing, Gradients, Layers, Masks
Design a Clean Launch Email for a Mobile App

Program: Photoshop
Level: Intermediate
Skills: Smart Objects, Clipping Masks, Warping Text, Buttons, Shadows, Footers
Design an IPad App UI

Program: Photoshop
Level: Intermediate
Skills: Grid Structures, Wireframes, UI/UX design, Marquee, Masking
ICON
Quick Tutorial: Create a Sleek Bevel Styled Icon

Program: Illustrator
Level: Beginner
Skills: Buttons, Depth, Shading
Icon Design Tutorial: Drawing a Pencil Icon

Programs: Illustrator
Level: Intermediate
Skills: Sketching, Paths, Shapes, Gradient, Color Management
Icon Tutorial: Video Projector

Programs: Illustrator
Level: Intermediate
Skills: Gradients, Pen Tool, Ellipse Tool
How to Illustrate a Tomato Using Adobe Illustrator

Programs: Illustrator
Level: Advanced
Skills: Meshes, Gradients, Blends, Paths, Shading
A Tutorial for Good Typography in InDesign – Setting up a Baseline Grid

Programs: InDesign
Level: Beginner
Skills: Grids, Typography, Layout
How to Create A Professional Magazine Layout

Programs: Indesign
Level: Beginner
Skills: Alignment, Grids, Text, White Space
Design a Ready to Print Brochure in Photoshop

Program: Photoshop
Level: Intermediate
Skills: Drafting, Bleeds and Margins, Texture, Color, Shadow, Free Transform
Design a Grunge Vintage Poster in Photoshop

Program: Photoshop
Level: Beginner
Skills: Pattern, Guides, Shapes, Layers, Colorizing, Texture, Hue/Saturation
PACKAGING
Create a Zee Vintage Label on Illustrator

Programs: Illustrator, Photoshop
Level: Intermediate
Skills: Typography, Layout, Masks, Layers, Texture
Create a Stylish Coffee Cup with Smart Objects

Programs: Photoshop
Level: Advanced
Skills: Paths, Free Transform, Shadows, Gradient Overlay, Layers, Opacity, Blurs, Highlights, Masks
T-SHIRT
Create Abstract Characters

Programs: Illustrator
Level: Intermediate
Skills: Sketching, Color Management, Depth, Brushes
Add Textures to Vectors Using Smart Objects

Program: Illustrator, Photoshop
Level: Intermediate
Skills: Color, Smart Objects, Textures
Layer up Vectors for Unique Effects

Programs: Illustrator
Level: Advanced
Skills: Pen Tool, Color Management, Layers, Shading
Simulate Screenprint Effects

Programs: InDesign, Photoshop
Level: Beginner
Skills: Photography, Converting File Type, Bitmap, Rasters