Cacoo - Create diagrams online

Cacoo is a user friendly online drawing tool that allows you to create and share a variety of diagrams such as site maps, wire frames, UML and network charts. Cacoo can be used free of charge.

Website: Cacoo - Online diagrams and charts maker - https://cacoo.com/
Price: Free - $4.95 to $99 month - Cacoo Plans Pricing
Alternative Desktop Software: Diagram Designer - Visio - SmartDraw

Aviary Phoenix - Advanced Image Editor

Phoenix is a full-featured image editor with layers, masks, effects, undo history, and all that other good stuff found in desktop image editors. All the tools you need to edit your images.

Website: Phoenix by Aviary - Advanced online image editor - http://www.aviary.com/tools/image-editor 
Price: Free
Desktop Alternative Software: Photoshop - Windows Paint - Paint.net - Gimp - Paint Shop..

Aviary Raven Vector Editor - Online vector graphics maker

Create fully scalable vector art. Perfect for customizing logos, graphic art, icons, and more! Apply filters to your vectors to come up with infinite new forms of art. Work with layers, groups, and layer masks. Import and edit scalable vector graphics (SVG) files.

Website: Aviary Raven Vector Editor and creator app - http://www.aviary.com/tools/vector-editor 
Price: Free
Desktop Alternative Software: Adobe Illustrator - InkSkape - Corel Draw..

Aviary Falcon - Image Markup and resize tools.

Use Falcon to crop, resize, or markup images and web pages from your browser or desktop. Ideal for designers, bloggers, and meme enthusiasts.

Website: Aviary Falcon Image Markup - resize, crop and markup images online - http://www.aviary.com/tools/vector-editor
Price: Free
Desktop Alternative Software: Informatik - Image Markup Tool - Snagit ..

Effect Editor (Peacock) - Photo effects creator.

Peacock Effect Editor let you experiment with a wide range of terrains and patterns, or create your own photo effects. You really have to try it out to believe it; there's nothing else quite like it.

Website: Aviary Peacock Effect Editor - Patterns and effects maker.

Photoshop Express - Online photo edit

Photoshop Express is online tools for image editing, create and share photos online with free 2GB storage.

Website: Photoshop Express - Online image editing application.

MockFlow - User interface maker

MockFlow is a super easy wire-framing application to Design, collaborate user interface mockups for your software and websites. Get your visual concept ready in minutes.

 Website: MockFlow - Online super easy wire-framing application

SlideRocket - Online presentation builder

SlideRocket is a revolutionary new approach to business communications designed from the start to help you make great presentations that engage your audience and deliver tangible results.

 Website: SlideRocket - Online presentation maker application

MyBannerMaker - Banner maker

MyBannerMaker.com is a simple, yet awesome, way to create banners for your website, social networking profiles (including FB banners) online advertising or simply for promoting of your business or event.

Website:  MyBannerMaker - Online banner maker for websites

FloorPlanner - Floor plan maker

Floorplanner is the easiest and best looking way to create and share interactive floor plans online. With simple drag and drop tools you can make accurate plans within minutes all on scale.

 Website: FloorPlanner - Online floor plans creator application

Creaza Cartoonist - Cartoons comics creation tools

Cartoonists is an online comic tool to create cartoons or personal digital stories, consisting of professional backgrounds, characters, props, images and text. With Cartoonist, you can compose multimedia stories.  You can use the tool to create comic strips or more personal digital narratives.

 Website: Cartoonist - Online cartoons and comics creation application