Encode your images into BASE64. Just hit drag and drop your image or click to upload then grab the BASE64 or the img tag with the code already in there!

http://bse64.com/

Cross-platform notebook for your code snippets. Supports highlighting, side by side notes (eg, HTML vs Javascript) and markdown.

https://b00st.io/

Xmind - The most popular mind mapping software is coming with the biggest upgrade in its history!

http://www.xmind.net/

File.io - Ephemeral file sharing Convenient, anonymous and secure. "It's like snapchat, but for files!"

https://www.file.io/

Pixate - Make your ideas a reality Change the way you design with the most powerful prototyping platform on the planet.

http://www.pixate.com/

Infinit - Sending files, re-imagined. No file size limit. No waiting. No hassle. Always works!

https://infinit.io/

Balloon - A drop box for your Dropbox. Share your Balloon to receive files, collect photos from an event, and so much more straight to your Dropbox.

https://balloon.io/