Monosnap - Monosnap is a comprehensive screenshot taking software system that provides users with a fast and accessible way to take screenshots whenever they want. Read more about Monosnap.

Jaadoo (iOS & Android) - Search and manage your mobile screenshots, magically

Annotate - Annotate (formerly know as Glui) is the simplest way to capture, annotate and share screenshots.

Firefox Send - A file sharing which allows you to send encrypted files to other users.

Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

Infinit - Fast, elegant and unlimited file transfer application (Mac)