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

Shottr - Shottr is a free macOS screenshot app with scrolling screenshots, OCR, annotation and measurement instruments.

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

Microlink screenshot - Take a screenshot of any website

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

Full Page Screen Capture - I built a Chrome Extension that allows you to save a screenshot of an entire webpage as an image