Doka.Photo - Edit images without leaving your browser
Shottr - Shottr is a free macOS screenshot app with scrolling screenshots, OCR, annotation and measurement instruments.
ProductShot - Generate better performing product screenshots
Full Page Screen Capture - I built a Chrome Extension that allows you to save a screenshot of an entire webpage as an image
Sumo Paint - Photoshop in your browser, Sumo Paint an advanced browser-based image editor.
Microlink screenshot - Take a screenshot of any website