Awesome Screenshot Alternatives for Linux

FireShot is a comprehensive screen capture tool available as a browser extension for Chrome, Firefox, and Internet Explorer, and also as a standalone application. It enables users to capture entire web pages, specific areas, or visible content, providing robust editing and annotation capabilities.

Gyazo is a versatile screenshot and screen recording tool that simplifies capturing, sharing, and managing visual content. It offers instant uploads, easy annotation, and integrates seamlessly with various platforms.

Nimbus Screenshot and Screencast is a comprehensive browser extension and desktop application for capturing and annotating screenshots and recording screencasts. It offers a wide range of capture modes, a built-in editor, and various sharing and integration options, making it a versatile tool for professionals and casual users alike.