Lightshot is a great tool for taking screenshots. It is quick and easy to use. You can take a screenshot of your entire screen or just a part of it. Lightshot also lets you edit your screenshot and share it online.

Skitch

Skitch is an app that allows you to quickly and easily take screenshots and annotate them with text, arrows, and other shapes. It's a great alternative to Lightshot if you're looking for more features and customization options.

Snagit

Snagit is another screenshot tool with a robust set of features. It's great for capturing scrolling windows, webpages, and even video. You can also edit and annotate your screenshots with a variety of tools.

Jing

Jing is a simple, yet powerful, screenshot tool. It has a streamlined interface that makes taking screenshots and annotating them quick and easy.

Evernote

Evernote is a versatile app that does a lot more than just take screenshots. It's a great tool for organizing your thoughts, ideas, and notes. You can also use it to clipping webpages, images, and other types of content.

Google Keep

Google Keep is a simple, yet effective, note-taking app. It has a clean interface and a variety of features that make it a great alternative to Lightshot. You can use it to take screenshots, annotate them, and save them for later.