Open-source screen capture and file sharing tool with recording, editing, and annotation features. Supports 4K, dark mode, theming, offline use, and offers a lightweight, ad-free experience without tracking user data.




The best open source alternative to FlyScreen is ShareX. If that doesn't suit you, our users have ranked more than 100 alternatives to FlyScreen and many of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to FlyScreen are Flameshot, Greenshot, Ksnip and Spectacle.
Open-source screen capture and file sharing tool with recording, editing, and annotation features. Supports 4K, dark mode, theming, offline use, and offers a lightweight, ad-free experience without tracking user data.




Flameshot is a free, open-source screenshot tool that is cross-platform compatible, offering customization, editing features, CLI scripting, and direct Imgur uploads for seamless sharing. It provides an intuitive user experience through features like area selection, annotations, and saving options.




Lightweight screenshot tool offering OCR, exports to Office apps and online storage, integration with external commands, supporting 32 languages and minimal space requirement.




Ksnip is a Qt based cross-platform screenshot tool that provides many annotation features for your screenshots.




Spectacle is a simple application for capturing desktop screenshots. It can capture images of the entire desktop, a single monitor, the currently active window, the window currently under the mouse, or a rectangular region of the screen.

Feature-packed native macOS screenshot tool — annotate, auto-redact PII, record GIFs, OCR + translate, scroll capture, beautify, and more. No Electron, no subscription.


You know all of those code screenshots you see on Twitter? Although the code's usually impressive, we saw room for improvement in the aesthetic department. Carbon is the easiest way to create beautiful images of your source code. So what are you waiting for?

Capture2Text enables users to quickly OCR a portion of the screen using a keyboard shortcut.





Text Grab is a minimal optical character recognition (OCR) utility for Windows 10/11 which makes all visible text available to be copied.




Intuitive screenshots baked right into the browser. Capture, save and share screenshots as you browse the Web using Firefox.