30 open-source projects similar to greenshot/greenshot, ranked by shared indexed features. Tags may describe platforms or build tools rather than the same primary purpose. Check each project’s use case, license, and deployment requirements before treating it as a replacement.
Flameshot is a cross-platform desktop screenshot tool and image annotation utility. It provides the ability to capture full displays or specific screen regions and save them as image files. The software features a built-in editor for adding arrows, shapes, text, and markers to screen captures for visual documentation. It also includes functionality for transferring captured and annotated images directly to external hosting services for remote storage and sharing. The utility includes a command line interface for automating screen captures, managing application settings via scripts, and trigg
ShareX is a desktop utility designed for screen capture, image annotation, and automated file sharing. It provides a comprehensive suite of tools for capturing screen regions, windows, or scrolling content, and includes a layered image editor that allows users to manipulate, scale, and transform graphical elements and annotations directly on captured media. The application distinguishes itself through an event-driven post-capture pipeline that triggers automated workflows, such as image processing, external command execution, or file uploads, immediately after a capture event. Users can exten
This project is a desktop screen capture and annotation utility designed for Linux environments. It provides an interactive graphical overlay that allows users to select specific screen regions, apply visual annotations such as shapes, text, and pixelation, and manage the resulting images through a configurable post-capture pipeline. The application distinguishes itself through deep system integration and automation capabilities. It operates as a persistent background daemon that monitors global hotkeys and supports inter-process communication via a system message bus, enabling users to trigg
This project is an AI-powered screenshot manager and visual assistant designed for capturing screen content and processing it through large language models. It functions as an OCR translation application and screen annotation tool, allowing users to extract text from images and perform intelligent analysis of visual data. The software differentiates itself through an AI-driven OCR pipeline and the ability to convert screenshots into structured Markdown or HTML via layout-aware document transformation. It features a visual AI assistant capable of analyzing screen content and a prompt-engineere
Captura is a desktop screen recording and screenshot utility designed to capture video, webcam feeds, and system audio into multimedia recordings. It functions as a recording suite that can also be operated as a command line video recorder, allowing users to trigger and manage capture workflows via terminal commands. The software distinguishes itself by recording user input, such as mouse movements and keystrokes, as visual overlays on top of the captured video. It further supports automated workflows through the integration of system-level hardware media keys, enabling recording state change
uPic is a native macOS application designed for uploading images and files to cloud hosting services and private backends. It functions as a cloud image hosting tool and a custom API upload client that generates formatted links for shared content. The project distinguishes itself by allowing users to configure private backend endpoints with specific HTTP methods, headers, and server URLs. It converts uploaded file addresses into Markdown or HTML snippets, which are then written back to the system clipboard via customizable URL templates. The application integrates with macOS system framework
QuickRecorder is a screen recording software designed for capturing desktops, application windows, and system audio. It functions as a multi-device video recorder and tutorial capture tool, synchronizing video feeds from a computer and connected mobile devices into a single stream. The system distinguishes itself through an alpha-channel video exporter that produces recordings with transparent backgrounds. It also includes a presenter overlay system that renders a floating camera feed over screen captures and a specialized tutorial toolset that provides mouse movement highlighting and a magni
Mjolnir is a macOS automation framework and extensible scripting engine. It provides a system for creating custom productivity workflows, managing application states, and controlling the macOS desktop interface programmatically. The project functions as a global hotkey manager that binds keyboard shortcuts to trigger automated scripts across the operating system. It includes a macOS application controller to inspect active windows and manage system-wide user interface interactions. The environment supports extensibility through a pluggable package management system, allowing for the installa
eSearch is a desktop tool that combines screen capture, image annotation, screen recording, optical character recognition (OCR), and text search and translation into a single application. It is built around a modular architecture that coordinates these tasks through an event-driven capture pipeline, allowing users to capture screen regions, annotate them with drawing and shape tools, and then extract text using a local-first OCR engine or optional cloud services. The project distinguishes itself by integrating a command-line interface for triggering capture and recognition tasks, enabling scr
WinMemoryCleaner is a Windows RAM optimizer and memory management utility. It reclaims physical memory by flushing standby lists, working sets, and file caches using native Windows system functions. The tool operates across several modes, including a portable application with a system tray monitor, a command-line interface for script integration, and a headless system service for continuous background operation. It supports instant optimization via customizable global keyboard shortcuts. Automation capabilities include scheduling regular cleanups based on fixed time intervals or triggering t
obs-websocket is a WebSocket remote control plugin and extension for OBS Studio. It functions as a JSON-RPC network API that allows external devices and applications to manage software settings, scenes, and streaming operations. The project provides a standardized network protocol that enables remote command execution and event-driven state synchronization. It secures these connections using salted-challenge authentication to verify client identity. The interface covers a broad range of production capabilities, including scene and source management, audio level control, and output management
Peek is a desktop screen recorder for Linux systems designed to capture specific rectangular areas of the display. It functions as an animated image and video creator, allowing users to record short, silent screencasts of desktop activity. The application provides a focused workflow for generating visual content, such as instructional documentation, bug reports, and project updates. It enables users to export recordings in various formats and includes options to optimize the quality and file size of animated images for web integration. The software utilizes native display protocols to manage
Kap is an open-source screen recording application designed to capture desktop activity as video or image files. It provides a comprehensive workflow for recording screen sessions, including options for capturing system audio and highlighting mouse clicks to assist in the creation of instructional content. The application distinguishes itself through a modular, plugin-based architecture that allows for the integration of external services for sharing and uploading media. It utilizes a background transcoding utility to process and convert captured recordings into various formats, such as GIF,
Cap is a self-hosted screen recording and video collaboration platform designed for teams to replace synchronous meetings with asynchronous video updates. It provides a comprehensive suite for capturing high-resolution desktop activity, including system audio, microphone input, and camera overlays, which are then processed through an integrated post-production workflow. The platform distinguishes itself by offering full data sovereignty through containerized deployment and object storage abstractions, allowing users to host their media assets on private infrastructure or S3-compatible buckets
Robotgo is a cross-platform desktop automation framework for the Go programming language. It provides a comprehensive toolkit for programmatically interacting with graphical user interfaces, enabling developers to simulate human input, manage application windows, and monitor system-wide hardware events. The library distinguishes itself through its low-level system integration, utilizing a foreign function interface to interact directly with native operating system APIs. It employs pixel-buffer memory mapping and real-time screen capture to perform visual element identification, allowing for i
Licecap is an animated GIF capture utility designed to record desktop screen activity and export the results as portable GIF image files. It functions as a screen recorder that allows users to capture a selected area of the screen and save the recording as a short animation. The tool includes a selection overlay for defining the recording area via mouse interactions and utilizes palette-based encoding to compress captured frames into a single looped GIF file. It integrates with Windows and macOS APIs to manage screen capture permissions and window positioning. The application covers a range
Robotjs is a native Node.js automation library and desktop input simulator. It uses C++ bindings to provide low-level access to operating system functions, allowing for the programmatic control of the mouse and keyboard and the analysis of screen pixels. The library functions as a toolkit for automating user interfaces and desktop workflows, including those within Electron applications. It enables the simulation of key presses and mouse movements to automate interactions with desktop software and perform automated data entry. Its capabilities extend to screen pixel analysis, where it capture
Kooha is a screen recorder for Linux desktops that utilizes the Wayland protocol and XDG Portals for secure recording. It functions as a hardware-accelerated screen capture tool that offloads video compression to the GPU to reduce CPU load and power consumption. The application integrates the PipeWire framework to capture system and microphone audio streams and leverages FFmpeg for muxing video streams and exporting various codecs and containers. Its user interface is a native Linux application built with the GTK toolkit. The software covers screen recording and capture of entire displays, s
Hyperion is an ambient lighting controller and screen color capture engine designed to synchronize networked LED hardware with real-time video and audio content. It functions as a programmable lighting effects engine and networked server, capturing frames from system displays or USB devices to extract dominant colors for immersive lighting environments. The system distinguishes itself through a protocol-agnostic hardware abstraction layer and a coordinate-based LED mapping system that uses keystone correction for precise physical alignment. It features a modular scripting engine for custom vi
Agent-S is a multimodal AI agent and LLM desktop automation framework designed to control operating systems through graphical user interface interactions. It functions as a computer use interface, utilizing vision-language grounding to translate natural language goals into precise screen coordinates and system actions. The project differentiates itself by combining structured accessibility tree inspection with vision-based element localization. It manages cross-application workflows by mapping conceptual descriptions to physical pixels and simulating low-level keyboard and mouse events to mov
ShaderGlass is a GPU-accelerated shader pipeline designed to render real-time visual effects as an overlay on the desktop or specific application windows. It processes visual input through programmable fragment shaders to modify screen output or live video feeds. The project supports the import of custom shader definitions and the hot-loading of external files to test and tune visual effects without restarting. It includes a library management system for browsing presets and adjusting specific parameters to refine the final output. The application routes input from various sources, including
ScreenToGif is a screen recording and GIF editor designed to capture screen activity and refine frames to produce GIF animations and video files. It functions as a screen-to-video capture tool for creating visual demonstrations, documentation, and tutorials. The application includes a non-linear frame editor that allows for the modification of recorded footage before export. It can capture a selected screen area, webcam feed, or sketchboard, and exports the resulting animations as images, videos, or GIFs. The tool supports user interface translation to provide a localized experience in multi
GeekDesk is a Windows desktop quick-launch panel that opens with a global hotkey or middle-click, providing instant access to files and applications. Built as a native Win32 application, it renders its interface directly using Windows window and graphics APIs without relying on any web or cross-platform framework. The launcher integrates with the Everything search engine to perform full-disk file searches and display results directly within the panel. It also includes a timed reminder scheduler for setting up one-time or recurring notifications, and supports extensive visual customization thr
Rubick is a cross-platform desktop launcher built on Electron that provides a keyboard-activated search interface for quickly finding and launching local applications, files, and folders. It functions as a plugin-based desktop utility, treating each plugin as an npm package that can be installed, removed, and managed through standard npm tooling, with a built-in marketplace for discovery and lifecycle management. The project distinguishes itself through its support for self-hosted and intranet-only deployment, enabling enterprise environments to run the toolbox entirely within an internal net
GoldenDict is an offline and online dictionary reader that retrieves word definitions from local files and web sources, displaying entries with full formatting, images, and hyperlinks through an embedded WebKit rendering engine. It reads dictionary files in Babylon, StarDict, Dictd, and ABBYY Lingvo formats without requiring conversion, and supports querying arbitrary websites via user-defined URL templates. The application integrates with the system through global hotkeys and clipboard monitoring, allowing users to trigger lookups or translate selected text in any other application without m
Phoenix is a macOS workspace automator and window manager that uses a JavaScript scripting engine to control system-level behaviors. It functions as an AppleScript automation bridge, allowing users to programmatically manipulate application states, window geometry, and desktop interactions. The project enables the creation of custom workflows by binding keyboard shortcuts to JavaScript functions. This allows for the automation of complex system actions, such as organizing application layouts across multiple screens and managing virtual spaces. Its capability surface covers window and applica
PhotoEditor is an image editing library and canvas-based photo editor designed for in-app image manipulation. It serves as a toolkit for applying filters, text, stickers, and freehand drawing to images, functioning as both a bitmap image processor and a digital photo annotation tool. The project enables the creation of social media style stories by allowing users to add emojis, text, and stickers to photos. It supports non-destructive image manipulation, allowing users to remove elements or revert changes before exporting the final composition. The library covers a broad range of capabilitie
This project is a cross-platform input interception library and global keyboard event simulator for Windows and Linux. It provides a programmatic interface to monitor global keyboard events, simulate hardware input, and block system events to create custom hotkeys and shortcuts. The tool functions as a keyboard macro automation utility and a text expansion engine. It can record keystroke sequences and replay them with precise timing, or detect specific typed character sequences and replace them with predefined strings using simulated backspaces. The library covers a broad range of input cont
Everywhere is a desktop AI assistant that understands whatever is on your screen and can act across applications without requiring screenshots or manual context switching. It reads structured UI data through accessibility and automation APIs to perceive the active application and visible content, then provides context-aware help, summaries, translations, and answers to natural language questions about what you are viewing. The tool distinguishes itself by combining on-screen content analysis with a multi-LLM agent platform that routes requests to providers like OpenAI, Anthropic, and local mo
This project is a collection of toolsets for executing visual effects, simulating operating system-level input, and manipulating graphical user interface window states. It functions as a Windows API automation tool and GUI manipulator designed to programmatically alter the behavior and appearance of active application windows. The toolkit features a desktop visual effects engine capable of applying rotational animations, hue shifts, and view transformations to the display. It includes an input simulator that can spawn multiple independent mouse cursors and automate user interactions across th