Open-source alternatives to Stretchly

Pomotroid is a cross-platform desktop Pomodoro timer application designed for managing work and break intervals. It functions as a focus manager and productivity statistics tracker that utilizes a high-precision timer engine to organize focus sessions. The application distinguishes itself by operating as a WebSocket timer broadcaster, featuring a local server that streams timer state and lifecycle events to external automation scripts and stream overlays. It also includes a productivity trend analysis system that logs completed rounds to a local database to generate daily summaries, weekly st

Boostnote is a local-first note management system and markdown text editor designed for personal knowledge management. It functions as a desktop application that reads and writes markdown files directly to the local disk, allowing for the creation of a searchable personal knowledge base and digital garden. The application provides a writing interface that renders markdown syntax in real time. It is used to organize fragmented information, maintain project documentation, and author structured technical guides.

MoeKoeMusic is a cross-platform desktop music player that functions as a client for NetEase Cloud Music. It provides music streaming with synchronized lyrics display, theme customization, and a plugin system for extending functionality. The application is built on Electron to run on Windows, macOS, and Linux. It features real-time WebSocket streaming of playback state and synchronized lyrics, a plugin system that loads external modules, and dynamic theme customization through CSS variables. Authentication with NetEase Cloud Music accounts supports login via QR code, phone, or password, along

go-astilectron is a cross-platform GUI framework and binding that enables the creation of desktop software by combining a compiled Go backend with an Electron frontend. It functions as an inter-process communication bridge, utilizing an asynchronous messaging system to exchange JSON events and synchronize state between the Go process and the JavaScript user interface. The project provides a native desktop API wrapper to orchestrate system-level features from the backend. This includes the ability to manage browser windows, construct native application menus, and control system tray icons and

This project is a surveillance tool and malware payload designed for user activity monitoring. It functions as a keylogger and activity monitor that captures keyboard input, mouse movements, and microphone audio. The software utilizes the SMTP protocol for data exfiltration and command-and-control, transmitting captured logs and media files to a remote email address. It includes anti-forensic capabilities, specifically a self-deletion mechanism that triggers when the software detects that its code is being inspected. Broad capabilities include periodic screenshot capture and the recording of

Hydra is a cross-platform desktop application designed to serve as a centralized game library manager. It consolidates video games from multiple sources and platforms into a single, searchable interface, allowing users to organize their collections and manage installations through a unified dashboard. The application distinguishes itself through extensive support for interface personalization and data portability. Users can modify the visual appearance and notification sounds of the launcher by creating or installing community-shared themes. Furthermore, the tool includes integrated cloud syn

Tautulli is a monitoring tool and administration interface for Plex Media Servers. It tracks real-time streaming activity, maintains detailed playback histories, and provides a centralized dashboard for server analytics. The project distinguishes itself through an event-driven notification system that triggers custom scripts and alerts based on server activity. It includes a template-based engine for generating periodic newsletters and utilizes webhooks to dispatch alerts to third-party services. The software covers broad capability areas including media library auditing, usage trend analysi

CefSharp is a .NET binding for the Chromium Embedded Framework that allows developers to embed a full web browser into desktop applications. It provides an embedded browser control for rendering HTML, CSS, and JavaScript content within a native host window. The project features a bidirectional JavaScript bridge interface that enables the execution of scripts and the exposure of native host classes and methods to the browser environment. It also includes a headless browser automation tool for executing web tasks and capturing page screenshots without a graphical user interface. The library co

Electron is a framework for building native desktop applications using JavaScript, HTML, and CSS. It functions as a cross-platform desktop runtime that combines the Chromium engine with Node.js to enable web technologies to run as standalone applications on Windows, macOS, and Linux. The project serves as a desktop integration layer that allows web-based user interfaces to access low-level operating system APIs. By bridging the Chromium rendering engine with a Node.js environment, it enables a single codebase to be deployed as a native executable across different desktop operating systems. T

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

Caprine is a privacy-focused desktop client for Facebook Messenger. It functions as an Electron-based wrapper that encapsulates the web application to provide system-level features and advanced user interface customizations. The client prioritizes user privacy by masking activity status, hiding typing indicators, and blocking tracking parameters from outgoing links. It further enhances the user experience through a customizable interface that supports dark mode, custom stylesheets, and window vibrancy effects. The application includes tools for keyboard-driven navigation to switch between co

Stellarium is an open-source 3D planetarium simulator and cross-platform sky map used for astronomical observation and study. It provides a real-time simulation of the night sky that renders astronomical objects and atmospheric conditions using OpenGL. The software functions as a visualization tool to show how stars and planets appear through optical instruments. It allows users to identify celestial objects from any location on Earth, simulate stargazing site visibility, and plan targets for observation with binoculars or telescopes. The system incorporates an atmospheric scattering model,

weweChat is an unofficial desktop client for WeChat, developed as a cross-platform messaging wrapper. It uses a React-based user interface within an Electron shell to provide a dedicated environment for managing conversations on desktop operating systems. The application introduces custom capabilities not found in the official client, such as the ability to intercept and archive messages that have been recalled by the sender. It also includes bulk messaging automation to send the same message to multiple recipients simultaneously. The client is designed for power-user workflows, featuring ke

Noctalia Shell is a modular Wayland desktop shell that provides a user interface consisting of status bars, launchers, and notifications for Wayland compositors. It is built as a plugin-based desktop environment that utilizes declarative configuration for managing system defaults, wallpapers, and plugin installations. The project features a dynamic desktop theming engine that extracts color palettes from wallpapers to theme the shell and external applications. This is supported by an inter-process communication bridge that exposes endpoints, allowing external scripts and keybindings to trigge

Gitify is a cross-platform desktop application for monitoring GitHub alerts and activity through a native system tray or menu bar interface. It functions as a specialized API client that connects to both GitHub cloud and GitHub Enterprise servers on macOS, Windows, and Linux. The application manages multiple GitHub accounts and servers simultaneously from a single interface. It focuses on reducing notification noise by allowing users to filter alerts and prioritize important updates, moving monitoring away from the web browser. Users can customize alert behaviors through visual themes, nativ

Atom is an extensible code IDE and hackable text editor designed for source code editing and the creation of custom development environments. It functions as a syntax highlighting editor and a version control integrated editor that tracks file changes and synchronizes code with remote repositories. The editor allows for the modification of its own core functionality and supports a package-based plugin system for creating custom themes and snippets. It also serves as a Markdown preview editor, providing side-by-side visual rendering for content authoring. The platform includes capabilities fo

This project is a cross-platform desktop email client built with web technologies. It serves as an extensible mail application that allows users to manage and organize email correspondence and can link to self-hosted synchronization engines to manage user data. The application is designed for extensibility through a plugin architecture and logic extension hooks, enabling the addition of custom features such as text translation, email templating, and external service integrations. It further distinguishes itself by providing a customizable interface that supports user-defined CSS styling and t

Tai is a desktop activity tracker and self-hosted productivity monitor designed to record the amount of time spent on specific software applications and websites. It functions as a software usage monitor and website browsing logger to analyze digital time distribution. The system provides capabilities for digital productivity analysis, personal time tracking, and screen time management. It can also be used for employee activity monitoring to audit software engagement and workflows. The project handles monitoring and observability through time-series usage logging and local persistence storag

frpc-desktop is a cross-platform desktop application that provides a graphical interface for managing FRP intranet penetration tunnels. It combines FRP binary downloading, visual configuration editing, tunnel lifecycle management, and shareable link generation into a single tool, allowing users to tunnel local network services to the public internet through a relay server without manually editing configuration files or managing binaries. The application wraps a web frontend inside an Electron shell for native window management across operating systems, and handles the full lifecycle of the FR

JupyterLab Desktop is a standalone desktop application for interactive computing and coding. It serves as a native wrapper that bundles the JupyterLab web interface and a Python kernel into a single installation. The application provides a dedicated workspace for creating documents that contain live code, equations, visualizations, and narrative text. It utilizes an Electron shell to provide a consistent, isolated user interface for a desktop data science workflow. The system manages the local installation of JupyterLab and handles the orchestration of backend computing kernels. It includes

This project is a minimal project structure and boilerplate for starting new desktop applications using the Electron framework. It serves as a starter template and reference implementation that provides the essential file layout required for a cross-platform desktop application. The repository is designed to bootstrap a minimal application, allowing for quick desktop application prototyping and the establishment of a basic development environment. This stripped-down structure is also used for software bug isolation to reproduce specific behaviors without the complexity of a full project. The

Caesium is an image compression tool that reduces file sizes for JPG, PNG, WebP, and TIFF images while preserving visual quality and metadata. It operates as a cross-platform desktop application with a graphical interface, a command-line tool for scripting and automation, and a web-based interface for browser uploads, all supporting batch processing of multiple images at once. The tool distinguishes itself by offering multiple interaction modes — desktop, terminal, and web — each capable of handling the same core compression tasks. It preserves folder structure when saving compressed images,

Electronic WeChat is an Electron-based desktop chat client and wrapper for the WeChat messaging service, designed for macOS and Linux. It provides a functional messaging interface that integrates with native operating system notifications and system trays. The client includes a message recall blocker that prevents senders from retracting or deleting messages after they have been delivered, ensuring the recipient retains a permanent record of the conversation. It also features a URL redirect bypass to open destination websites directly in the default web browser. The application supports stan

This project is a cross-platform desktop application that serves as a graphical wrapper for the youtube-dl command line tool. It functions as a web media extractor and batch video downloader, allowing users to save video files, audio tracks, subtitles, and metadata from supported online platforms. The application provides a visual interface to manage download quality, output formats, and file naming. It supports the retrieval of restricted or private content through browser cookie files, basic authentication, or video passwords. The software includes capabilities for bulk playlist archiving

This project is a collection of reference implementations and sample applications for desktop software development using Electron. It provides cross-platform boilerplates and practical code examples that demonstrate how to integrate web technologies with native operating system APIs. The repository serves as a feature showcase for implementing native system integrations, such as local file system access, process management, and custom window framing. It includes demonstrations for specialized capabilities like network request interception via service workers, screen and window capture, and th

Universal Android Debloater Next Generation is a cross-platform desktop application for removing pre-installed system applications from Android devices. It communicates with devices through the Android Debug Bridge (ADB) protocol, supporting both wired USB connections and wireless network pairing for debloating without a physical cable. The tool manages multiple connected Android devices simultaneously and provides package state backup and restore capabilities, allowing users to save and reapply the enabled or disabled state of system packages after factory resets or OS upgrades. The applicat

NanUI is a framework for building Windows desktop applications that utilize HTML, CSS, and JavaScript for user interface development. It functions as a Chromium-based engine that embeds web-standard rendering directly into native desktop windows, allowing developers to combine web-based design workflows with the capabilities of the .NET runtime. The framework provides a bridge between the managed .NET environment and the unmanaged browser process, enabling bidirectional communication and data sharing. It integrates web content by embedding the browser viewport into native window handles and i