30 open-source projects similar to stellarium/stellarium, 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.
godot-cpp is a C++ binding library and development kit for creating high-performance extensions and custom nodes for the Godot engine. It provides the necessary headers and framework to implement complex game logic and low-level systems using native code. The project enables the development of GDExtension plugins, allowing native libraries to be loaded into the engine without requiring a full recompilation of the core software. It facilitates the creation of custom engine extensions through a system of native bindings that map C++ classes and methods to the internal engine database. The fram
YesPlayMusic is a cross-platform Electron desktop application that serves as a third-party client for NetEase Cloud Music. It functions as a music player for streaming and managing music, music videos, and personalized recommendations from cloud accounts. The application includes music scrobbling capabilities to record listening history and synchronize played tracks to remote profiles. It also provides a dedicated interface for accessing and playing personal music collections stored on cloud drives. The software supports global audio control through customizable keyboard shortcuts and includ
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
bgfx is a cross-platform, graphics rendering abstraction layer designed for high-performance applications. It provides a unified interface that maps high-level rendering commands to native graphics APIs, allowing developers to maintain a single codebase that executes consistently across diverse operating systems and hardware architectures. The library distinguishes itself through a multi-threaded command submission model that decouples rendering logic from the main application thread, effectively minimizing CPU bottlenecks. It utilizes a backend-agnostic command buffer and a deferred resource
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
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
EveryRay Rendering Engine is a high-performance graphics framework designed for real-time three-dimensional rendering. It utilizes a physically based deferred rendering pipeline to simulate realistic light behavior, incorporating global illumination, cascaded shadow mapping, and advanced volumetric effects to produce high-fidelity visual output. The engine distinguishes itself through a unified graphics abstraction layer that enables consistent performance across diverse hardware backends by translating high-level commands into specific instructions. It further optimizes complex environments
Astropy is a core Python library for astronomy, providing a unified framework for astronomical data analysis, coordinate and time computations, and physical constants and unit handling. It is designed as a standard tool for the astronomy community, enabling consistent reading, processing, and visualization of FITS files and ASCII tables through a modular subpackage system that shares common interfaces and conventions. The library distinguishes itself through broad interoperability across astronomy software, establishing shared protocols for data exchange and collaboration. It includes a coord
Stretchly is a cross-platform desktop break reminder application that helps prevent eye strain and repetitive strain injury by periodically prompting you to take microbreaks and long breaks. Built with Electron, it runs on Windows, macOS, and Linux with a consistent interface, and can be controlled both through its graphical interface and via terminal commands. The application distinguishes itself through extensive customization and context-aware behavior. You can adjust break intervals, durations, sounds, and the content displayed during breaks to match your personal workflow. Stretchly auto
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
A Clash GUI based on tauri. Supports Windows, macOS and Linux.
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
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,
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
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
Kitematic is a graphical user interface for managing and running Docker containers on desktop operating systems. It serves as a visual Docker management tool and API client that translates user interface interactions into REST API calls to control the Docker daemon without requiring the command line. The application is built as a cross-platform Electron desktop application, utilizing a Chromium-based shell to provide a consistent administrative interface across Mac and Windows. The software covers the full container lifecycle, including the creation, configuration, and monitoring of containe
This project is a cross-platform desktop application that functions as a graphical shell replacement. Built using web technologies, it provides a unified workspace that integrates a terminal emulator with real-time system monitoring tools, allowing users to interact with their operating system through a touch-friendly, native-like interface. The application distinguishes itself through a highly customizable layout engine that uses external configuration files to arrange interface components. It features a distinct visual aesthetic and wraps standard terminal emulation within a graphical conta
This project is an OBS-based streaming software and live broadcast engine designed for capturing and transmitting real-time audio and video content to online platforms. It functions as a content distribution tool and a cross-platform desktop application that manages the encoding and transmission of multimedia streams from a computer. The software utilizes an OBS-based engine to handle desktop content capture, including screen activity, application windows, and webcam feeds. It provides the necessary infrastructure to manage complex broadcast layouts and scenes for live audiences. The system
Topsi is a desktop application designed for project management and task tracking. It provides a visual interface for organizing workflows and monitoring progress through customizable status columns and boards. The application operates on a local-first model, storing all project data in a local database file to ensure functionality without an internet connection. By utilizing a native desktop container, it provides a dedicated environment for managing tasks while maintaining data privacy and control. The software supports standard project management capabilities, including the ability to trac
Hermes-webui is a self-hosted AI orchestrator and web interface for managing autonomous agents. It serves as a multi-provider gateway that connects cloud and local large language models, providing a central hub to execute scheduled background jobs, run shell commands, and manage agent memory on private hardware. The system distinguishes itself through a persistent memory manager that utilizes knowledge graphs and markdown files for long-term context across sessions. It features a model context protocol host for extending agent capabilities with standardized tools and supports the orchestratio
ChatGPT-Next-Web is a web-based chat interface for interacting with large language models via API or self-hosted model runners. It functions as a prompt management tool and a cross-platform application available for web, mobile, and desktop environments. The project distinguishes itself through a plugin integration gateway that extends model capabilities with external tools like network search and calculators. It includes a self-hosted administrative dashboard for controlling model lists, member permissions, and access passwords on private infrastructure. The application covers prompt engine
FreeTube is a privacy-focused desktop application for watching YouTube videos without ads, tracking cookies, or the requirement of a Google account. It functions as a local-first subscription manager that tracks channels and playlists in local files instead of a centralized cloud account. The application avoids tracking-heavy official APIs by using a content extractor that parses web pages directly. To further protect user identity, it can route network traffic through proxies or Tor to mask the hardware IP address. The software provides tools for distraction-free viewing, including the abil
AzurLaneAutoScript is a mobile game automation system designed to perform repetitive gameplay tasks unattended. It functions as a screenshot-driven bot that controls Android devices, emulators, and cloud phones via ADB and uiautomator2, using computer vision to make interaction decisions instead of fixed timers. The project distinguishes itself through an advanced computer vision suite that includes local optical character recognition and perspective-aware grid detection. These tools allow the bot to parse 3D game maps, compute vanishing points, and normalize grid-centered objects for precise
Openwork is an LLM agent orchestration platform and cross-platform desktop application designed for building and running automated workflows. It serves as a local AI agent host and session manager, allowing users to connect local project folders to various large language models and remote cloud workers. The project distinguishes itself through a local-first execution model that enables agents to process files directly on a host machine. It implements human-in-the-loop permissioning to intercept agent resource requests, requiring explicit user approval before accessing specific local system fi
Numi is a natural language calculator and unit conversion tool available as both a cross-platform desktop application and a command line interface tool. It computes mathematical results from human-readable descriptions and plain text expressions rather than requiring complex formulas. The tool translates natural language inputs to perform currency exchanges, measurement conversions, and date and time arithmetic. It provides a consistent experience across macOS, Linux, and Windows.
Thief is a cross-platform desktop application designed to conceal leisure activities within work-like interfaces. It functions as a workplace privacy tool that disguises content such as novels, videos, games, and web pages as professional applications like code editors, spreadsheets, or taskbar panels, allowing users to appear productive while engaging in personal browsing. The application distinguishes itself through camera-aware proximity detection, which uses the device's camera to monitor surroundings and automatically hide the window when someone approaches. A configurable hotkey provide
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.
This project is a multimodal AI proxy and content generation hub that provides a unified web interface for interacting with multiple large language models and generative AI services. It functions as a secure API access gateway, routing requests from a single dashboard to various external AI backends using configurable base URLs and API keys. The platform is delivered as a cross-platform progressive web application, allowing for installation on Linux, Windows, and MacOS. It distinguishes itself by consolidating text, image, audio, and video generative controls into a standardized interface, su
Etcher is a cross-platform utility designed for creating bootable media by flashing raw disk images onto USB drives and SD cards. It functions as a desktop application that provides a graphical interface for low-level storage device management, ensuring data integrity through built-in validation during the writing process. The application utilizes a unified interface layer to map high-level commands to native system utilities, allowing it to operate consistently across different operating systems. It employs a stream-based data pipeline to pipe image contents directly to storage media, which
This project is a suite of software for radio interferometry imaging, specialized in the processing, analysis, and reconstruction of Very Long Baseline Interferometry (VLBI) observations. It provides tools for reconstructing images from interferometry data using regularized maximum likelihood methods and managing the end-to-end data processing pipeline from raw visibilities to final images. The software distinguishes itself with a dedicated interstellar scattering simulator that models thin-screen scattering effects and applies scattering kernels to radio images. It also features a radio imag