Open-source alternatives to Obs Studio

Kepler.gl is a web-based geospatial visualization framework designed for rendering large-scale location datasets. It functions as a modular React mapping component that enables developers to embed interactive, high-performance geographic visualizations into web applications, serving as a comprehensive engine for building browser-based GIS dashboards. The library distinguishes itself through a highly extensible architecture that centers on centralized state management. By utilizing a predictable state-driven model, it allows for the programmatic control of map layers, filters, and viewport set

dbt-core is a command-line framework for transforming data within a warehouse using modular SQL and version control. It functions as a data transformation engine that enables users to define data structures and business logic through declarative configuration files, which the system then compiles into executable code. By managing complex data dependencies through a directed acyclic graph, it ensures that transformation tasks execute in the correct order while maintaining a manifest-driven state to track lineage and execution history. The project distinguishes itself through an adapter-based d

Restreamer is a self-hosted video broadcast platform and RTMP streaming server. It functions as a live media processing gateway and a multi-destination stream relay, providing a web-based management interface to configure video codecs, hardware acceleration, and stream routing. The system enables multi-platform video streaming by duplicating a single live video source and forwarding it to various third-party broadcast services and external servers simultaneously. It also supports direct-to-website broadcasting, allowing users to host live content for private or public audiences via customizab

VidGear is a high-performance Python video processing framework designed for capturing, transcoding, and manipulating video streams. It functions as a multi-protocol video streamer and a WebRTC streaming server, enabling the transfer of video frames over networks using RTSP, RTMP, RTP, and MJPEG protocols. The project distinguishes itself through hardware-accelerated video transcoding and decoding using GPU backends like CUDA to reduce CPU load. It includes a cross-platform screen capture tool and a specialized system for establishing direct peer-to-peer media connections using WebRTC signali

Shotcut is a professional-grade, cross-platform non-linear video editor built on the MLT multimedia framework. It provides a comprehensive suite for post-production, supporting multi-track timeline editing, high-fidelity color processing, and complex visual effects. The application is designed to handle diverse audio and video formats natively, ensuring high-resolution and HDR workflows are managed within a unified environment. The software distinguishes itself through a modular architecture that emphasizes performance and precision. It utilizes a GPU-accelerated rendering pipeline and proxy-

Neon is a framework for writing high-performance native Node.js modules using the Rust programming language. It serves as a foreign function interface bridge and a toolchain for bootstrapping, compiling, and managing Rust-based extensions. The project provides a cross-language memory manager that handles buffers and object borrowing to ensure safe memory access between Rust and JavaScript. It enables the mapping of data types and function calls across the language boundary, allowing Rust functions to be exported to the script environment and JavaScript functions to be called from Rust. The f

This project is a cross-platform implementation of the WebRTC standard, providing a comprehensive library for building real-time audio, video, and data communication applications. It functions as a peer-to-peer networking framework and media processing engine, enabling direct, low-latency connections between devices without relying on central servers. By strictly adhering to official protocol specifications, the library ensures interoperability with browsers and other native communication software across mobile, desktop, and server environments. The engine distinguishes itself through a modul

Sunshine is a self-hosted remote desktop and game streaming server designed to broadcast desktop environments and applications over a network. It functions as a host application that captures system display output and encodes it into low-latency video streams for transmission to remote client devices. The system distinguishes itself through hardware-accelerated media encoding, which utilizes graphics processor pipelines to compress high-resolution video in real time. To ensure interactive control, it performs virtual input emulation by translating remote controller and keyboard signals into n

The NGINX RTMP module is a server-side extension that functions as a live video streaming engine. It enables the ingestion, processing, and distribution of real-time audio and video feeds, supporting both RTMP and HLS protocols to facilitate media delivery to multiple clients. The module distinguishes itself by integrating directly into the host server event loop, allowing for high-concurrency network input and output without blocking the main thread. It provides a toolkit for managing media streams through event-driven callbacks, which can trigger external process invocations for custom tran

This project provides a framework for binding Rust and Python, enabling the creation of native extension modules and the embedding of the Python interpreter within host applications. It functions as a cross-language interoperability library that facilitates the execution of scripts, the definition of classes, and the sharing of data structures across the boundary of the two runtimes. The framework distinguishes itself through the use of procedural macros to automate the generation of boilerplate code, simplifying the process of exposing native functions and data types. It employs type-level m

Neutralinojs is a lightweight cross-platform desktop application framework that allows developers to build native applications using web technologies and a C++ backend. It serves as a native system API bridge, enabling JavaScript frontend code to execute system commands and manage files across Windows, macOS, and Linux. The project distinguishes itself as a portable runtime that renders interfaces via the system's built-in webview instead of bundling a full browser engine. This approach enables the packaging of web assets into small, standalone executable binaries. The framework provides com

This project provides a collection of type-safe wrappers designed to bridge web-based applications with native mobile hardware and system services. It functions as a cross-platform framework that normalizes disparate native plugin behaviors into a unified interface, allowing developers to access device sensors and system capabilities consistently across multiple mobile operating systems. The framework distinguishes itself by wrapping asynchronous native callbacks into reactive streams, simplifying the management of continuous hardware events and data updates. It includes robust mocking capabi

Nim is a statically typed, compiled systems programming language designed for high performance and cross-platform development. It translates high-level source code into C, C++, or JavaScript, allowing developers to produce efficient native binaries or web-compatible scripts from a single codebase. The language emphasizes a clean, indentation-based syntax that simplifies code hierarchy while maintaining the power of a full-featured systems language. What distinguishes Nim is its robust metaprogramming framework, which allows developers to inspect, modify, and generate code structures during th

Robotics visualization and debugging

Plotly.py is a comprehensive framework for building production-ready data applications and interactive dashboards directly from Python code. It functions as both a high-performance visualization library for browser-based charts and a full-stack tool for transforming analytical scripts into responsive, web-based interfaces. By abstracting away the need for manual HTML or JavaScript, it allows developers to define complex layouts and functional logic using modular, reusable components. The framework distinguishes itself through a robust architecture that handles event orchestration and state sy

web-based visualization libraries

3-D Scientific Visualization in the Jupyter Notebook

3D Visualization Library for use with the ROS JavaScript Libraries

Bokeh is a Python data visualization library and interactive plotting framework used to create high-performance graphics and data dashboards that render in web browsers. It serves as a tool for generating standalone HTML documents, embedded components for digital notebooks, and full-stack web applications powered by a Python backend. The project distinguishes itself through its ability to handle large or streaming datasets while maintaining smooth interactivity. It enables linked brushing across multiple views, allowing data selected in one plot to automatically highlight corresponding data i

MAVLink to ROS gateway with proxy for Ground Control Station

URDF Loaders for Unity and THREE.js with example ATHLETE URDF Files open sourced from NASA JPL

PlotJuggler is an interactive time series visualization tool that loads, streams, and renders large datasets using hardware-accelerated OpenGL graphics. It functions as a multi-format data loader, supporting file formats such as CSV, ULog, and ROS bags, and also serves as a live data stream viewer that subscribes to real-time sources via MQTT, WebSockets, ZeroMQ, and UDP. The tool distinguishes itself through a plugin-based extensibility platform that allows users to add custom data sources, file formats, and processing capabilities. It includes a Lua scripting engine for creating custom data

Open MCT is a web-based framework designed for visualizing telemetry data and monitoring the health of complex systems. It provides a centralized environment for ingesting, processing, and displaying real-time and historical data streams through customizable operator dashboards. The platform is built on a modular architecture that allows for the integration of external data sources and the addition of custom features through a plugin system. By utilizing a hierarchical object-graph model and a unified interface for time-series data, the framework ensures that information is consistently repre

Interactive viewer for graphs written in Graphviz's dot language.

RVizWeb: RViz on the browser

PyQtGraph is a scientific plotting and graphics framework built for PyQt and PySide applications, providing fast, interactive 2D and 3D visualizations with GPU-accelerated rendering. It serves as both a real-time signal monitoring system for streaming time-series data and a toolkit for constructing interactive data dashboards with dockable panels, parameter trees, and custom widgets. The library also includes a node-based visual flowchart tool for building data processing pipelines and a scientific graphics export system that saves plots as PNG, SVG, or CSV and converts items to Matplotlib for

Visualization and controlling application for Android