Open-source alternatives to Jsmpeg

omni-tools is a browser-based utility suite that provides client-side tools for manipulating PDFs, media files, and data formats. It functions as a collection of web-based processors and calculation engines that execute directly within the browser without requiring server-side processing. The suite includes a client-side PDF editor for merging, splitting, and reorganizing document structures, and a web-based media processor for resizing, trimming, and converting image and video files. It also features a data format converter that transforms structured information between JSON, CSV, and XML fo

This project is a Chromium-based mobile browser and rendering engine designed for mobile platforms. It functions as a web extension host, allowing the execution of browser extensions within a mobile environment to provide custom functionality. The project distinguishes itself through custom user interface modifications, such as the implementation of a specialized night mode and the relocation of the address bar for improved ergonomics. It also includes a remote debugging interface and protocol that allow an external developer console to connect to a live browser instance for inspecting and tr

This project is a reverse engineering implementation and library designed to parse and decrypt the binary data streams used by the WhatsApp web client. It provides a WebSocket client library and tools to communicate with messaging servers by implementing reverse engineered protocol patterns. The system enables the development of custom clients and automation tools through the emulation of browser sessions and the management of persistent binary streams. It handles account authentication via QR code generation and pairing strings to link devices and maintain encrypted sessions. The project co

Mirotalk is a self-hosted video conferencing platform and peer-to-peer communication server. It utilizes WebRTC for high-resolution video calls, screen sharing, and real-time audio streaming, operating as a decentralized system that routes media streams directly between participants to ensure privacy and low latency. The platform integrates conversational language models and speech recognition to provide real-time transcription and automated meeting tasks. It also functions as a white-label collaboration suite, allowing users to apply corporate visual identities across the interface and sourc

LAVFilters is an open-source media filter pack consisting of splitters and decoders designed for the DirectShow framework. It functions as a set of software components that convert compressed media data into raw formats for hardware or software rendering. The collection includes a media splitter to separate combined audio and video container formats into individual streams, as well as a specialized Blu-ray disc player filter used to identify and extract movie titles and playlists from disc structures. The project provides capabilities for audio and video stream decoding, media stream demuxin

Project-Lightspeed is a low-latency video relay and WebRTC live streaming server. It functions as an OBS streaming backend that ingests media streams and converts them for real-time playback in web browsers. The system operates as a WebSocket stream orchestrator, managing connection handshakes and stream authentication to coordinate signaling between the server and the client browser. It utilizes a high-speed protocol to achieve sub-second delay between the broadcast source and the viewer. The server covers media relay capabilities, including network packet relaying and the ingestion of vide

exif-js is a JavaScript library for extracting image metadata directly in the browser. It functions as a binary image buffer parser that reads raw image bytes to retrieve technical details without requiring files to be uploaded to a server. The library parses data following the EXIF and IPTC standards to extract camera settings, timestamps, GPS coordinates, captions, keywords, and copyright information. It utilizes typed arrays and offset-based traversal to navigate image structures and map numeric identifiers to human-readable tags.

jsQR is a JavaScript library for locating and decoding QR codes directly within a browser or Node.js environment. It functions as a client-side scanner and decoder that extracts text and data from images using pixel arrays, removing the need for server-side processing. The library provides tools for QR code localization to identify the exact coordinates of corners and alignment patterns within a larger image. It uses image pattern recognition to isolate the QR code and extract its encoded content. Its internal operations cover binarization-based thresholding, geometric pattern localization,

This project provides KVM over IP hardware and software for remote computer management. It functions as an ATX power management controller, a remote serial console server, and a virtual media emulator. A WebRTC remote access gateway is used to bypass NAT and firewalls for low-latency hardware control via a web browser. The system is distinguished by its ability to simulate physical peripherals at the hardware level, including HID device emulation for keyboard and mouse input and USB mass storage emulation for streaming ISO images. It features a UART-to-web bridge for remote serial console acc

This project is an RTMP media streaming SDK and a real-time communication framework designed for pushing and playing audio and video streams. It provides tools for interactive broadcasting, low-latency voice and video calls, and a cross-platform media player compatible with Windows, iOS, and Android. The toolkit enables interactive live broadcasting with support for multi-host interactions and the ability to push streams to distribution servers via CDN. It includes a cloud recording manager for capturing live sessions and saving them as files to cloud storage, along with a system for composit

flv.js is a JavaScript library and HTML5 Media Source Extension wrapper designed to play FLV video and live streams in web browsers. It enables the rendering of FLV content within a standard web video element without the need for external plugins. The project focuses on real-time transmuxing, converting FLV container data into fragmented MP4 segments to ensure browser compatibility. It includes specific implementations for low-latency live streaming and cross-origin video loading via CORS-compliant server headers. The library provides capabilities for segmented media playback, media position

SmarterStreaming is a cross-platform SDK for hardware-accelerated audio and video capture, encoding, and streaming. It provides a complete media pipeline for low-latency RTMP and RTSP streaming, and includes an embedded lightweight RTSP server that can serve live feeds directly from the source device to local network clients without requiring a separate server. The SDK also integrates with GB28181 surveillance platforms, enabling compliant device registration and streaming for standardized video monitoring systems. The project distinguishes itself through a set of integrated capabilities for

ALVR is a wireless virtual reality streaming tool and headset driver that transmits content from a PC to a headset over Wi-Fi to eliminate physical cables. It functions as a session orchestrator that manages a network-based pipeline for high-resolution frames and a virtual driver layer that enables a computer to communicate with and track wireless hardware. The system utilizes a UDP network protocol to synchronize compressed video frames and positional tracking data. It employs hardware-accelerated H.264 encoding to minimize lag and includes a virtual audio router to redirect microphone input

This project is a jQuery-based file upload widget that provides a browser interface for selecting and transferring files to a server. It functions as a chunked file uploader and a resumable upload client, enabling the transfer of large files by splitting them into smaller segments or continuing interrupted uploads from the last successfully sent byte. The tool includes a client-side image processor for validating, resizing, and generating previews of images before transmission. It also serves as a cross-domain upload tool, using various transport mechanisms to send files to different domains

Motionity is a browser-based motion graphics editor and video compositor. It provides a visual timeline for creating animated videos and compositions using a layer-based system and keyframe animation tools. The project features a dedicated Lottie animation renderer, allowing users to import and render vector-based files for scalable motion graphics. It includes specialized tools for keyframe animation, using easing functions to control object movement and property transitions. The platform covers a broad range of production capabilities, including digital asset composition, video clip editin

livego is a live streaming server written in Go that receives live video streams and broadcasts them to viewers in real time. It functions as a multi-protocol video gateway, serving as a backend for ingesting video and redistributing it through RTMP, HLS, and HTTP-FLV protocols. The server features dynamic protocol transmuxing to convert ingested streams into different formats for device compatibility and low-latency playback. It provides secure stream access and ingestion by validating unique channel keys and using security tokens. The system includes capabilities for encrypted stream deliv

WebGazer is a JavaScript eye tracking library and browser-based computer vision tool that predicts a user's gaze coordinates on a screen in real time using a standard webcam. It functions as a client-side biometric tracker and accessibility input framework, mapping eye gaze to screen interactions to enable hands-free navigation and user interaction research. The system performs all video processing and gaze analysis locally within the web browser, removing the need for external servers. It employs regression-based mapping models to translate eye coordinates into screen pixels, utilizing a tra

BrowserBox is a remote browser isolation platform that executes web sessions within containerized server environments. It utilizes a server-side browser running in Docker or LXC to isolate untrusted content from local devices, transmitting the session to clients via a low-latency secure web streamer. The system features a remote browser API for provisioning ephemeral, short-lived browsing sessions and a network tunneling gateway that uses SSH tunnels and onion services to provide anonymous or secure routing. It employs GPU-accelerated server rendering to stream live video of the browser sessi

RPiPlay is an AirPlay mirroring server and media receiver designed to bridge Apple devices to Raspberry Pi hardware. It functions as a media gateway that receives encrypted video and audio streams from iOS and macOS devices to project them onto a connected display and sound system. The project focuses on low-latency video streaming by rendering frames immediately upon arrival to bypass scheduled timestamps. It utilizes bitstream manipulation and a specialized video pipeline to reduce transmission delay between the source device and the receiver. The system provides hardware-accelerated rende

xgplayer is a plugin-based HTML5 video player framework that supports multiple streaming formats including MP4, FLV, HLS, and dash. It is built on a component architecture that allows developers to extend functionality through self-contained plugins, with staged loading protocol adapters that reduce bandwidth usage. The player includes a strategy center for dynamic optimization that adjusts buffering, bitrate, and source selection in real time to reduce first-frame delay and playback stalling. The player distinguishes itself through support for ultra-low latency live streaming with time-shift

RecordRTC is a JavaScript library for capturing audio, video, and screen streams within the browser. It functions as a media recording tool that enables the capture of media streams and their export as playable files. The library provides specialized utilities for recording desktop windows or entire screens and capturing 2D or 3D animations from canvas elements. It handles these tasks by interfacing with browser media stream objects to save activity as video files.

VDO.Ninja is a low-latency peer-to-peer media routing service and video streaming platform designed to integrate remote audio and video feeds into professional production workflows. It functions as a WebRTC broadcast integration tool and studio controller, allowing for the direct transmission of high-definition media between publishers and viewers with minimal delay. The platform distinguishes itself through extensive protocol bridging, converting between WebRTC, WHIP, WHEP, SRT, and RTMP to ensure compatibility across diverse network environments and professional studio software. It includes

Ant-Media-Server is a server-side streaming engine designed for real-time audio and video broadcasting. It functions as a live media transcoder and WebRTC streaming server, facilitating the ingestion, processing, and delivery of media streams across multiple protocols. The platform is distinguished by its cloud-scale media infrastructure, which automates server capacity expansion to handle fluctuating volumes of concurrent viewers. It utilizes adaptive bitrate streaming to adjust video quality in real time based on network conditions and employs WebRTC and SRT to achieve ultra-low latency del

Background Removal JS is a client-side neural matting library that runs a lightweight AI model directly in the browser to compute alpha mattes, removing image backgrounds without uploading any data to a server. It functions as a browser-based image background removal SDK and client-side image matting library, keeping all processing on the user's device to eliminate server costs and preserve privacy. The project provides a cross-platform creative editing engine that produces identical image and video output across web, mobile, desktop, and server environments from a single codebase. It offers

Colyseus is a real-time multiplayer game framework for Node.js that provides an authoritative server model, delta-compressed state synchronization, and room-based session orchestration. It is designed to handle the core infrastructure of multiplayer games, including matchmaking, state management, and scalable process distribution across multiple servers. The framework distinguishes itself through its schema-based state definition, which enables automatic serialization and change tracking, combined with a binary WebSocket protocol for low-latency updates. Its matchmaking pipeline routes player

This is a WebRTC video calling platform and browser-based video conferencing tool. It provides an instant communication room generator and an embeddable video call widget for hosting group audio and video calls directly in the browser. The platform enables a no-authentication communication workflow, allowing for the creation of unique, shareable links to establish private video sessions without requiring user account registration or software installation. The system supports real-time group video calling and provides capabilities for integrating the communication interface into external web