Open Source Real-Time Projects
Discover 52 open source Real Time repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. Real Time projects here are most often combined with Self Hosted, Python and TypeScript. Last updated October 3, 2026.
52 repositories · updated October 3, 2026

parakeet-mlx: Transcribe Audio on Apple Silicon
parakeet-mlx runs Nvidia Parakeet speech recognition models on Apple Silicon using MLX. It provides command-line and Python interfaces for transcription, timestamps, chunking, and streaming audio.

yjs-cf-ws-provider: Relay Yjs Collaboration over Cloudflare
A serverless WebSocket provider that relays Yjs updates using Cloudflare Workers and Durable Objects. Intended for learning and demonstrations, it supports Yjs WebSocket clients and can persist document state to R2.

OpenStock: Track Stocks and Explore Market Data
OpenStock is a web-based stock market dashboard for tracking prices, managing a watchlist, and exploring company data. It suits people seeking a self-hostable alternative to paid market platforms, with market-data provider limitations to consider.

fastrtc: Build Real-Time Audio and Video Apps in Python
FastRTC turns Python functions into real-time audio and video streams over WebRTC or WebSockets. It suits developers building voice, video, and AI interaction features who want stream handling and optional Gradio or FastAPI integration.

SDRPlusPlus: Tune and Monitor Software-Defined Radio
SDR++ is cross-platform software for receiving and exploring radio signals with supported SDR hardware. Its modular design, multi-VFO interface, and signal-processing tools suit hobbyists and radio enthusiasts who want a desktop SDR application.

hertzbeat: Monitor Systems, Metrics, Logs, and Alerts
Apache HertzBeat is a self-hosted observability platform for collecting metrics and logs, managing alerts, and publishing service status pages. It suits teams seeking agentless monitoring with configurable collection and optional collector clusters.

vexa: Capture and Transcribe Online Meetings
Vexa runs bots that join Google Meet, Microsoft Teams, and Zoom, then provides speaker-attributed transcripts through an API. Teams can use its hosted service or self-host the stack and connect transcripts to workspace agents.

wolf: Stream Docker Desktops and Games to Moonlight
Wolf lets multiple remote users stream games or virtual desktops hosted on one Linux server through Moonlight. It is designed for containerized workloads and flexible display, GPU, and encoding setups.

flat: Run a Live Online Classroom on Web and Desktop
Agora Flat is a TypeScript classroom client for web, Windows, and macOS, combining a collaborative whiteboard with live audio, video, messaging, and classroom tools. It suits teams building or evaluating interactive online teaching experiences.

ElatoAI: Build Realtime Voice AI Devices with ESP32
ElatoAI connects ESP32 devices to realtime voice AI through secure WebSockets and edge functions. It is for developers building talking toys, companions, or other connected devices that need speech-to-speech models and a web-based control app.

ClipCascade: Sync Clipboard Content Across Devices
ClipCascade automatically syncs text, images, and files across desktop and Android devices. Choose a community server or self-host it, with server-based and peer-to-peer sync options.

pedalboard: Process Audio and Apply Effects in Python
Pedalboard is a Python library for reading, transforming, and rendering audio, with built-in effects and support for VST3 and Audio Unit plugins. It suits audio developers and machine-learning workflows that need programmable audio processing.