Top REALTIME GitHub Repositories & Tools (2026)

The Postgres development platform. Supabase gives you a dedicated Postgres database to build your web, mobile, and AI applications.

Open Source realtime backend in 1 file

real time face swap and one-click video deepfake with only a single image

IP addresses break, dial keys instead. A library that adds QUIC + NAT Traversal to your apps.

Real-time intraday stock scanner for US equities with a browser dashboard you lay out yourself

FlashRT is a high-performance realtime inference engine for small-batch, latency-sensitive AI workloads. The flagship integration is production VLA control for Pi0, Pi0.5, GROOT N1.6, and Pi0-FAST. Also support llm e.g, qwen3.6-27B

Fast, Simple and a cost effective tool to replicate data from Postgres to Data Warehouses, Queues and Storage

Web-based Traffic and Cybersecurity Network Traffic Monitoring

Sanity Studio – Rapidly configure content workspaces powered by structured content

A proxy server for adding push to your API, used at the core of Fastly's Fanout service

Fully customizable AI chatbot component for your website

Open-source realtime voice agent server in Go with WebRTC (WHIP), barge-in, streaming STT/LLM/TTS pipelines, plugin system, multi-language SDKs, SIP telephony, ESP32 support & fully local mode.

Document Store for collaborative applications

Firebase Admin Java SDK

Node Creative Coding / 3D / Image Processing tool inspired by Quartz Composer

Opensource, on-device voice + vision layer for AI agents. Bring any model or coding agent; the whole speech loop (VAD, STT, TTS, barge-in) runs locally. An open alternative to ElevenLabs Agents, Gemini Live, and OpenAI Realtime.

Combine wrapper on Google's iOS Firebase library.

The official Go client library for the Massive REST and WebSocket API.

Open source real-time translation app for Android that runs locally

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.