low-latency

fmtlog is a performant fmtlib-style logging library with latency in nanoseconds.

cachegrand - a modern data ingestion, processing and serving platform built for today's hardware

Real-time WebRTC streaming for Raspberry Pi and NVIDIA Jetson with 100–200 ms glass-to-glass latency.

Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift

Lightning Memory Database (LMDB) for Java: a low latency, transactional, sorted, embedded, key-value store

Lightning-fast reverse tunneling solution for NAT traversal, optimized for handling massive concurrent connections with tcp, tcpmux, udp, udp over tcp, ws, wsmux, wss and wssmux support.

A Python high-performance screen capture library for Windows using Desktop Duplication API - Updated 2026

A secure, stable and high-performance reverse proxy with TCP/UDP support.

Toolkit for real-time, low latency, programmable video and audio mixing.

A thread-safe queue faster and more resource efficient than golang's native channels

Microservices library - scalecube-services is a high throughput, low latency reactive microservices library built to scale. It features: API-Gateways, service-discovery, service-load-balancing, the architecture supports plug-and-play service communication modules and features. built to provide performance and low-latency real-time stream-processing

C++ interfaces used to communicate with Roq's market gateways.

cloud-native local storage management system for stateful workload, low-latency with simplicity

📹 Open-source, self-hosted WebRTC 1-to-1 video calling for private real-time communication. Build secure browser-based consultations, coaching, support, telehealth, and other video call experiences with peer-to-peer communication and screen sharing.