questdb / questdb

QuestDB is a high performance, open-source, time-series database

hazelcast / hazelcast

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

ant-media / Ant-Media-Server

Ant Media Server — Ultra-low latency streaming engine with WebRTC (~0.5s), SRT, RTMP, HLS, CMAF, adaptive bitrate, transcoding & scaling

OpenHFT / Chronicle-Queue

Micro second messaging that stores everything to disk

apache / bookkeeper

Apache BookKeeper - a scalable, fault tolerant and low latency storage service optimized for append-only workloads

OpenHFT / Java-Thread-Affinity

Bind a java thread to a given core

dingodb / dingo

A multi-modal vector database that supports upserts and vector queries using unified SQL (MySQL-Compatible) on structured and unstructured data, while meeting the requirements of high concurrency and ultra-low latency.

sofastack / sofa-registry

SOFARegistry is a production-level, low-latency, high-availability service registry powered by Ant Financial.

scalecube / scalecube-services

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

ronitgupta138 / Apex-Matching-Engine

⚡ Ultra-Low Latency Continuous Double Auction Matching Engine in Java 21 Loom. In-memory L2 market depth, price-time priority, STOMP WebSockets, 50k+ ops/sec.

YeamimHossainSajid / uber-doma-architecture

An enterprise blueprint for Uber's DOMA in Spring Boot. Eliminates microservice sprawl and internal network latency using tiered API gateways, gRPC, and isolated databases

RamazanKara / nightjar

Nightjar: a low-latency Android client for streaming games from your PC. Works with Sunshine, Apollo, Vibepollo, Rubylight and GeForce Experience, and adapts to each host. PyroWave, FSR/GSR upscaling, DualSense over USB.

AutoMQ / automq

Diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.