questdb / questdb

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

AllTick-Official / alltick-realtime-forex-crypto-stock-tick-finance-websocket-api

AllTick real-time financial market data API with REST and WebSocket access to stocks, forex, crypto, commodities, and indices.

binance / binance-connector-java

Simple Java connector to Binance Spot API

nvxtien / emporia

Emporia is a microservices-based trading platform built with Spring Boot, React and PostgreSQL, featuring real-time market data, order management, execution strategies, and OAuth2 security.

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.