apache / kafka

Distributed event streaming platform for building high-throughput data pipelines and streaming applications.

YunaiV / ruoyi-vue-pro

Chinese-language full-stack admin platform (Spring Boot + Vue) with RBAC, multi-tenancy, workflow, payments, mall, CRM/ERP modules, and WeChat mini-program support.

agentscope-ai / agentscope-java

Java framework for building distributed, long-running agents with an event stream, tool-call permissions, middleware, and sandboxed workspaces.

elastic / elasticsearch

Free and open source distributed RESTful search and analytics engine built on Apache Lucene.

flowable / flowable-engine

Java workflow engine that executes BPMN processes, CMMN cases, and DMN decision rules, embeddable or runnable as a server.

trinodb / trino

Distributed SQL query engine for big data analytics across many data sources, formerly known as PrestoSQL.

648540858 / wvp-GB28181-pro

Java-based video platform implementing GB28181, JT/T 808 and JT/T 1078 with a built-in web admin UI for managing camera and NVR streams.

spring-projects / spring-framework

Foundational Java framework providing dependency injection, web MVC, data access, and other infrastructure for enterprise applications.

apache / flink

Open source framework for stateful stream and batch data processing, with Java, Scala, Python, and SQL APIs.

apache / fineract

Open-source core banking platform providing a extensible foundation for financial services like loans, savings, and group lending.

spring-projects / spring-boot

Opinionated framework for building production-ready, standalone Spring applications with minimal configuration.