elastic/elasticsearch
Free and Open Source, Distributed, RESTful Search Engine
spring-projects/spring-boot
Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
opensearch-project/OpenSearch
🔎 Open source distributed and RESTful search engine.
iflytek/skillhub
Self-hosted, open-source agent skill registry for enterprises. Publish & version skill packages, govern with RBAC and audit logs, deploy on-premise with Docker or Kubernetes.
Stirling-Tools/Stirling-PDF
#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
cryptomator/cryptomator
Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.
apache/cassandra
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
dataease/dataease
🔥 人人可用的开源 BI 工具，数据可视化神器。An open-source BI tool alternative to Tableau.
kestra-io/kestra
Event Driven Orchestration & Scheduling Platform for Mission Critical Applications
modelcontextprotocol/java-sdk
The official Java SDK for Model Context Protocol servers and clients. Maintained in collaboration with Spring AI
krahets/hello-algo
《Hello 算法》：动画图解、一键运行的数据结构与算法教程。支持简中、繁中、English、日本語，提供 Python, Java, C++, C, C#, JS, Go, Swift, Rust, Ruby, Kotlin, TS, Dart 等代码实现
itwanger/toBeBetterJavaer
一份通俗易懂、风趣幽默的Java学习指南，内容涵盖Java基础、Java并发编程、Java虚拟机、Java企业级开发、Java面试等核心知识点。学Java，就认准二哥的Java进阶之路😄
supertokens/supertokens-core
Open source alternative to Auth0 / Firebase Auth / AWS Cognito