Open Source Identity and Access Management For Modern Applications and Services
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PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.
Orchestrate everything, everywhere. The open-source control plane for workflows across data, infrastructure, business processes and AI agents. Declarative YAML, event-driven, any language, Git-versioned, scalable to millions of executions.
阿里云计算平台DataWorks(https://help.aliyun.com/document_detail/137663.html) 团队出品，为监控而生的数据库连接池
Learn Low Level Design (LLD) and prepare for interviews using free resources.
Desktop/Android/HTML5/iOS Java game development framework
Generate diagrams from textual description
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
A configuration as code language with rich validation and tooling.
jsoup: the Java HTML parser, built for HTML editing, cleaning, scraping, and XSS safety.
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
A tool for mocking HTTP services
Java DSL for easy testing of REST services
Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.
JanusGraph: an open-source, distributed graph database
OpenPDF is an open-source Java library for creating, editing, rendering, and encrypting PDF documents, as well as generating PDFs from HTML. It is licensed under the LGPL and MPL.
XChange is a Java library providing a streamlined API for interacting with 60+ Bitcoin and Altcoin exchanges providing a consistent interface for trading and accessing market data.
Library for OpenAPI 3 with spring-boot
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
CommonMark/Markdown Java parser with source level AST. CommonMark 0.28, emulation of: pegdown, kramdown, markdown.pl, MultiMarkdown. With HTML to MD, MD to PDF, MD to DOCX conversion modules.
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
XML/XHTML and CSS 2.1 renderer in pure Java
P6Spy is a framework that enables database data to be seamlessly intercepted and logged with no code changes to the application.
PlantUML Online Server