#1 PDF Application on GitHub that lets you edit PDFs on any device anywhere
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Free universal database tool and SQL client
坚持分享 GitHub 上高质量、有趣实用的开源技术教程、开发者工具、编程网站、技术资讯。A list cool, interesting projects of GitHub.
Platform to build admin panels, internal tools, and dashboards. Integrates with 25+ databases and any API.
Alibaba Java Diagnostic Tool Arthas/Alibaba Java诊断利器Arthas
🍬A set of tools that keep Java sweet.
ANTLR (ANother Tool for Language Recognition) is a powerful parser generator for reading, processing, executing, or translating structured text or binary files.
Adaptable, fast automation for all
Most popular Mocking framework for unit tests written in Java
Vert.x is a tool-kit for building reactive applications on the JVM
🏗 Build container images for your Java applications.
Suite of tools for deploying and training deep learning models using the JVM. Highlights include model import for keras, tensorflow, and onnx/pytorch, a modular and tiny c++ library for running math code and a java based math library on top of the core c++ library. Also includes samediff: a pytorch/tensorflow like library for running deep learn...
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.
Android开发人员不得不收集的工具类集合 | 支付宝支付 | 微信支付（统一下单） | 微信分享 | Zip4j压缩（支持分卷压缩与加密） | 一键集成UCrop选择圆形头像 | 一键集成二维码和条形码的扫描与生成 | 常用Dialog | WebView的封装可播放视频 | 仿斗鱼滑动验证码 | Toast封装 | 震动 | GPS | Location定位 | 图片缩放 | Exif 图片添加地理位置信息（经纬度） | 蛛网等级 | 颜色选择器 | ArcGis | VTPK | 编译运行一下说不定会找到惊喜
OpenRefine is a free, open source power tool for working with messy data and improving it
A configuration as code language with rich validation and tooling.
A tool for generating code based on a GraphQL schema and GraphQL operations (query/mutation/subscription), with flexible support for custom plugins.
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
Apache JMeter open-source load testing tool for analyzing and measuring the performance of a variety of services
A tool for mocking HTTP services
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
Desktop app for managing BibTeX and BibLaTeX (.bib) libraries
Java bytecode engineering toolkit
A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead