FASTJSON 2.0.x has been released, faster and more secure, recommend you upgrade.

🔥 Android MVP 快速开发框架，做国内 「示例最全面」「注释最详细」「使用最简单」「代码最严谨」的 Android 开源 UI 框架。 🔥 An Android MVP Framework with many demos, detailed documents, simple usages and strict codes.

🚄 FASTJSON2 is a Java JSON library with excellent performance.

🚀 Plugin for Android Studio And IntelliJ Idea to generate Kotlin data class code from JSON text ( Json to Kotlin )

🥚 Netty实践学习案例，见微知著！带着你的心，跟着教程。我相信你行欧。

Easy to use lightweight web crawler（易用的轻量化网络爬虫）

Fastjson vulnerability quickly exploits the framework（fastjson漏洞快速利用框架）

Fastjson扫描器，可识别版本、依赖库、autoType状态等。A tool to distinguish fastjson ,version and dependency

Getting started with java code auditing 代码审计入门的小项目

🔐Sensitive log tool for java, based on java annotation. (基于注解的 java 日志脱敏工具框架，更加优雅的日志打印。支持自定义哈希、支持基于 log4j2 插件的统一脱敏、支持 logback 插件统一脱敏)

Cola Dnslog v1.3.2 更加强大的dnslog平台/无回显漏洞探测辅助平台 完全开源 dnslog httplog ldaplog rmilog 支持dns http ldap rmi等协议 提供API调用方式便于与其他工具结合 支持钉钉机器人、Bark等提醒 支持docker一键部署 后端完全使用python实现 前端基于vue-element-admin二开

JAVA 漏洞靶场 (Vulnerability Environment For Java)

Smallest, fastest polymorphic JSON serializer

fastjson漏洞批量检测工具

A tiny JSON storage service. Create, Read, Update, Delete and Search JSON data.

Docker labs + defensive scanner for fastjson remote-class-load RCE. fastjson 1.2.66-1.2.83: @jsontype resource probe (CVE-2026-16723). fastjson2 2.0.57: attacker @type reaches loadClass with autoType DISABLED via polymorphic types (@jsontype(seeAlso) / Jackson @JsonSubTypes). Marker-only payloads; safeMode + JDK17 controls.

A local reactive cache for Java and Android. Now, it supports heap memory、off-heap memory and disk cache.

fastjson漏洞burp插件，检测fastjson<1.2.68基于dnslog，fastjson<=1.2.24和1.2.33<=fatjson<=1.2.47的不出网检测和TomcatEcho,SpringEcho回显方案。

Abandoned - fastjson 1.2.24-1.2.80 poc & vulns env & how to check vul

A java web project based on Spring Boot using MySQL, Spring MVC, Hibernate, Spring Data JPA, Query DSL, Lombok, Logback, etc.