ashishps1 / awesome-system-design-resources

Learn System Design concepts and prepare for interviews using free resources.

opentrap / opentrap

A free, open-source alternative to Burp Suite: an intercepting proxy and web app security testing suite with Repeater, Intruder, Collaborator and a built-in OWASP ZAP scanner. Linux, AGPL-3.0.

doocs / advanced-java

😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

kestra-io / kestra

Event Driven Orchestration & Scheduling Platform for Mission Critical Applications

opendataloader-project / opendataloader-pdf

PDF Parser for AI-ready data. Automate PDF accessibility. Open-source.

apache / skywalking

APM, Application Performance Monitoring System

apache / shardingsphere

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

apache / doris

Apache Doris is a real-time analytics and hybrid search database for AI agents.

StarRocks / starrocks

The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.

AutoMQ / automq

Diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

apache / cassandra

Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.

google / tsunami-security-scanner

Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.

MinecraftForge / MinecraftForge

Modifications to the Minecraft base files to assist in compatibility between mods. New Discord: https://discord.minecraftforge.net/

PowerJob / PowerJob

Enterprise job scheduling middleware with distributed computing ability.

dependency-check / DependencyCheck

OWASP dependency-check is a software composition analysis utility that detects publicly disclosed vulnerabilities in application dependencies.

apache / hertzbeat

An AI-powered next-generation open source real-time observability system.

hazelcast / hazelcast

Hazelcast is a unified real-time data platform combining stream processing with a fast data store, allowing customers to act instantly on data-in-motion for real-time insights.

btraceio / btrace

Production-safe dynamic tracing and diagnostics for Java applications—attach to live JVMs with no restart or recompilation.

zfdang / Android-Touch-Helper

AdSkip — an Android assistant for automatically skipping app launch ads

micrometer-metrics / micrometer

An application observability facade for the most popular observability tools. Think SLF4J, but for observability.

DependencyTrack / dependency-track

Dependency-Track is an intelligent Component Analysis platform that allows organizations to identify and reduce risk in the software supply chain.

uber / NullAway

A tool to help eliminate NullPointerExceptions (NPEs) in your Java code with low build-time overhead

sofastack / sofa-rpc

SOFARPC is a high-performance, high-extensibility, production-level Java RPC framework.

dtinit / data-transfer-project

The Data Transfer Project makes it easy for platforms to build interoperable user data portability features. We are establishing a common framework, including data models and protocols, to enable direct transfer of data both into and out of participating online service providers.

AxonIQ / AxonFramework

Framework for Evolutionary Message-Driven Microservices on the JVM

apache / hugegraph

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

manifold-systems / manifold

Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.

PurpurMC / Purpur

Purpur is a drop-in replacement for Paper servers designed for configurability, and new fun and exciting gameplay features.

itext / itext-java

iText for Java represents the next level of SDKs for developers that want to take advantage of the benefits PDF can bring. Equipped with a better document engine, high and low-level programming capabilities and the ability to create, edit and enhance PDF documents, iText can be a boon to nearly every workflow.

CaffeineMC / lithium

A Minecraft mod designed to improve the general performance of the game, without compromising functionality or mod compatibility

apache / atlas

Apache Atlas - Open Metadata Management and Governance capabilities across the Hadoop platform and beyond

jOOQ / jOOL

jOOλ - The Missing Parts in Java 8 jOOλ improves the JDK libraries in areas where the Expert Group's focus was elsewhere. It adds tuple support, function support, and a lot of additional functionality around sequential Streams. The JDK 8's main efforts (default methods, lambdas, and the Stream API) were focused around maintaining backwards compatibility and implementing a functional API for parallelism.

zalando / logbook

An extensible Java library for HTTP request and response logging

google / adk-java

An open-source, code-first Java toolkit for building, evaluating, and deploying sophisticated AI agents with flexibility and control.

aklivity / zilla

🦎 A lightweight, multi-protocol gateway for event-driven applications and AI agents. Expose and govern Kafka, MQTT, APIs, and MCP through one high-performance engine with shared routing, security, schema, and observability.

dingodb / dingo

A multi-modal vector database that supports upserts and vector queries using unified SQL (MySQL-Compatible) on structured and unstructured data, while meeting the requirements of high concurrency and ultra-low latency.

polardb / polardbx-sql

PolarDB-X is a cloud native distributed SQL Database designed for high concurrency, massive storage, complex querying scenarios.

kksimp / Mac.apk

Mac.apk: Run Android apps natively on Apple Silicon Macs

ongres / stackgres

StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.

opendatadiscovery / odd-platform

First open-source data discovery and observability platform. We make a life for data practitioners easy so you can focus on your business.

apache / rocketmq-dashboard

The state-of-the-art Dashboard of Apache RoccketMQ provides excellent monitoring capability. Various graphs and statistics of events, performance and system information of clients and application is evidently made available to the user.

higress-group / himarket

HiMarket is an enterprise-level "AI Capability Marketplace and Developer Ecosystem Hub." It is not merely a simple aggregation of traditional APIs, but rather a comprehensive platform that packages, publishes, manages, and operates core AI assets such as enterprise Model APIs, MCP Servers, Agent APIs, etc., through standardized product formats.

apache / incubator-xtable

Apache XTable (incubating) is a cross-table converter for lakehouse table formats that facilitates interoperability across data processing systems and query engines.

LINBIT / linstor-server

High Performance Software-Defined Block Storage for container, cloud and virtualisation. Fully integrated with Docker, Kubernetes, Openstack, Proxmox etc.

potato-security / PotatoTool

这款工具是一款功能强大的网络安全综合工具，旨在为安全从业者、红蓝对抗人员和网络安全爱好者提供全面的网络安全解决方案。它集成了多种实用功能，包括解密、分析、扫描、溯源等，为用户提供了便捷的操作界面和丰富的功能选择。This tool offers robust network security solutions for professionals and enthusiasts. With features like decryption, analysis, scanning, and traceability, it provides a user-friendly interface and diverse functionality.

aizhimou / pigeon-pod

Listen to YouTube & Bilibili. Anywhere.

jspecify / jspecify

An artifact of fully-specified annotations to power static-analysis checks, beginning with nullness analysis.

steve-community / steve

SteVe - OCPP server implementation in Java. Your trusted open-source EV charging station management system since 2013. Used by CPOs, manufacturers and developers worldwide. Managed cloud →

dapr / quickstarts

Dapr quickstart code samples and tutorials showcasing core Dapr capabilities

Winds-Studio / Leaf

A Paper fork focused on finding the balance between performance, vanilla mechanics, and stability

googlesamples / android-testdpc

Test DPC is a sample device policy controller for use with Android Enterprise. It gives developers the ability to see how their app will behave in a managed context such as device owner or within a managed profile. Users can set up a work profile, enable work apps, set applications restrictions, manage security polices, and much more. The app also serves as a implementation reference for other DPCs

ven-coder / assists

🔥Android无障碍服务（AccessibilityService）开发框架，Android自动化脚本框架，快速开发复杂自动化任务、远程协助、监听等

w8123 / EnterpriseAgentFramework

ReachAI企业级智能体开发平台：快速、安全完成已有业务系统智能化改造，让 AI 在 OA、ERP、CRM 等原系统中查数据、填表单、办业务。ReachAI: Quickly and securely bring AI to existing enterprise systems, enabling AI to query data, fill out forms, and execute business tasks directly within OA, ERP, CRM, and other business applications.

LGH1996 / TapClick

Android自动化点击工具

apache / skywalking-java

The Java agent for Apache SkyWalking

eclipse-vertx / vertx-sql-client

High performance reactive SQL client written in Java

petoncle / mousemaster

Mouseless mouse control and advanced keyboard customization for Windows and macOS.

OWASP-Benchmark / BenchmarkJava

OWASP Benchmark is a test suite designed to verify the speed and accuracy of software vulnerability detection tools. A fully runnable web app written in Java, it supports analysis by Static (SAST), Dynamic (DAST), and Runtime (IAST) tools that support Java. The idea is that since it is fully runnable and all the vulnerabilities are actually exploitable, it’s a fair test for any kind of vulnerability detection tool. For more details on this project, please see the OWASP Benchmark Project home page.

valkey-io / valkey-glide

An open source Valkey client library that supports Valkey, and Redis open source 6.2, 7.0 and 7.2. Valkey GLIDE is designed for reliability, optimized performance, and high-availability, for Valkey and Redis OSS based applications. GLIDE is a multi language client library, written in Rust with programming language bindings, such as Java and Python

Sinytra / Connector

A compatibility layer that allows running Fabric mods on NeoForge