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Design patterns implemented in Java
Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
Free and Open Source, Distributed, RESTful Search Engine
Ghidra is a software reverse engineering (SRE) framework
Open Source Identity and Access Management For Modern Applications and Services
APM, Application Performance Monitoring System
Open source alternative to Auth0 / Firebase Auth / AWS Cognito
Zuul is a gateway service that provides dynamic routing, monitoring, resiliency, security, and more.
APM, (Application Performance Management) tool for large-scale distributed systems.
Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.
🔎 Open source distributed and RESTful search engine.
OpenRefine is a free, open source power tool for working with messy data and improving it
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process …
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
A compact and highly efficient workflow and Business Process Management (BPM) platform for developers, system admins and business users.
Tsunami is a general purpose network security scanner with an extensible plugin system for detecting high severity vulnerabilities with high confidence.
Drools is a rule engine, DMN engine and complex event processing (CEP) engine for Java.
JanusGraph: an open-source, distributed graph database
Open source version of Google Authenticator (except the Android app)
Camunda 7 CE is End of Life (EoL). Please check out Camunda 8 instead (https://github.com/camunda/camunda) or read about Camunda 7 Enterprise End of Life (https://camunda.com/blog/2025/02/camunda-7…
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 d…
The reliable, generic, fast and flexible logging framework for Java.
JavaMelody : monitoring of JavaEE applications