All Algorithms implemented in Java
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Free universal database tool and SQL client
ZXing ("Zebra Crossing") barcode scanning library for Java, Android
about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码，快速简单上手教程。
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.
Apache Flink
Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Extends Valkey and Redis with over 60 objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
This repository consists of the code samples, assignments, and notes for the Java data structures & algorithms + interview preparation bootcamp of WeMakeDevs.
👶🏻 신입 개발자 전공 지식 & 기술 면접 백과사전 📖
The official home of the Presto distributed SQL query engine for big data
Cryptomator for Windows, macOS, and Linux: Secure client-side encryption for your cloud storage, ensuring privacy and control over your data.
Logstash - transport and process your logs, events, or other data
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
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.
Apache ZooKeeper
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.
Cracking the Coding Interview 6th Ed. Solutions
Realm is a mobile database: a replacement for SQLite & ORMs
Flyway by Redgate • Database Migrations Made Easy.
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
Apache Beam is a unified programming model for Batch and Streaming data processing.
jOOQ is the best way to write SQL in Java