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7 stars written in Java
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Design patterns implemented in Java

Java 93,844 27,366 Updated Mar 20, 2026

ZXing ("Zebra Crossing") barcode scanning library for Java, Android

Java 33,906 9,435 Updated Mar 16, 2026

AI-driven database tool and SQL client, The hottest GUI client, supporting MySQL, Oracle, PostgreSQL, DB2, SQL Server, DB2, SQLite, H2, ClickHouse, and more.

Java 25,300 2,766 Updated Mar 22, 2026

Open-Source Web UI for Apache Kafka Management

Java 11,989 1,381 Updated Jul 26, 2024

A barebones WebSocket client and server implementation written in 100% Java.

Java 10,801 2,589 Updated Jan 13, 2026

High-quality QR Code generator library in Java, TypeScript/JavaScript, Python, Rust, C++, C.

Java 6,489 1,252 Updated Jan 23, 2025

Manage OS processes and get cpu and memory stats cross-platform in Java.

Java 241 84 Updated Mar 3, 2024