Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.
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光 HikariCP・A solid, high-performance, JDBC connection pool at last.
- java
- connection-pool
- jdbc
- high-performance
Translatedflink learning blog. http://www.54tianzhisheng.cn/ Covers Flink introduction, concepts, principles, hands-on practice, performance tuning, source code analysis, and more. Includes learning examples involving Flink Connector, Metrics, Library, DataStream API, Table API & SQL, and also shares large-scale project cases of Flink in production (PV/UV, log storage, real-time deduplication of 10 billion records, monitoring and alerting). You are welcome to support my column 《大数据实时计算引擎 Flink 实战与性能优化》 ("Big Data Real-Time Computing Engine Flink: Hands-On Practice and Performance Optimization")
Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.
- change-data-capture
- kafka-connect
- apache-kafka
- debezium
Open-Source Web UI for Apache Kafka Management
- kafka-ui
- kafka-brokers
- kafka
- kafka-streams
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
- sso-authentication
- authentication
- authorization
- java
Multitask、MultiThread(MultiConnection)、Breakpoint-resume、High-concurrency、Simple to use、Single/NotSingle-process
- filedownloader
- multiple-process
- multiple-thread
- downloader
Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.
- camel
- integration
- java
- microservices
Android Bluetooth Low Energy (BLE) Fast Development Framework. It uses simple ways to filter, scan, connect, read ,write, notify, readRssi, setMTU, and multiConnection.
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
Android library listening network connection state and Internet connectivity with RxJava Observables
- android
- internet-connection
- network-connection
- network-monitoring
The goal of this project is to allow integrated or USB-connected webcams to be accessed directly from Java. Using provided libraries users are able to read camera images and detect motion. Main project consist of several sub projects - the root one, which contains required classes, build-in webcam driver compatible with Windows, Linux and Mac OS, which can stream images as fast as your camera can serve them (up to 50 FPS). Main project can be used standalone, but user is able to replace build-in driver with different one - such as OpenIMAJ, GStreamer, V4L4j, JMF, LTI-CIVIL, FMJ, etc.
- webcam
- java
- webcam-capture
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
- esb
- event-driven
- event-mesh
- event-governance
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
Allows of newer clients to connect to older server versions for Minecraft servers.
- minecraft
- plugin
- spigot
- bukkit
An OpenID Connect reference implementation in Java on the Spring platform.
The swiss army knife of healthcare integration.
- mirth
- mirth-connect
- hl7
- healthcare
HiveMQ CE is a Java-based open source MQTT broker that fully supports MQTT 3.x and MQTT 5. It is the foundation of the HiveMQ Enterprise Connectivity and Messaging Platform
FlexyPool adds metrics and failover strategies to a given Connection Pool, allowing it to resize on demand.
- connection-pool
- java
- histogram
- dbcp
MySQL Connector/J
MariaDB Embedded in Java JAR
The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.
Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.