Repository Index

Free universal database tool and SQL client

• sql
• database
• dbeaver
• gui

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.

• ai
• mysql
• oracle
• postgresql

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..

• java
• redis
• lock
• map

🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs 🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码，前端(客户端) 定制返回 JSON 的数据和结构

• postgresql-database
• tidb
• sqlserver
• oracle

flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去重、监控告警）分享。欢迎大家支持我的专栏《大数据实时计算引擎 Flink 实战与性能优化》

• flink
• kafka
• elasticsearch
• spark

Redis Java client

• redis
• java
• jedis
• redis-client

Apache Ignite

• distributed-sql-database
• iot
• osgi
• network-client

High performance reactive SQL client written in Java

• vertx
• postgres
• pg
• async

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included

• tls
• truststore
• certificate
• keystore

A simple NoSQL client for Android. Meant as a document store using key/value pairs and some rudimentary querying. Useful for avoiding the hassle of SQL code.

WebTau (web test automation) is a testing API, command line tool and a framework to write unit, integration and end-to-end tests. Test across REST-API, WebSocket, GraphQL, Browser, Database, CLI and Business Logic with a consistent set of matchers and concepts. REPL mode speeds-up tests development. Rich reporting cuts down investigation time.

• testing
• test-framework
• rest-api
• selenium

⚗️ Lightweight HTTP extensions for Java & Kotlin

• jackson
• gson
• jaxb
• protobuf

[UNMAINTAINED] Meteor's Distributed Data Protocol (DDP) for clients on Android

• meteor
• android
• ddp
• client

Redis client for Vert.x

• redis
• redis-client
• java
• vertx

High performance reactive PostgreSQL client written in Java

A demo Music Store with Eclipse Vert.x and RxJava3

• vertx
• rxjava
• postgresql
• couchbase

A HBase driver for Erlang/Elixir using Jinterface and the Asynchbase Java client to query the database.

• hbase
• elixir
• erlang
• hbase-driver

Cassandra client for Vert.x

• cassandra
• vertx
• reactive
• perforomance

A Vert.x client allowing applications tapping into MySQL replication stream.

Lightweight mongo mocking for Vert.x

• vertx
• mongodb
• mock
• test