The world's fastest open query engine for sub-second analytics both on and off the data lakehouse. With the flexibility to support nearly any scenario, StarRocks provides best-in-class performance for multi-dimensional analytics, real-time analytics, and ad-hoc queries. A Linux Foundation project.
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The Java gRPC implementation. HTTP/2 based RPC
- grpc
- java
- microservices
- proto
Realm is a mobile database: a replacement for SQLite & ORMs
An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.
- android
- java
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 engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
Translated⚔️ A common architecture for Android applications developing based on MVP, integrates many open source projects, to make your developing quicker and easier (an Android MVP rapid integration framework that integrates a large number of mainstream open source projects and is highly configurable).
- mvp
- rxjava
- retrofit2
- dagger2
Flyway by Redgate • Database Migrations Made Easy.
- flyway
- java
- database-migrations
- java-library
Open source transactional distributed database. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure without compromising performance.
AgentWeb is a powerful library based on Android WebView.
- webview
- agentweb-android-webview
- webview-agentweb-web
- cookie
Android filters based on OpenGL (idea from GPUImage for iOS)
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.
- java
- docker
- docker-compose
- junit
A library for debugging android databases and shared preferences - Make Debugging Great Again
积木报表：免费开源的报表与 BI 工具，可视化报表设计、数据大屏、仪表盘、打印设计、数据填报一站搞定；AI 一句话生成报表和大屏，Chat2BI 智能问数，类 Excel 在线设计，兼容国产信创数据源，是帆软、润乾报表的免费替代。
- report
- ireport
- birt
- highcharts
Distributed scheduled job
- scheduled-jobs
- cron
- job
- job-management
An Android library that makes developers use SQLite database extremely easy.
Modifications to the Minecraft base files to assist in compatibility between mods. New Discord: https://discord.minecraftforge.net/
- java
- forge
- minecraft
- mod
Asynchronous socket, http(s) (client+server) and websocket library for android. Based on nio, not threads.
An AI-powered next-generation open source real-time observability system.
- monitor
- monitoring
- prometheus
- self-hosted
The AI search platform
- vespa
- search-engine
- big-data
- ai
Real - time non-invasive AOP framework container based on JVM
TranslatedAndroid technical middle platform; may we live long, and may there be no more brick-moving (grunt work)
- android
- mvp
- dialog
- glide
jOOQ is the best way to write SQL in Java
- jooq
- java
- sql
- jpa
Shattered Pixel Dungeon is an open-source traditional roguelike dungeon crawler with randomized levels and enemies, and hundreds of items to collect and use. It's based on the source code of Pixel Dungeon, by Watabou.
↥ ↥ ↥ Follow for updates An RBAC permission management system based on Spring Cloud 2025, Spring Boot 4, and OAuth2.
- oauth2
- spring-boot
- spring-cloud
- spring-cloud-alibaba