:fire: Android developers should collect the following utils(updating).
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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.
- orchestration
- data-orchestration
- high-availability
- infrastructure-as-code
a fast, scalable, multi-language and extensible build system
This project is deprecated and stale. The latest ExoPlayer code is available in https://github.com/androidx/media
Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard. By default it supports the Google Java Style Guide and Sun Code Conventions, but is highly configurable. It can be invoked with an ANT task and a command line program.
An extensible multilanguage static code analyzer.
- code-analysis
- code-quality
- static-analysis
- static-code-analysis
Picocli is a modern framework for building powerful, user-friendly, GraalVM-enabled command line apps with ease. It supports colors, autocompletion, subcommands, and more. In 1 source file so apps can include as source & avoid adding a dependency. Written in Java, usable from Groovy, Kotlin, Scala, etc.
- java
- commandline
- parser
- ansi-colors
The official AWS SDK for Java 1.x (In Maintenance Mode, End-of-Life on 12/31/2025). The AWS SDK for Java 2.x is available here: https://github.com/aws/aws-sdk-java-v2/
- aws-sdk
- java
- aws
- amazon
Android fillable progress view working with SVG paths. This is a nice option too if you want to create an interesting branding logo for your app. Based on the iOS project: https://github.com/poolqf/FillableLoaders
Android Library for Logging RxJava Observables and Subscribers.
- android
- rxjava
- android-development
- android-library
SirixDB is an an embeddable, bitemporal, append-only database system and event store, storing immutable lightweight snapshots. It keeps the full history of each resource. Every commit stores a space-efficient snapshot through structural sharing. It is log-structured and never overwrites data. SirixDB uses a novel page-level versioning approach.
- xquery
- java
- temporal-data
- storage
Gradle/Maven plugin to package Java applications as native Windows, MacOS, or Linux executables and create installers for them.
- java
- packager
- maven-plugin
- native
Contributed code examples from O'Reilly Android Cookbook. See #user-content-table README below!
binary serialization format
- serialization
- serializable-objects
- cross-platform
- high-performance
Highly-available version-controlled service configuration repository based on Git, ZooKeeper and HTTP/2
- service-configuration
- configuration-management
- version-control
- vcs
Universal, flexible, high-performance distributed ID generator. | 通用、灵活、高性能的分布式 ID 生成器
- distributed
- id
- idgenerator
- snowflake
Declarative Java engine for structured documents. Automatic layout, pagination, reusable templates and themes. Render print-ready PDF, export editable PowerPoint, or generate semantic DOCX.
- document-generation
- java
- layout-engine
Fast & memory efficient hash tables for Java
- hashtable
- java
- simd
- robinhood-hashing
Project to enable using CMake from a Maven build.
Compile-time annotation processor for Spring Boot. Generates predictable REST APIs, DTOs, JSON Patch endpoints, and N+1 safe JPA repositories without runtime reflection.
- annotation-processor
- boilerplate
- code-generator
- dto
Immuto - Java Records-first object mapper.An annotation processor generates type-safe mapper implementations at compile time; the generated code calls each target record's canonical constructor directly - zero runtime reflection, sealed class support, full Java 21+ idioms.
- annotation-processor
- bean-mapper
- canonical-constructor
- code-generation
Spring Boot starter available via JitPack and GitHub Releases, with an Actuator endpoint for identifying used, unused, and indeterminate starters at runtime.
- actuator
- java
- spring-boot
- spring-boot-starter