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awesome-java


https://github.com/YunaiV/awesome-java

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  • Projects

    • Bean Mapping

      • dOOv - Provides fluent API for typesafe domain model validation and mapping. It uses annotations, code generation and a type safe DSL to make bean validation and mapping fast and easy.
      • Dozer - Mapper that copies data from one object to another using annotations and API or XML configuration.
      • JMapper - Uses byte code manipulation for lightning-fast mapping. Supports annotations and API or XML configuration.
      • MapStruct - Code generator that simplifies mappings between different bean types, based on a convention-over-configuration approach.
      • ModelMapper - Intelligent object mapping library that automatically maps objects to each other.
      • Orika - JavaBean-mapping framework that recursively copies (among other capabilities) data from one object to another.
      • reMap - Lambda and method handle-based mapping which requires code and not annotations if objects have different names.
      • Selma - Annotation processor-based bean mapper.

    • Build

      • Buck - Encourages the creation of small, reusable modules consisting of code and resources.
      • Gradle - Incremental builds programmed via Groovy instead of declaring XML. Works well with Maven's dependency management.

    • Bytecode Manipulation

      • bytecode-viewer - Java 8 Jar & Android APK reverse engineering suite. (GPL-3.0-only)
      • cglib - Bytecode generation library.
      • Javassist - Tries to simplify bytecode editing.
      • Mixin - Manipulate bytecode at runtime using real Java code.
      • Perses - Dynamically injects failure/latency at the bytecode level according to principles of chaos engineering.
      • Byteman - Manipulate bytecode at runtime via DSL (rules); mainly for testing/troubleshooting. (LGPL-2.1-or-later)

    • Caching

      • Caffeine - High-performance, near-optimal caching library.

    • CLI

      • ASCII Table - Library to draw tables in ASCII.
      • Airline - Annotation-based framework for parsing Git-like command-line arguments.
      • Jansi - ANSI escape codes to format console output.
      • Java ASCII Render - Graphical primitives for the console.
      • jbock - Typesafe, reflection-free, annotation based command-line parser.
      • JLine - Includes features from modern shells like completion or history.
      • JOpt Simple - Fluent parser that uses the POSIX#getopt and GNU#getopt_long syntaxes.
      • Text-IO - Aids the creation of full console-based applications.
      • Lanterna - Easy console text-GUI library, similar to curses. (LGPL-3.0-only)

    • Code Analysis

      • Checkstyle - Static analysis of coding conventions and standards. (LGPL-2.1-or-later)
      • Error Prone - Catches common programming mistakes as compile-time errors.
      • NullAway - Eliminates NullPointerExceptions with low build-time overhead.
      • PMD - Source code analysis for finding bad coding practices.
      • SonarJava - Static analyzer for SonarQube & SonarLint. (LGPL-3.0-only)
      • Spoon - Library for analyzing and transforming Java source code.
      • Spotbugs - Static analysis of bytecode to find potential bugs. (LGPL-2.1-only)
      • Infer - Modern static analysis tool for verifying the correctness of code.
      • jQAssistant - Static code analysis with Neo4J-based query language. (GPL-3.0-only)

    • Code Coverage

      • Cobertura - Relies on offline (or static) bytecode instrumentation and class loading to collect code coverage metrics. (GPL-2.0-only)
      • Clover - Relies on source-code instrumentation instead of bytecode instrumentation.
      • JaCoCo - Framework that enables collection of code coverage metrics, using both offline and runtime bytecode instrumentation.

    • Code Generators

      • ADT4J - JSR-269 code generator for algebraic data types.
      • Auto - Generates factory, service, and value classes.
      • FreeBuilder - Automatically generates the Builder pattern.
      • JavaPoet - API to generate source files.
      • JHipster - Yeoman source code generator for Spring Boot and AngularJS.
      • Joda-Beans - Small framework that adds queryable properties to Java, enhancing JavaBeans.

    • Compiler-compiler

      • JavaCC - Parser generator that generates top-down parsers. Allows lexical state switching and permits extended BNF specifications.

    • Configuration

      • centraldogma - Highly-available version-controlled service configuration repository based on Git, ZooKeeper and HTTP/2.
      • cfg4j - Modern configuration library for distributed apps written in Java.
      • config - Configuration library supporting Java properties, JSON or its human optimized superset HOCON.
      • dotenv - Twelve-factor configuration library which uses environment-specific files.
      • KAConf - Annotation-based configuration system for Java and Kotlin.
      • owner - Reduces boilerplate of properties.

    • Constraint Satisfaction Problem Solver

      • JaCoP - Includes an interface for the FlatZinc language, enabling it to execute MiniZinc models. (AGPL-3.0)

    • CSV

      • jackson-dataformat-csv - Jackson extension for reading and writing CSV.
      • Super CSV - Powerful CSV parser with support for Dozer, Joda-Time and Java 8.
      • uniVocity-parsers - One of the fastest and most feature-complete parsers. Also comes with parsers for TSV and fixed-width records.

    • Data Structures

      • Big Queue - Fast and persistent queue based on memory-mapped files.
      • HyperMinHash-java - Probabilistic data structure for computing union, intersection, and set cardinality in loglog space.
      • Persistent Collection - Persistent and immutable analogue of the Java Collections Framework.
      • Protobuf - Google's data interchange format.
      • SBE - Simple Binary Encoding, one of the fastest message formats around.
      • Wire - Clean, lightweight protocol buffers.
      • Tape - Lightning-fast, transactional, file-based FIFO.

    • Database

      • AranoDB - ArangoDB Java driver.
      • Chronicle Map - Efficient, in-memory (opt. persisted to disk), off-heap key-value store.
      • eXist - NoSQL document database and application platform. (LGPL-2.1-only)
      • FlexyPool - Brings metrics and failover strategies to the most common connection pooling solutions.
      • HikariCP - High-performance JDBC connection pool.
      • jasync-sql - Async DB driver for MySQL and PostgreSQL.
      • Jest - Client for the Elasticsearch REST API.
      • jetcd - Client library for etcd.
      • Jinq - Typesafe database queries via symbolic execution of Java 8 Lambdas (on top of JPA or jOOQ).
      • Leaf - Distributed ID generate service.
      • MariaDB4j - Launcher for MariaDB that requires no installation or external dependencies.
      • Modality - Lightweight ORM with database reverse engineering features.
      • QueryStream - Build JPA Criteria queries using a Stream-like API.
      • Redisson - Allows for distributed and scalable data structures on top of a Redis server.
      • Speedment - Database access library that utilizes Java 8's Stream API for querying.
      • Debezium - Low latency data streaming platform for change data capture.
      • Realm - Mobile database to run directly inside phones, tablets or wearables.
      • requery - Modern, lightweight but powerful object mapping and SQL generator. Easily map to or create databases, or perform queries and updates from any Java-using platform.
      • Xodus - Highly concurrent transactional schema-less and ACID-compliant embedded database.
      • Jedis - Small client for interaction with Redis, with methods for commands.
      • Querydsl - Typesafe unified queries.
      • Presto - Distributed SQL query engine for big data.

    • Date and Time

      • iCal4j - Parse and build iCalendar [RFC 5545](https://tools.ietf.org/html/rfc5545) data models.
      • ThreeTen-Extra - Additional date-time classes that complement those in JDK 8.
      • Time4J - Advanced date and time library. (LGPL-2.1-only)
      • Almanac Converter - Simple conversion between different calendar systems.

    • Dependency Injection

      • Feather - Ultra-lightweight, JSR-330-compliant dependency injection library.
      • Governator - Extensions and utilities that enhance Google Guice.
      • Guice - Lightweight and opinionated framework that completes Dagger.
      • HK2 - Lightweight and dynamic dependency injection framework.
      • JayWire - Lightweight dependency injection framework. (LGPL-3.0-only)
      • Inversion of Control
      • Dagger - Compile-time injection framework without reflection.

    • Development

      • Faux Pas - Library that simplifies error handling by circumventing the issue that none of the functional interfaces in the Java Runtime is allowed by default to throw checked exceptions.
      • HotswapAgent - Unlimited runtime class and resource redefinition. (GPL-2.0-only)
      • JavaParser - Parse, modify and generate Java code.
      • JavaSymbolSolver - Symbol solver.
      • Manifold - Re-energizes Java with powerful features like type-safe metaprogramming, structural typing and extension methods.
      • SneakyThrow - Ignores checked exceptions without bytecode manipulation. Can also be used inside Java 8 stream operations.
      • Tail - Enable infinite recursion using tail call optimization.

    • Distributed Applications

      • Dropwizard Circuit Breaker - Circuit breaker design pattern for Dropwizard. (GPL-2.0-only)
      • Hazelcast - Highly scalable in-memory datagrid with a free open-source version.
      • Quasar - Lightweight threads and actors for the JVM.
      • Failsafe - Simple failure handling with retries and circuit breakers.

    • Distribution

      • IzPack - Setup authoring tool for cross-platform deployments.
      • jlink.online - Builds optimized runtimes over HTTP.

    • Document Processing

      • documents4j - API for document format conversion using third-party converters such as MS Word.
      • docx4j - Create and manipulate Microsoft Open XML files.

    • Formal Verification

      • Daikon - Detects likely program invariants and generates JML specs based on those invariants.
      • JMLOK 2.0 - Detects inconsistencies between code and JML specification through feedback-directed random tests generation, and suggests a likely cause for each nonconformance detected. (GPL-3.0-only)

    • Functional Programming

      • Functional Java - Implements numerous basic and advanced programming abstractions that assist composition-oriented development.

    • Game Development

      • libGDX - All-round cross-platform, high-level framework.

    • GUI

      • JavaFX - Successor of Swing.
      • Scene Builder - Visual layout tool for JavaFX applications.
      • SWT - Graphical widget toolkit.

    • High Performance

      • HPPC - Primitive collections.
      • Koloboke - Hash sets and hash maps.
      • fastutil - Fast and compact type-specific collections.

    • HTTP Clients

      • restQL-java - Microservice query language that fetches information from multiple services.
      • Retrofit - Typesafe REST client.

    • IDE

      • IntelliJ IDEA ![c - Supports many JVM languages and provides good options for Android development. The commercial edition targets the enterprise sector.
      • Visual Studio Code - Provides Java support for lightweight projects with a simple, modern workflow by using extensions from the internal marketplace.

    • Imagery

      • ZXing - Multi-format 1D/2D barcode image processing library.

    • Introspection

      • Mirror - Mirror was created to bring light to a simple problem, usually named ReflectionUtil, which is on almost all projects that rely on reflection to do advanced tasks.

    • JSON

      • Gson - Serializes objects to JSON and vice versa. Good performance with on-the-fly usage.
      • Jackson - Similar to GSON, but offers performance gains if you need to instantiate the library more often.
      • Moshi - Modern JSON library, less opinionated and uses built-in types like List and Map.
      • Genson - Powerful and easy-to-use Java-to-JSON conversion library.

    • JVM and JDK

      • Corretto - No-cost, multiplatform, production-ready distribution of OpenJDK by Amazon. (GPL-2.0-only WITH Classpath-exception-2.0)
      • Open JDK - Open JDK community home. (GPL-2.0-only WITH Classpath-exception-2.0)
      • ParparVM - VM with non-blocking, concurrent GC for iOS. (GPL-2.0-only WITH Classpath-exception-2.0)
      • RedHat Open JDK - RedHat's OpenJDK distribution. (GPL-2.0-only WITH Classpath-exception-2.0)
      • Adopt Open JDK - Community-driven OpenJDK builds, including both HotSpot and OpenJ9.

    • Logging

      • Kibana - Analyzes and visualizes log files. Some features require payment.
      • Logstash - Tool for managing log files.
      • tinylog - Lightweight logging framework with static logger class.

    • Machine Learning

      • Weka - Collection of algorithms for data mining tasks ranging from pre-processing to visualization. (GPL-3.0-only)

    • Miscellaneous

      • Joda-Money - Basic currency and money classes and algorithms not provided by the JDK.

    • Monitoring

      • LeakCanary - Memory leak detection.
      • SPM ![c - Performance monitor with distributing transaction tracing for JVM apps.
      • inspectIT - Captures detailed run-time information via hooks that can be changed on the fly. It supports tracing over multiple systems via the OpenTracing API and can correlate the data with end user monitoring.

    • Natural Language Processing

      • CoreNLP - Provides a set of fundamental tools for tasks like tagging, named entity recognition, and sentiment analysis. (GPL-3.0-or-later)

    • PaaS

    • PDF

    • Performance analysis

      • JMH - Harness for building, running, and analysing nano/micro/milli/macro benchmarks written in Java and other languages targeting the JVM. (GPL-2.0 only WITH Classpath-exception-2.0)

    • Platform

      • Chain - Chain of Responsibility pattern implementation.
      • Functor - Function that can be manipulated as an object, or an object representing a single, generic function.
      • Logging - Wrapper around a variety of logging API implementations.
      • OGNL - Object-graph navigation language.
      • Proxy - Library for creating dynamic proxies.
      • RDF - Common implementation of RDF 1.1 that could be implemented by systems on the JVM.
      • RNG - Commons Rng provides implementations of pseudo-random numbers generators.
      • Spring - Provides many packages for dependency injection, aspect-oriented programming, security, etc.

    • Reactive libraries

      • RxJava - Allows for composing asynchronous and event-based programs using observable sequences.

    • Security

      • Bouncy Castle - All-purpose cryptographic library and JCA provider offering a wide range of functions, from basic helpers to PGP/SMIME operations.
      • Themis - Multi-platform high-level cryptographic library provides easy-to-use encryption for protecting sensitive data: secure messaging with forward secrecy, secure data storage (AES256GCM); suits for building end-to-end encrypted applications.

    • Testing

      • GreenMail - In-memory email server for integration testing. Supports SMTP, POP3 and IMAP including SSL. (GPL-2.0-only)
      • JUnit - Common testing framework.

    • Utility

      • Guava - Collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and more.
      • JADE - Framework and environment for building and debugging multi-agent systems. (LGPL-2.0-only)
      • JGit - Lightweight, pure Java library implementing the Git version control system.

    • Web Crawling

      • StormCrawler - SDK for building low-latency and scalable web crawlers.

    • REST Frameworks

      • Crnk - Implementation of the JSON API specification to build resource-oriented REST endpoints with sorting, filtering, paging, linking, object graphs, type-safety, bulk updates, integrations and more.
      • Crnk - Implementation of the JSON API specification to build resource-oriented REST endpoints with sorting, filtering, paging, linking, object graphs, type-safety, bulk updates, integrations and more.
      • RESTEasy - Fully certified and portable implementation of the JAX-RS specification.
      • Crnk - Implementation of the JSON API specification to build resource-oriented REST endpoints with sorting, filtering, paging, linking, object graphs, type-safety, bulk updates, integrations and more.
      • Crnk - Implementation of the JSON API specification to build resource-oriented REST endpoints with sorting, filtering, paging, linking, object graphs, type-safety, bulk updates, integrations and more.
      • Crnk - Implementation of the JSON API specification to build resource-oriented REST endpoints with sorting, filtering, paging, linking, object graphs, type-safety, bulk updates, integrations and more.

    • Template Engine

      • Jtwig - Modular, configurable and fully tested template engine.
      • Elasticsearch - Distributed, multitenant-capable, full-text search engine with a RESTful web interface and schema-free JSON documents.

    • Server

      • Jetty - Provides a Web server and javax.servlet container, plus support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations.

  • Resources

  • Contributing

Programming Languages
Java 87 Kotlin 4 HTML 2 C 1 OCaml 1 C++ 1 TypeScript 1
Categories
Projects 176 Resources 49 Contributing 1
Sub Categories
Twitter 31 Database 22 Code Analysis 9 CLI 9 Platform 8 Bean Mapping 8 Development 7 Data Structures 7 Dependency Injection 7 Configuration 6 Code Generators 6 Bytecode Manipulation 6 Websites 6 REST Frameworks 6 Influential Books 5 JVM and JDK 5 Distributed Applications 4 JSON 4 Awesome Lists 4 Date and Time 4 Communities 3 Code Coverage 3 Monitoring 3 PDF 3 CSV 3 Utility 3 Logging 3 GUI 3 High Performance 3 Testing 2 Distribution 2 Formal Verification 2 Document Processing 2 PaaS 2 HTTP Clients 2 IDE 2 Build 2 Security 2 Server 1 Constraint Satisfaction Problem Solver 1 Caching 1 Miscellaneous 1 Compiler-compiler 1 Web Crawling 1 Natural Language Processing 1 Functional Programming 1 Imagery 1 Search 1 Performance analysis 1 Introspection 1 Reactive libraries 1 Template Engine 1 Game Development 1 Machine Learning 1 Podcasts and Screencasts 1
Keywords
java 45 static-analysis 9 android 8 static-code-analysis 6 database 4 code-analysis 4 awesome 3 code-quality 3 code-generator 3 jdbc 3 orm 2 code-generation 2 persistence 2 ast 2 golang 2 abstract-syntax-tree 2 distributed 2 configuration 2 list 2 rxjava 2 kotlin 2 redis 2 redis-client 2 redis-cluster 2 objective-c 2 swift 2 mapping 2 monitoring 2 mapper 2 xml 2 parser 2 metaprogramming 2 connection-pool 2 ios 2 python 2 nosql 2 spring-boot 2 bytecode 2 exception-handling 2 sql 2 annotations 2 linter 2 vcs 1 version-control 1 zookeeper 1 generator 1 docker 1 configuration-library 1 jhipster 1 service-configuration 1