Ecosyste.ms: Awesome
An open API service indexing awesome lists of open source software.
awesome-java
https://github.com/wuzhl2018/awesome-java
Last synced: 2 days ago
JSON representation
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Projects
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JVM and JDK
- Adopt Open JDK - Community-driven OpenJDK builds, including both HotSpot and OpenJ9.
- 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)
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Code Analysis
- Infer - Modern static analysis tool for verifying the correctness of code.
- 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)
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Code Coverage
- 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.
- Cobertura - Relies on offline (or static) bytecode instrumentation and class loading to collect code coverage metrics. (GPL-2.0-only)
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Code Generators
- Joda-Beans - Small framework that adds queryable properties to Java, enhancing JavaBeans.
- Telosys - Simple and light code generator available as an Eclipse Plugin and also as a CLI.
- 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.
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Data Structures
- Tape - Lightning-fast, transactional, file-based FIFO.
- 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.
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Database
- 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.
- 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.
- 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.
- Xodus - Highly concurrent transactional schema-less and ACID-compliant embedded database.
- Presto - Distributed SQL query engine for big data.
- Querydsl - Typesafe unified queries.
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Date and Time
- Almanac Converter - Simple conversion between different calendar systems.
- 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)
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Dependency Injection
- Inversion of Control
- Dagger - Compile-time injection framework without reflection.
- 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)
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Distributed Applications
- Quasar - Lightweight threads and actors for the JVM.
- 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.
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Distribution
- jlink.online - Builds optimized runtimes over HTTP.
- IzPack - Setup authoring tool for cross-platform deployments.
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Document Processing
- documents4j - API for document format conversion using third-party converters such as MS Word.
- docx4j - Create and manipulate Microsoft Open XML files.
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Formal Verification
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Functional Programming
- Functional Java - Implements numerous basic and advanced programming abstractions that assist composition-oriented development.
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Game Development
- libGDX - All-round cross-platform, high-level framework.
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GUI
- JavaFX - Successor of Swing.
- Scene Builder - Visual layout tool for JavaFX applications.
- SWT - Graphical widget toolkit.
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High Performance
- HPPC - Primitive collections.
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HTTP Clients
- Apache HttpComponents - A toolset of low level Java components focused on HTTP and associated protocols.
- restQL-java - Microservice query language that fetches information from multiple services.
- Retrofit - Typesafe REST client.
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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.
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Imagery
- ZXing - Multi-format 1D/2D barcode image processing library.
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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.
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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.
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Logging
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Machine Learning
- Weka - Collection of algorithms for data mining tasks ranging from pre-processing to visualization. (GPL-3.0-only)
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Miscellaneous
- Joda-Money - Basic currency and money classes and algorithms not provided by the JDK.
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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)
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PaaS
- AWS Elastic Beanstalk ![c - AWS-based, with support for Tomcat and Jetty.
- AWS Lambda ![c - Serverless computation.
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PDF
- Apache FOP - Creates PDFs from XSL-FO.
- iText ![c - Creates PDF files programmatically.
- Dynamic Jasper - Abstraction layer to JasperReports. (LGPL-3.0-only)
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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)
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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.
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Reactive libraries
- RxJava - Allows for composing asynchronous and event-based programs using observable sequences.
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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.
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Testing
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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.
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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.
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Build
- Buck - Encourages the creation of small, reusable modules consisting of code and resources.
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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)
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Caching
- Caffeine - High-performance, near-optimal caching library.
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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.
- 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)
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Compiler-compiler
- JavaCC - Parser generator that generates top-down parsers. Allows lexical state switching and permits extended BNF specifications.
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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.
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Constraint Satisfaction Problem Solver
- JaCoP - Includes an interface for the FlatZinc language, enabling it to execute MiniZinc models. (AGPL-3.0)
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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.
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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.
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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.
- 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.
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Web Frameworks
- Apache Tapestry - Component-oriented framework for creating dynamic, robust, highly scalable web applications.
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Contributing
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Websites
- CONTRIBUTING - java-lint).
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Resources
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Awesome Lists
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Communities
- r/java - Subreddit for the Java community.
- Stack Overflow - Question/answer platform.
- VirtualJUG - Virtual Java User Group.
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Influential Books
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Podcasts and Screencasts
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Twitter
- Brian Goetz - Java Language Architect at Oracle.
- Bruno Borges - Product Manager/Java Jock at Oracle.
- Chris Richardson - Software architect, consultant, and serial entrepreneur, Java Champion, JavaOne Rock Star, \*POJOs in Action- author.
- Ed Burns - Consulting Member of the Technical Staff at Oracle.
- Eugen Paraschiv - Author of the Spring Security Course.
- Heinz Kabutz - Java Champion, speaker, author of The Java Specialists' Newsletter, concurrency performance expert.
- Holly Cummins - Technical Lead of IBM London's Bluemix Garage, Java Champion, developer, author, JavaOne rockstar.
- James Weaver - Java/JavaFX/IoT developer, author and speaker.
- Java Magazine - Official Java Magazine account.
- Javin Paul - Well-known Java blogger.
- Josh Long - Spring Advocate at Pivotal, author of O'Reilly's Cloud Native Java- and Building Microservices with Spring Boot, JavaOne Rock Star.
- Lukas Eder - Java Champion, speaker, JUG.ch co-leader, Founder and CEO Data Geekery (jOOQ).
- Mario Fusco - RedHatter, JUG coordinator, frequent speaker and author.
- Mark Heckler - Pivotal Principal Technologist and Developer Advocate, conference speaker, published author, and Java Champion, focusing on Internet of Things and the cloud.
- Mark Reinhold - Chief Architect, Java Platform Group, Oracle.
- Markus Eisele - Java EE evangelist, Red Hat.
- Martijn Verburg - London JUG co-leader, speaker, author, Java Champion and much more.
- Martin Thompson - Pasty faced performance gangster.
- Monica Beckwith - Performance consultant, JavaOne Rock Star.
- OpenJDK - Official OpenJDK account.
- Peter Lawrey - Peter Lawrey, Java performance expert.
- Randy Shoup - Stitch Fix VP Engineering, speaker, JavaOne Rock Star.
- Reza Rahman - Java EE/GlassFish/WebLogic evangelist, author, speaker, open source hacker.
- Sander Mak - Java Champion, author.
- Simon Maple - Java Champion, VirtualJUG founder, LJC leader, RebelLabs author.
- Spencer Gibb - Software Engineer, Dad, Geek, Co-founder and Lead of Spring Cloud Core @pivotal.
- Stephen Colebourne - Java Champion, speaker.
- Trisha Gee - Java Champion and speaker.
- Venkat Subramaniam - Author, University of Houston professor, MicroSoft MVP award recipient, JavaOne Rock Star, Java Champion.
- Vlad Mihalcea - Java Champion working on Hypersistence Optimizer, database aficionado, author of High-Performance Java Persistence book.
- Aleksey Shipilëv - Performance geek, benchmarking czar, concurrency bug hunter.
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Websites
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Categories
Sub Categories
Twitter
31
Database
20
Platform
8
Code Analysis
8
Bean Mapping
8
CLI
8
Development
7
Dependency Injection
7
Data Structures
7
Code Generators
7
Bytecode Manipulation
6
Configuration
5
JVM and JDK
5
Influential Books
5
REST Frameworks
5
Awesome Lists
4
Websites
4
JSON
4
Date and Time
4
Communities
3
Testing
3
Code Coverage
3
PDF
3
CSV
3
Utility
3
Logging
3
Distributed Applications
3
HTTP Clients
3
GUI
3
Security
2
IDE
2
Formal Verification
2
Distribution
2
Document Processing
2
PaaS
2
Constraint Satisfaction Problem Solver
1
Caching
1
Miscellaneous
1
Natural Language Processing
1
Imagery
1
Performance analysis
1
Introspection
1
Functional Programming
1
Game Development
1
Build
1
High Performance
1
Podcasts and Screencasts
1
Web Frameworks
1
Reactive libraries
1
Compiler-compiler
1
Machine Learning
1
Keywords
java
44
static-analysis
9
android
7
static-code-analysis
6
database
5
code-analysis
4
code-generator
3
nosql
3
awesome
3
code-quality
3
connection-pool
2
code-generation
2
ast
2
abstract-syntax-tree
2
xml
2
exception-handling
2
spring
2
golang
2
ios
2
mapping
2
mapper
2
python
2
linter
2
bytecode
2
annotations
2
swift
2
orm
2
objective-c
2
spring-boot
2
jdbc
2
kotlin
2
distributed
2
persistence
2
rxjava
2
monitoring
2
parser
2
metaprogramming
2
json
2
war
1
ascii
1
jvm
1
chaos-engineering
1
dex2jar
1
trait
1
processor
1
smali
1
fernflower
1
mixins
1
recompiler
1
java-decompiler
1