☕ Awesome Java

Projects 661–720 of 758, most starred first

• verhas/jamal on GitHub, opens in a new tab

  69stars

  ★ 69 Apache-2.0 🔴Extendable template engine embedded into Maven/JavaDoc, supporting multiple extensions (Groovy, Ruby, JavaScript, JShell, PlantUml) with support for snippet handling.

  Java·Apache License 2.0·slowing·last year

• beanio/beanio on GitHub, opens in a new tab

  69stars

  ★ 69 Apache-2.0 🔴Maps flat files of fixed-length or delimited records to and from Java beans using XML or annotation configuration.

  Java·Apache License 2.0·slowing·2 years ago

• apache/commons-scxml on GitHub, opens in a new tab

  68stars

  ★ 68 Apache-2.0 🟢Implementation of the State Chart XML specification aimed at creating and maintaining a Java SCXML engine.

  Java·Apache License 2.0·active·2 weeks ago

• astrapi69/jgeohash on GitHub, opens in a new tab

  67stars

  ★ 67 Apache-2.0 🔴Library for using the GeoHash algorithm.

  Java·Apache License 2.0·dormant·5 years ago

• apache/commons-rng on GitHub, opens in a new tab

  66stars

  ★ 66 Apache-2.0 🟢Commons Rng provides implementations of pseudo-random numbers generators.

  Java·Apache License 2.0·active·2 weeks ago

• Appendium/flatpack on GitHub, opens in a new tab

  64stars

  ★ 64 Apache-2.0 🟠Parses and writes delimited and fixed-length flat files with optional column-mapping definitions.

  Java·Apache License 2.0·steady·6 months ago

• mariomac/kaconf on GitHub, opens in a new tab

  63stars

  ★ 63 Apache-2.0 🔴Annotation-based configuration system for Java and Kotlin.

  Java·Apache License 2.0·dormant·4 years ago

• apache/commons-digester on GitHub, opens in a new tab

  62stars

  ★ 62 Apache-2.0 🟢XML-to-Java-object mapping utility.

  Java·Apache License 2.0·active·2 weeks ago

• alexdlaird/java-ngrok on GitHub, opens in a new tab

  60stars

  ★ 60 MIT 🟢Java wrapper for ngrok; programmatic tunnels for ingress, webhooks, demos, and APIs.

  Java·MIT License·active·6 hours ago

• tersesystems/echopraxia on GitHub, opens in a new tab

  59stars

  ★ 59 🔴API designed around structured logging, rich context, and conditional logging. There are Logback and Log4J2 implementations, but Echopraxia's API is completely dependency-free, meaning it can be implemented with any logging API.

  Java·Other·slowing·last year

• apache/commons-rdf on GitHub, opens in a new tab

  58stars

  ★ 58 Apache-2.0 🟢Common implementation of RDF 1.1 that could be implemented by systems on the JVM.

  Java·Apache License 2.0·active·2 weeks ago

• MathieuSoysal/Javadoc-publisher.yml on GitHub, opens in a new tab

  57stars

  ★ 57 Apache-2.0 🟠Generate Javadoc from your maven/gradle project and deploy it automatically on GitHub Page.

  Java·Apache License 2.0·steady·8 months ago

• marianobarrios/dregex on GitHub, opens in a new tab

  55stars

  ★ 55 BSD-2-Clause 🟠Regular expression engine that uses deterministic finite automata. It supports some Perl-style features and yet retains linear matching time, and also offers set operations.

  Java·BSD 2-Clause "Simplified" License·steady·4 months ago

• jeyben/fixedformat4j on GitHub, opens in a new tab

  52stars

  ★ 52 Apache-2.0 🟢Annotation-driven mapping of fixed-width flat files to and from POJOs and Java records.

  Java·Apache License 2.0·active·2 days ago

• shyiko/dotenv on GitHub, opens in a new tab

  51stars

  ★ 51 🔴Twelve-factor configuration library which uses environment-specific files.

  Java·dormant·9 years ago

• AdoptOpenJDK/jlink.online on GitHub, opens in a new tab

  51stars

  ★ 51 Apache-2.0 🟢Builds optimized runtimes over HTTP.

  Go·Apache License 2.0·active·last month

• dokimos-dev/dokimos on GitHub, opens in a new tab

  50stars

  ★ 50 MIT 🟢Evaluation framework for LLM and AI-agent applications that scores responses, validates tool calls and execution traces, and catches quality regressions in CI.

  Java·MIT License·active·2 days ago

• j8spec/j8spec on GitHub, opens in a new tab

  49stars

  ★ 49 MIT 🔴Follows a Jasmine-like syntax.

  Java·MIT License·dormant·4 years ago

• tersesystems/securitybuilder on GitHub, opens in a new tab

  49stars

  ★ 49 Apache-2.0 🔴Fluent Builder API for JCA and JSSE classes and especially X.509 certificates.

  Java·Apache License 2.0·dormant·5 years ago

• cleopatra27/chocotea on GitHub, opens in a new tab

  48stars

  ★ 48 Apache-2.0 🔴Generates postman collection, environment and integration tests from java code.

  Java·Apache License 2.0·dormant·4 years ago

• joel-jeremy/externalized-properties on GitHub, opens in a new tab

  47stars

  ★ 47 Apache-2.0 🟠Simple, lightweight, yet powerful configuration library which supports resolution of properties from external sources such as files, databases, git repositories, and any custom sources, plus an extensible post-processing/conversion mechanism.

  Java·Apache License 2.0·steady·5 months ago

• mtakaki/dropwizard-circuitbreaker on GitHub, opens in a new tab

  46stars

  ★ 46 GPL-2.0 🟠Circuit breaker design pattern for Dropwizard.

  Java·GNU General Public License v2.0·steady·7 months ago

• reportmill/SnapCode on GitHub, opens in a new tab

  45stars

  ★ 44 🟢Modern IDE for Java running in the browser, focused on education.

  Java·Other·active·7 days ago

• apache/commons-graph on GitHub, opens in a new tab

  44stars

  ★ 44 Apache-2.0 🟢General purpose graph APIs and algorithms.

  Java·Apache License 2.0·active·2 weeks ago

• wickra-lib/wickra on GitHub, opens in a new tab

  44stars

  ★ 43 Apache-2.0 🟢Technical-analysis library with 514 streaming O(1)-per-tick indicators on a native Rust core, on Maven Central as org.wickra:wickra; more indicators and incremental updates than the pure-Java ta4j.

  Rust·Apache License 2.0·active·6 days ago

• apache/commons-jxpath on GitHub, opens in a new tab

  43stars

  ★ 43 Apache-2.0 🟢Utilities for manipulating Java Beans using the XPath syntax.

  Java·Apache License 2.0·active·2 weeks ago

• vorburger/ch.vorburger.exec on GitHub, opens in a new tab

  41stars

  ★ 41 Apache-2.0 🟢Convenient API around Apache Commons Exec.

  Java·Apache License 2.0·active·2 weeks ago

• gw-kit/delta-coverage-plugin on GitHub, opens in a new tab

  41stars

  ★ 41 MIT 🟢Computes code coverage of new and modified code based on a provided diff, supporting JaCoCo and IntelliJ coverage engines.

  Kotlin·MIT License·active·18 hours ago

• tdilber/spring-data-dynamic-query on GitHub, opens in a new tab

  40stars

  ★ 40 Apache-2.0 🟠Unified dynamic query interface for Spring Data JPA, MongoDB, and Elasticsearch, enabling advanced JOIN(s), OR logic, scoped conditions, powerful projections and advanced features with zero boilerplate.

  Java·Apache License 2.0·steady·9 months ago

• jbehave/jbehave-core on GitHub, opens in a new tab

  39stars

  ★ 39 BSD-3-Clause 🟠Extensively configurable framework that describes stories.

  Java·BSD 3-Clause "New" or "Revised" License·steady·5 months ago

• PicnicSupermarket/error-prone-support on GitHub, opens in a new tab

  38stars

  ★ 38 MIT 🟢Error Prone extensions: extra bug checkers and a large battery of Refaster templates.

  Java·MIT License·active·3 days ago

• mzivkovicdev/spring-crud-generator on GitHub, opens in a new tab

  38stars

  ★ 38 Apache-2.0 🟢Maven plugin for generating Spring Boot CRUD applications from YAML/JSON specifications.

  Java·Apache License 2.0·active·2 days ago

• slub/urnlib on GitHub, opens in a new tab

  36stars

  ★ 36 GPL-3.0 🟠Represent, parse and encode URNs, as in RFC 2141.

  Java·GNU General Public License v3.0·steady·8 months ago

• Hakky54/console-captor on GitHub, opens in a new tab

  35stars

  ★ 35 Apache-2.0 🟢Captures console output for unit testing purposes.

  Java·Apache License 2.0·active·3 weeks ago

• vorburger/ch.vorburger.fswatch on GitHub, opens in a new tab

  34stars

  ★ 34 Apache-2.0 🟢Micro library to watch for directory file system changes, simplifying java.nio.file.WatchService.

  Java·Apache License 2.0·active·2 months ago

• apache/commons-bsf on GitHub, opens in a new tab

  32stars

  ★ 32 Apache-2.0 🟢Bean Scripting Framework - interface to scripting languages, including JSR-223.

  Java·Apache License 2.0·active·2 weeks ago

• guhilling/cdi-test on GitHub, opens in a new tab

  31stars

  ★ 31 Apache-2.0 🟢JUnit extension for easy and efficient testing of CDI components.

  Java·Apache License 2.0·active·last week

• nrktkt/tail on GitHub, opens in a new tab

  31stars

  ★ 31 Unlicense 🔴Enable infinite recursion using tail call optimization.

  Java·The Unlicense·dormant·3 years ago

• apache/commons-weaver on GitHub, opens in a new tab

  29stars

  ★ 29 Apache-2.0 🟢Provides an easy way to enhance (weave) compiled bytecode.

  Java·Apache License 2.0·active·2 weeks ago

• jhspetersson/packrat on GitHub, opens in a new tab

  29stars

  ★ 29 Apache-2.0 🟢Gatherers library for Java Stream API. Gatherers can enhance streams with custom intermediate operations.

  Java·Apache License 2.0·active·last month

• lemon-ant/JHarmonizer on GitHub, opens in a new tab

  28stars

  ★ 28 🟢Safely reorders Java source code with configurable rules and Palantir Java Format.

  Java·active·3 months ago

• apache/commons-jelly on GitHub, opens in a new tab

  26stars

  ★ 26 Apache-2.0 🟢XML based scripting and processing engine.

  Java·Apache License 2.0·active·last week

• blackdoor/hate on GitHub, opens in a new tab

  26stars

  ★ 26 MIT 🔴Builds hypermedia-friendly objects according to HAL specification.

  Java·MIT License·slowing·3 years ago

• Kartikvk1996/RR4J on GitHub, opens in a new tab

  26stars

  ★ 26 GPL-3.0 🔴RR4J is a tool that records java bytecode execution and later allows developers to replay locally.

  C++·GNU General Public License v3.0·dormant·4 years ago

• gurkenlabs/input4j on GitHub, opens in a new tab

  26stars

  ★ 26 MIT 🟢Lightweight, cross-platform library for gamepad and joystick input handling.

  Java·MIT License·active·7 days ago

• sematext/sematext-agent-java on GitHub, opens in a new tab

  25stars

  ★ 25 Apache-2.0 🟢Performance monitor with distributing transaction tracing for JVM apps.

  Java·Apache License 2.0·active·3 days ago

• evpl/jkscope on GitHub, opens in a new tab

  24stars

  ★ 24 Apache-2.0 🔴Java scope functions inspired by Kotlin.

  Java·Apache License 2.0·slowing·2 years ago

• explyt/explyt on GitHub, opens in a new tab

  24stars

  ★ 24 🟢AI coding agent for JetBrains IDEs that uses IDE indexes, refactorings, test runners, static analysis and debugging for Java and Kotlin projects.

  active·5 days ago

• anahata-os/anahata-asi on GitHub, opens in a new tab

  23stars

  ★ 23 Apache-2.0 🟢Java agent container with local LLM adapters, stateful tool execution, context management and IDE integration.

  Java·Apache License 2.0·active·yesterday

• hissain/jscipy on GitHub, opens in a new tab

  23stars

  ★ 23 MIT 🟢jSciPy is a Java library designed for scientific computing, offering functionalities inspired by popular scientific computing libraries. It currently provides modules for signal processing, including Butterworth filters, peak finding algorithms, and an RK4 solver for ordinary differential equations.

  Java·MIT License·active·2 months ago

• scndry/jackson-dataformat-spreadsheet on GitHub, opens in a new tab

  23stars

  ★ 23 Apache-2.0 🟢Jackson dataformat module for reading and writing Excel (XLSX/XLS) as POJOs via ObjectMapper.

  Java·Apache License 2.0·active·2 weeks ago

• apache/commons-jci on GitHub, opens in a new tab

  22stars

  ★ 22 Apache-2.0 🟢Java Compiler Interface.

  Java·Apache License 2.0·active·2 weeks ago

• kensa-dev/kensa on GitHub, opens in a new tab

  22stars

  ★ 22 Apache-2.0 🟢Code-first BDD framework for Java and Kotlin that generates interactive HTML reports and sequence diagrams from test code.

  Kotlin·Apache License 2.0·active·20 hours ago

• querystream/querystream on GitHub, opens in a new tab

  22stars

  ★ 22 Apache-2.0 🔴Build JPA Criteria queries using a Stream-like API.

  HTML·Apache License 2.0·slowing·last year

• CiscoSE/commons-networking on GitHub, opens in a new tab

  22stars

  ★ 22 Apache-2.0 🔴Client for server-sent events (SSE).

  Java·Apache License 2.0·dormant·5 years ago

• stebz/stebz on GitHub, opens in a new tab

  21stars

  ★ 21 MIT 🟢Multi-approach framework for test steps managing.

  Java·MIT License·active·2 weeks ago

• jamjet-labs/jamjet on GitHub, opens in a new tab

  20stars

  ★ 20 Apache-2.0 🟢Agent runtime with a Java SDK for building AI agents, supporting graph-based workflow orchestration, multi-agent coordination, and MCP/A2A protocols.

  Rust·Apache License 2.0·active·2 weeks ago

• akardapolov/dimension-di on GitHub, opens in a new tab

  19stars

  ★ 19 Apache-2.0 🟢JSR-330 runtime dependency injection using the JDK Class-File API.

  Java·Apache License 2.0·active·3 months ago

• openviglet/turing-ce on GitHub, opens in a new tab

  18stars

  ★ 18 Apache-2.0 🟢Self-hosted enterprise search platform with faceted, semantic and hybrid search, RAG, AI agents and pluggable Solr, Elasticsearch or Lucene backends.

  Java·Apache License 2.0·active·11 hours ago

• MSaifAsif/cqengine-next on GitHub, opens in a new tab

  18stars

  ★ 18 Apache-2.0 🟢Provides indexed, SQL-like queries over Java collections.

  Java·Apache License 2.0·active·2 weeks ago