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  • 1
    Agent Development Kit (ADK) for Java

    Agent Development Kit (ADK) for Java

    An open-source, code-first Java toolkit

    ...It provides abstractions and tools that allow developers to create agents capable of executing complex workflows, calling tools, and interacting with external services. ADK is designed to be flexible and modular so that developers can build simple automation agents or large distributed agent systems depending on their needs. While it integrates well with Google’s AI ecosystem, the framework is designed to remain model-agnostic and compatible with different machine learning platforms.
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  • 2
    AWS SDK for Java

    AWS SDK for Java

    The official AWS SDK for Java 1.x (In Maintenance Mode

    The AWS SDK for Java v1 is the long-standing, feature-complete toolkit for calling AWS services from Java applications. It provides service clients for nearly the entire AWS surface area, handling request signing, retries, pagination, and error translation so you can focus on business logic. The SDK offers both synchronous and asynchronous clients and integrates with popular HTTP stacks, credential providers, and logging frameworks. Its data models map directly to service APIs, making it straightforward to construct requests and parse responses. Extensive configuration options let you tune connection pools, timeouts, retry policies, and regional behavior for production workloads. ...
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  • 3
    DataHub

    DataHub

    The Metadata Platform for your Data and AI Stack

    DataHub is an open source metadata platform that helps organizations discover, understand, and trust their data assets at scale. It models data as a richly connected graph spanning datasets, dashboards, pipelines, ML features, and services, so users can explore relationships like lineage and ownership across tools and domains. The platform focuses on continuous metadata ingestion from many sources, treating metadata as a stream that stays fresh as systems change. A modern web UI and search layer make it easy for analysts, engineers, and stewards to find assets, read documentation, and see context such as usage, schema history, and downstream impacts. ...
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  • 4
    RE2/J

    RE2/J

    linear time regular expression matching in Java

    RE2/J is a high-performance regular expression engine implemented in pure Java as a port of Google’s C++ RE2 library. Unlike traditional regex engines such as Java’s java.util.regex, PCRE, or Perl’s implementation—which rely on backtracking and can suffer from catastrophic exponential runtimes—RE2/J guarantees linear-time matching relative to input size. It achieves this efficiency by simulating all possible matches in a single pass using a nondeterministic finite automaton (NFA), ensuring predictable and safe performance even with complex patterns. This makes RE2/J ideal for applications that must handle user-supplied regular expressions securely without the risk of denial-of-service through regex backtracking. ...
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  • 5
    OSS-Fuzz

    OSS-Fuzz

    OSS-Fuzz - continuous fuzzing for open source software

    OSS-Fuzz is a large-scale fuzz testing platform developed by Google to improve the security and reliability of widely used open source software. Fuzz testing is a proven method for uncovering programming errors such as buffer overflows and memory leaks, which can lead to severe security vulnerabilities. By leveraging guided in-process fuzzing, Google has already identified thousands of issues in projects like Chrome, and this initiative extends the same capabilities to the broader open source community. OSS-Fuzz integrates modern fuzzing engines with sanitizers and runs them at scale in a distributed environment, providing automated testing and continuous monitoring. ...
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  • 6
    LaTeX Examples

    LaTeX Examples

    Examples for the usage of LaTeX

    ...The project is useful both for beginners who want to see working LaTeX samples and for more advanced users seeking snippets for specific formatting needs (e.g., customizing headers, floats, customizing theorem environments). Because examples are self-contained and well-commented, users can copy, adapt, or test them without needing a large TeX toolchain.
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  • 7
    Agents-Flex

    Agents-Flex

    Agents-Flex is an elegant LLM Application Framework like LangChain

    ...Its simple and flexible design allows developers to easily connect to various LLMs, including OpenAI, LLama, and other AI. Agents-Flex provides a rich set of development templates and Prompt Frameworks, including FEW-SHOT, CRISPE, BROKE, and ICIO. Developers can also customize their own unique prompt templates. Agents-Flex has a very flexible Function Calling component. It supports local method definitions, parsing, callbacks through LLMs, and executing local methods to obtain results. Agents-Flex offers Loader, Parser, and Splitter components for the Document. Each component has multiple implementations, making it easy to load data from the web, local files, databases, and various data types.
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  • 8
    Chronicle Wire

    Chronicle Wire

    Low Garbage Java Serialisation Library that supports multiple formats

    ...Configuration includes aliased type information. This supports easy extension by adding new classes/versions, and cross-platform using type aliasing. By supporting types, a configuration file can bootstrap itself. You control how the configuration file is decoded. See example Queue Enterprise config. To send the configuration of a server to a client, or from a client to a server. Chronicle Wire supports a separation of describing what data you want to store and retrieve, and how it should be rendered/parsed. Chronicle Wire handles a variety of formatting options, for a wide range of formats.
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  • 9
    Armeria

    Armeria

    Your go-to microservice framework for any situation

    Build a reactive microservice at your pace, not theirs. Armeria is your go-to microservice framework for any situation. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard. Let's embrace the reality, we almost always have to deal with more than one protocol. It was once Thrift, today it's gRPC, and REST never gets old. At the same time, you sometimes have to handle health check requests from a load balancer or even serve some static files. ...
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  • 10
    Tribuo

    Tribuo

    Tribuo - A Java machine learning library

    Tribuo* is a machine learning library written in Java. It provides tools for classification, regression, clustering, model development, and more. It provides a unified interface to many popular third-party ML libraries like xgboost and liblinear. With interfaces to native code, Tribuo also makes it possible to deploy models trained by Python libraries (e.g. scikit-learn, and pytorch) in a Java program. Tribuo is licensed under Apache 2.0. Remove the uncertainty around exactly which artifacts...
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  • 11
    jdbi

    jdbi

    jdbi is designed to provide convenient tabular data access in Java

    ...Jdbi 3 is the third major release which introduces enhanced support for Java 8, countless refinements to the design and implementation, and enhanced support for modular plugins. Jdbi is built on top of JDBC. If your database has a JDBC driver, you can use Jdbi with it. Jdbi improves JDBC’s rough interface, providing a more natural Java database interface that is easy to bind to your domain data types. Unlike an ORM, we do not aim to provide a complete object-relational mapping framework - instead of that hidden complexity, we provide building blocks that allow you to construct the mapping between relations and objects as appropriate for your application. ...
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  • 12
    Amazon Neptune Gremlin Java Sigv4

    Amazon Neptune Gremlin Java Sigv4

    A Gremlin client for Amazon Neptune that includes AWS Signature

    ...Note that a minor version (y in 2.x.y) is bumped whenever a new version of Apache TinkerPop is added as a dependency or a major feature is introduced. All minor versions in 2.x series are backward compatible. This package can also be used to enable Gremlin Console to send signed requests to Neptune, refer to Connecting to Neptune Using the Gremlin Console with Signature Version 4 Signing.
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  • 13
    AWS Secrets Manager Java caching client

    AWS Secrets Manager Java caching client

    Enables in-process caching of secrets for Java applications

    The AWS Secrets Manager Java caching client enables in-process caching of secrets for Java applications. To use this client you must have a Java 8 development environment. If you do not have one, go to Java SE Downloads on the Oracle website, then download and install the Java SE Development Kit (JDK). Java 8 or higher is recommended. An Amazon Web Services (AWS) account to access secrets stored in AWS Secrets Manager and use AWS SDK for Java. To create an AWS account, go to Sign In or...
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  • 14
    AWS X-Ray SDK for Java

    AWS X-Ray SDK for Java

    The official AWS X-Ray Recorder SDK for Java

    ...Generating subsegments around these hot spots will help in understanding their impact on application performance. There are a few different styles available for tracing custom methods.You can automatically inject your current Trace ID into logging statements if you use the Log4J or SLF4J logging frontends.
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  • 15
    HTTP Kit

    HTTP Kit

    Clojure HTTP server/client library with WebSocket support

    http-kit is a minimalist, event-driven, high-performance Clojure HTTP server/client library with WebSocket and asynchronous support. A simple, high-performance event-driven HTTP client+server for Clojure. HTTP Kit is an (almost) drop-in replacement for the standard Ring Jetty adapter. So you can use it with all your current libraries (e.g. Compojure) and middleware. Using an event-driven architecture like Nginx, HTTP-kit is very, very fast. It comfortably handles tens of thousands of requests/sec on even midrange hardware. Here is another test about how it stacks up with others. It's not only fast, but efficient! Each connection costs nothing but a few kB of memory. ...
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  • 16
    Android 3D Model Viewer

    Android 3D Model Viewer

    Android OpenGL 2.0 application to view 3D models

    This is a demo of OpenGL ES 2.0. It is basically an Android application with a 3D engine that can load Wavefront OBJ, STL & DAE files. The purpose of this application is to learn and share how to draw using OpenGL language. The application does not use any third-party library. Load 3D models and see how to do it with this open-source code application. The main purpose of this app is to show how to draw in Android using the OpenGL 2.0 by sharing the source code.
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  • 17
    Serverless Java container

    Serverless Java container

    A Java wrapper to run Spring, Spring Boot, Jersey, and other apps

    ...It bridges the gap between traditional servlet or web-framework models and serverless functions by mapping HTTP events from API Gateway into requests your framework understands and routing responses back appropriately. This means you can keep much of your familiar Java-based architecture (controllers, filters, dependency injection) and deploy it in a serverless environment without rewriting everything from scratch. The project supports multiple framework flavors and versions, provides archetypes (Maven/Gradle) to scaffold applications, and maintains separate branches for legacy (Java EE/1.x) and modern (Jakarta EE/2.x+) ecosystems.
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  • 18
    jCasbin

    jCasbin

    An authorization library that supports access control models

    ...In Casbin, an access control model is abstracted into a CONF file based on the PERM metamodel (Policy, Effect, Request, Matchers). So switching or upgrading the authorization mechanism for a project is just as simple as modifying a configuration. Besides memory and file, Casbin policy can be stored into lots of places. Currently, dozens of databases are supported, from MySQL, Postgres, Oracle to MongoDB, Redis, Cassandra, AWS S3. jCasbin is a powerful and efficient open-source access control library for Java projects. It provides support for enforcing authorization based on various access control models.
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  • 19
    Brave

    Brave

    Java distributed tracing implementation compatible with Zipkin backend

    Brave is a distributed tracing instrumentation library. Brave typically intercepts production requests to gather timing data, correlate and propagate trace contexts. While typically trace data is sent to Zipkin server, third-party plugins are available to send to alternate services such as Amazon X-Ray. This repository includes dependency-free Java libraries and instrumentation for common components used in production services. For example, this includes trace filters for Servlet and log...
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  • 20
    syncthing-android

    syncthing-android

    Wrapper of syncthing for Android

    ...The encryption used includes perfect forward secrecy to prevent any eavesdropper from ever gaining access to your data. Every device is identified by a strong cryptographic certificate. Only devices you have explicitly allowed can connect to your other devices.
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  • 21
    Framework Benchmarks

    Framework Benchmarks

    Source for the TechEmpower Framework Benchmarks project

    If you're new to the project, welcome! Please feel free to ask questions here. We encourage new frameworks and contributors to ask questions. We're here to help! This project provides representative performance measures across a wide field of web application frameworks. With much help from the community, coverage is quite broad and we are happy to broaden it further with contributions. The project presently includes frameworks on many languages including Go, Python, Java, Ruby, PHP, C#,...
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  • 22
    Apache Sedona

    Apache Sedona

    Cluster computing framework for processing large-scale geospatial data

    ...According to our benchmark and third-party research papers, Sedona has 50% less peak memory consumption than other Spark-based geospatial data systems for large-scale in-memory query processing. Sedona offers Scala, Java, Spatial SQL, Python, and R APIs and integrates them into underlying system kernels with care. You can simply create spatial analytics and data mining applications and run them in any cloud environments.
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  • 23
    Swagger Core

    Swagger Core

    Examples, server integrations for generating Swagger API Specification

    ...One of the common usage scenarios is to integrate swagger-jaxrs2 into an existing or new JAX-RS based project ("code-first"), to automatically provide and expose its APIs definition, which is kept in sync during the project lifecycle. Such definition can be the base for further processing/consumption, including API documentation (e.g with swagger-ui, API client generation in various languages (e.g with swagger-codegen), custom processing, and so on. Such result is achieved by scanning JAX-RS resources and resolving their operations and used types, (also) processing applied annotations (e.g. ...
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  • 24
    Epoxy

    Epoxy

    Android library for building complex screens in a RecyclerView

    Epoxy is an Android library for building complex screens in a RecyclerView. Models are automatically generated from custom views or databinding layouts via annotation processing. These models are then used in an EpoxyController to declare what items to show in the RecyclerView. This abstracts the boilerplate of view holders, diffing items and binding payload changes, item types, item ids, span counts, and more, in order to simplify building screens with multiple view types. Additionally,...
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  • 25
    AWS X-Ray Java Agent

    AWS X-Ray Java Agent

    The official AWS X-Ray Auto Instrumentation Agent for Java

    The AWS X-Ray Java Agent is a drop-in solution that enables the propagation of X-Ray traces within your Java web applications and servlet-based microservices. This includes automatic tracing for supported frameworks and libraries, including Spring, the AWS SDK, Apache HTTP clients, and JDBC-based SQL queries. The agent enables you to use the X-Ray SDK out of box, and requires no code changes to enable the basic propagation of traces. See the chart below for the current feature parity between...
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