Showing 4236 open source projects for "no code"

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  • 1
    Testcontainers Java

    Testcontainers Java

    Testcontainers is a Java library that supports JUnit tests

    Testcontainers for Java is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container. Use a containerized instance of a MySQL, PostgreSQL or Oracle database to test your data access layer code for complete compatibility, but without requiring complex setup on developers' machines and safe in the knowledge that your tests will always start with a known DB state. Any other database type that can be containerized can also be used. For running your application in a short-lived test mode with dependencies, such as databases, message queues or web servers. ...
    Downloads: 4 This Week
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  • 2
    Discovery

    Discovery

    Nepxion Discovery is a solution for Spring Cloud

    Nepxion Discovery is a solution for Spring Cloud with blue green, gray, route, blacklist, limitation, circuit breaker, degrade, isolation, monitor, tracing, dye, failover, async agent. Only one or more services are upgraded at a time, the upgrade is completed and monitored and observed, and this process is performed continuously until all the old versions in the cluster are upgraded to the new version. In the process of stopping the old version, it is impossible to accurately calculate...
    Downloads: 4 This Week
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  • 3
    MyBatis

    MyBatis

    MyBatis SQL mapper framework for Java

    MyBatis is a first class persistence framework with support for custom SQL, stored procedures and advanced mappings. MyBatis eliminates almost all of the JDBC code and manual setting of parameters and retrieval of results. MyBatis can use simple XML or Annotations for configuration and map primitives, Map interfaces and Java POJOs (Plain Old Java Objects) to database records. Every MyBatis application centers around an instance of SqlSessionFactory. A SqlSessionFactory instance can be acquired by using the SqlSessionFactoryBuilder. ...
    Downloads: 4 This Week
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  • 4
    Android Tips & Tricks

    Android Tips & Tricks

    [Cheatsheet] Tips and tricks for Android Development

    ...It collects techniques gathered from personal experience, developer discussions, and external technical resources. The material covers Android Studio, Java, Kotlin, Gradle, ADB, interface design, performance, libraries, and general development workflows. Short explanations and code-oriented examples make the repository suitable for quick reference rather than linear coursework. A searchable mdBook edition provides an easier way to browse the growing collection. Contributors can expand or correct the guide through pull requests. The project is useful for discovering lesser-known platform capabilities and improving everyday Android development practices.
    Downloads: 2 This Week
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  • 5
    guide-rpc-framework

    guide-rpc-framework

    A custom RPC framework implemented by Netty+Kyro+Zookeeper

    ...It’s aimed primarily at learners and practitioners of distributed systems who want to see how you might build an RPC system from first principles rather than just use an existing library. The project provides code for client-side stubs, server-side skeletons, method dispatching, serialization, load balancing, and node management via Zookeeper. Since RPC remains a foundational building block in microservices, server architectures, and high-performance systems, this codebase helps you trace how requests are framed, routed, serialized, and executed across nodes. ...
    Downloads: 0 This Week
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  • 6
    OpenJ9

    OpenJ9

    A Java Virtual Machine for OpenJDK

    ...Eclipse OpenJ9 is an independent implementation of a Java Virtual Machine. "Independent implementation" means it was built using the Java Virtual Machine specification without using any code from any other Java Virtual Machine. The OpenJ9 JVM combines with the Java Class libraries from OpenJDK to create a complete JDK tuned for footprint, performance, and reliability that is well suited for cloud deployments. The original source contribution to OpenJ9 came from the IBM "J9" JVM which has been used in production by thousands of Java applications.
    Downloads: 0 This Week
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  • 7
    Metrics

    Metrics

    Capturing JVM and application-level metrics

    Metrics is a Java library which gives you unparalleled insight into what your code does in production. Metrics provides a powerful toolkit of ways to measure the behavior of critical components in your production environment. With modules for common libraries like Jetty, Logback, Log4j, Apache HttpClient, Ehcache, JDBI, Jersey and reporting backends like Graphite, Metrics provides you with full-stack visibility.
    Downloads: 3 This Week
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  • 8
    Java Design Patterns

    Java Design Patterns

    Design patterns implemented in Java

    A comprehensive, community-maintained collection of design pattern implementations in Java, offering well-documented, educational examples to help developers understand and apply common architectural solutions. All designs should be as simple as possible. You should start with KISS, YAGNI, and Do The Simplest Thing That Could Possibly Work principles. Complexity and patterns should only be introduced when they are needed for practical extensibility. The design patterns are now available as...
    Downloads: 1 This Week
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  • 9
    Brave

    Brave

    Java distributed tracing implementation compatible with Zipkin backend

    ...Brave's dependency-free tracer library works against JRE6+. This is the underlying api that instrumentation use to time operations and add tags that describe them. This library also includes code that parses X-B3-TraceId headers.
    Downloads: 3 This Week
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  • 10
    fastjson

    fastjson

    A fast JSON parser/generator for Java

    ...Based on benchmarks it provides the best performance in both server side and Android client, and can work with arbitrary Java objects, even those pre-existing objects of which you do not have the source code. Fastjson provides a simple conversion method to turn Java objects to JSON and vice versa, with extensive support of Java Generics and arbitrarily complex objects.
    Downloads: 1 This Week
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  • 11
    ElasticJob

    ElasticJob

    Distributed scheduled job framework

    ...ElasticJob-Lite is a lightweight, decentralized solution that provides distributed task sharding services. ElasticJob-Cloud uses Mesos to manage and isolate resources. It uses a unified job API for each project. Developers only need code one time and can deploy at will. Support job sharding and high availability in distributed system. Scale out for throughput and efficiency improvement. Job processing capacity is flexible and scalable with the allocation of resources. Execute job on suitable time and assigned resources. Aggregation same job to same job executor. Append resources to newly assigned jobs dynamically. ...
    Downloads: 2 This Week
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  • 12
    Toaster Frame

    Toaster Frame

    Android toast frame, dedicated to treating various difficult problems

    ...It focuses on ensuring that toast notifications display correctly even on heavily customized Android skins. The library is designed for easy integration, allowing developers to replace default toast usage with minimal code changes. It also supports styling and positioning improvements that make transient user feedback more predictable. In practice, Toaster is useful for Android teams that want consistent UI feedback without building a custom notification system from scratch.
    Downloads: 1 This Week
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  • 13
    RxJava

    RxJava

    Reactive Extensions for the JVM

    RxJava is a lightweight Java VM implementation of ReactiveX (Reactive Extensions). This is a library for the composition of asynchronous and event-based programs through observable sequences. It helps you write cleaner and simpler code by providing methods for solving problems quickly, and is easy to maintain and understand. RxJava works by extending the observer pattern in order to support sequences of data/events. It also allows you to compose sequences together declaratively through added operators, all while abstracting away concerns like low-level threading, thread-safety, concurrent data structures and synchronization. ...
    Downloads: 1 This Week
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  • 14
    Netty

    Netty

    An event-driven asynchronous network application framework

    Netty is an asynchronous, event-driven networking framework for the JVM that simplifies building high-performance clients and servers. It wraps Java NIO with a channel/handler pipeline model, enabling clean composition of codecs, TLS, and application logic with minimal overhead. Its ByteBuf abstractions, buffer pooling, and zero-copy techniques help reduce GC pressure and improve throughput under heavy I/O. Support for common protocols—HTTP/1.1, HTTP/2, WebSocket, and raw TCP/UDP—makes it a...
    Downloads: 2 This Week
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  • 15
    JavaGuide

    JavaGuide

    "Java Learning + Interview Guide" covers the core Java knowledge

    ...The project organizes and explains a wide range of Java-related concepts, from language fundamentals to advanced topics such as concurrency, JVM internals, distributed systems, and high availability design. It is especially popular among developers preparing for technical interviews, as it compiles common knowledge points, detailed explanations, and source code analyses that interviewers frequently explore. The repository also includes sections on computer science basics such as operating systems, networks, and data structures, along with practical guides for databases, Redis, MySQL, and MongoDB. Beyond core Java, JavaGuide covers tools like Maven, Docker, Git, and frameworks like Spring, Spring Boot, and MyBatis. ...
    Downloads: 1 This Week
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  • 16
    Alovoa

    Alovoa

    Free and open-source dating platform that respects your privacy

    This platform does not require you to pay any kind of fee, you can use all functions without limitations. We rely solely on your generous donations to keep this platform running. We believe in transparency, not obfuscation. Each line of code and each library used is free and open source, allowing everyone to see and improve on the platform if they so choose. We do not sell your information to third parties, we will always keep this promise. Furthermore, sensitive data is encrypted and secure even if there is a violation of data security. Ads slow down the browser, are intrusive, annoying, and can potentially inject malware into your device. ...
    Downloads: 1 This Week
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  • 17
    LaTeX Examples

    LaTeX Examples

    Examples for the usage of LaTeX

    LaTeX-examples is a repository collecting a variety of example documents and snippets demonstrating LaTeX features, usage patterns, and common templates. It acts as a playground for learning LaTeX syntax, macros, formatting tricks, and document structuring practices. Files include sample articles, reports, book chapters, presentations (using Beamer), tables, mathematical typesetting examples (equations, aligned systems, integrals, matrices), custom macros, and styling. The project is useful...
    Downloads: 1 This Week
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  • 18
    Spring Data MongoDB

    Spring Data MongoDB

    Provide support to increase developer productivity in Java

    The primary goal of the Spring Data project is to make it easier to build Spring-powered applications that use new data access technologies such as non-relational databases, map-reduce frameworks, and cloud-based data services. The Spring Data MongoDB project aims to provide a familiar and consistent Spring-based programming model for new datastores while retaining store-specific features and capabilities. The Spring Data MongoDB project provides integration with the MongoDB document...
    Downloads: 1 This Week
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  • 19
    CircleProgress

    CircleProgress

    CircleProgress, DonutProgress, ArcProgress for Android

    ...Version 2 migrated the library to AndroidX, raised its minimum SDK level, and modernized its Gradle tooling. Accessibility support was added for screen readers, while rendering and animation code received performance improvements. The package is distributed through JitPack and includes demo applications showing the available controls.
    Downloads: 0 This Week
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  • 20
    cordova-plugin-camera-preview

    cordova-plugin-camera-preview

    Cordova plugin that allows camera interaction from HTML code

    Cordova Camera Preview is a plugin that allows developers to add real-time camera preview functionality to Cordova-based mobile apps. It provides direct access to the device's camera feed with customizable overlays and controls, enabling the creation of augmented reality, scanning, and camera-based interaction apps.
    Downloads: 0 This Week
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  • 21
    Jib

    Jib

    Containerize your Java application

    ...Jib builds by separating the traditionally single image layer Java application into multiple layers for more granular incremental builds. This results in only changes to your code being rebuilt, not your entire application. Jib deploys your changes fast and allows you to rebuild your container image exactly the same without triggering unnecessary updates. All this done completely daemonless, reducing your CLI dependencies.
    Downloads: 0 This Week
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  • 22
    AmazonMSK AWS Identity Access Management

    AmazonMSK AWS Identity Access Management

    Use AWS Identity and (IAM) to connect to Amazon Managed Streaming

    ...This library provides a new Simple Authentication and Security Layer (SASL) mechanism called AWS_MSK_IAM. This new SASL mechanism can be used by Kafka clients to authenticate against Amazon MSK clusters using AWS IAM. After you've downloaded the code from GitHub, you can build it using Gradle. An uber jar containing the library and all its relocated dependencies except the kafka client and slf4j-api can also be built. At runtime, the uber jar expects to find the kafka client library and the sl4j-api library on the classpath.
    Downloads: 1 This Week
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  • 23
    picocli

    picocli

    Framework for building GraalVM-enabled command line apps

    Picocli is a one-file framework for creating Java command-line applications with almost zero code. It supports a variety of command-line syntax styles including POSIX, GNU, MS-DOS and more. It generates highly customizable usage help messages that use ANSI colors and styles to contrast important elements and reduce the cognitive load on the user. Picocli-based applications can have command line TAB completion showing available options, option parameters, and subcommands, for any level of nested subcommands. ...
    Downloads: 1 This Week
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  • 24
    weixin-java-miniapp-demo

    weixin-java-miniapp-demo

    WeChat applet Java backend Demo implemented based on Spring Boot

    ...It is designed to accelerate development by offering working controller examples and configuration patterns that mirror real-world deployments. The project emphasizes clarity and modular organization so developers can adapt the code to their own production environments. It also illustrates best practices for securely managing mini program credentials and backend communication. Overall, the demo acts as a practical reference implementation for teams building Java-based backends for WeChat mini applications.
    Downloads: 0 This Week
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  • 25
    JCTools

    JCTools

    Java Concurrency Tools for the JVM

    ...There’s more to come and contributions/suggestions are most welcome. JCTools has enjoyed support from the community and contributions in the form of issues/tests/documentation/code have helped it grow. JCTools offers excellent performance at a reasonable price (FREE! under the Apache 2.0 License). It’s stable and in use by such distinguished frameworks as Netty, RxJava and others. JCTools is also used by commercial products with great results. JCTools is maven built and requires an existing Maven installation and JDK8 (only for building, runtime is 1.6 compliant). ...
    Downloads: 1 This Week
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