Showing 46 open source projects for "e-learning"

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  • 1
    ZXing

    ZXing

    Barcode scanning library for Java, Android

    ZXing or “Zebra Crossing” is an open source multi-format 1D/2D barcode image processing library that’s been implemented in Java, and also comes with ports to other languages. It currently supports the following formats: UPC-A and UPC-E EAN-8 and EAN-13 Code 39 Code 93 Code 128 ITF Codabar RSS-14 (all variants) RSS Expanded (most variants) QR Code Data Matrix Aztec ('beta' quality) PDF 417 ('alpha' quality) MaxiCode ZXing is made up of several modules, including a core image decoding library, JavaSE-specific client code, and Android client Barcode Scanner. ...
    Downloads: 62 This Week
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  • 2
    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.
    Downloads: 0 This Week
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  • 3
    Hutool

    Hutool

    A set of tools that keep Java sweet

    Hutool is a small but comprehensive Java tool class library. Through static method encapsulation, it reduces the learning cost of related APIs, improves work efficiency, makes Java as elegant as a functional language, and makes the Java language "sweet". The tools and methods in Hutool come from each user's meticulous attention to detail. It covers all aspects of the underlying code of Java development. It is not only a sharp tool to solve small problems in large-scale project development, but also an efficiency responsibility in small-scale projects. ...
    Downloads: 1 This Week
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  • 4
    30 Seconds of Java

    30 Seconds of Java

    Collection of reusable tested Java 21 compatible code snippets

    ...Each snippet is designed to be read and understood in under a minute, showing a single idea such as working with streams, handling optionals, manipulating collections, or doing common utility tasks. The repo targets both beginners who want bite-sized learning and experienced developers who just need a ready-made idiom without digging through docs. Because the snippets are standalone, you can copy them directly into your project or adapt them with minimal changes. The collection is organized and documented so you can browse by category and skill level. Overall, it’s a convenient library for learning modern, idiomatic Java fast and applying it right away.
    Downloads: 0 This Week
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  • 5
    mall-swarm

    mall-swarm

    Microservices edition of the mall e-commerce system

    mall-swarm is the microservices edition of the mall e-commerce system, designed to illustrate how an enterprise-scale e-commerce backend can be built using Spring Cloud Alibaba, Spring Boot 3.x, Sa-Token (authentication), MyBatis, Elasticsearch, Docker and Kubernetes. It includes modules for gateway, auth, search, portal, admin, monitoring, config, registry, and more, and integrates a Vue-based management frontend.
    Downloads: 0 This Week
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  • 6
    Java Tablesaw

    Java Tablesaw

    Java dataframe and visualization library

    ...If you work with data in Java, it may save you time and effort. Tablesaw also supports descriptive statistics and can be used to prepare data for working with machine learning libraries like Smile, Tribuo, H20.ai, DL4J. Import data from RDBMS, Excel, CSV, TSV, JSON, HTML, or Fixed Width text files, whether they are local or remote (http, S3, etc.) Tablesaw supports data visualization by providing a wrapper for the Plot.ly JavaScript plotting library. Here are a few examples of the new library in action. ...
    Downloads: 3 This Week
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  • 7
    Alibaba Dragonwell8

    Alibaba Dragonwell8

    Alibaba Dragonwell8 JDK

    ...We are now contributing some of our work into the Java community. Alibaba Dragonwell, as a downstream version of OpenJDK, is the in-house OpenJDK implementation at Alibaba. It is optimized for online e-commerce, financial and logistics applications running on 100,000+ servers. Alibaba Dragonwell is the engine that runs these distributed Java applications in extreme scaling.
    Downloads: 2 This Week
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  • 8
    ta4j

    ta4j

    A Java library for technical analysis

    ...It provides the basic components for the creation, evaluation, and execution of trading strategies. Ta4j is available on Maven Central. You can also download example code from the maven central repository. The wiki is the best place to start learning about ta4j. For more detailed questions, please use the issues tracker. We can calculate indicators over this bar series, in order to forecast the direction of prices through the study of past market data. Then we have to build our trading strategy. It is made of two trading rules, one for entry, the other for exit. Ta4j comes with a set of basic trading rules/strategies which can be combined using boolean operators. ...
    Downloads: 2 This Week
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  • 9
    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 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). ...
    Downloads: 0 This Week
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  • 10
    LakshmiDROP

    LakshmiDROP

    Fixed Income Analytics, Portfolio Construction, Asset Backed Cost

    DROP implements the model libraries and provides systems for fixed income valuation and adjustments, asset allocation and transaction cost analytics, and supporting libraries in numerical optimization and statistical learning. DROP is composed of four main libraries: [Asset Allocation] (https://lakshmidrip.github.io/DROP/AssetAllocationModule.html) [Fixed Income Analytics] (https://lakshmidrip.github.io/DROP/FixedIncomeModule.html) [Numerical Optimization] (https://lakshmidrip.github.io/DROP/NumericalOptimizerModule.html) [Statistical Learning] (https://lakshmidrip.github.io/DROP/StatisticalLearningModule.html)
    Downloads: 3 This Week
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  • 11
    Snippetory

    Snippetory

    Java templating solution with passive templates.

    Snippetory is a platform for java developers dealing with any text generation. The abstraction layer helps to keep the issues of the 'view' in the view, while all logic is implemented in java. Editing, debugging and testing, all with the tools one is already used to. The separation of template keeps the template simple, the logic compact, and easy to navigate, and offers completely new re-usage scenarios. Sourceforge code hosting is abandoned. Primary site is now...
    Downloads: 1 This Week
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  • 12
    Hacker Scripts

    Hacker Scripts

    Based on a true story

    Hacker Scripts is a cheeky collection of small automation scripts and language ports collected under the tagline “Based on a true story.” The repository gathers playful utilities (originally shell and Ruby scripts) that automate short, real-world tasks — for example, sending a quick “late at work” text when SSH sessions are active, firing off an automated “I’m sick / working from home” email on certain mornings, or even talking to a networked coffee machine to start brewing at precisely the...
    Downloads: 65 This Week
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  • 13
    compileflow

    compileflow

    Core business process engine of Alibaba Halo platform

    ...Specifically, Compileflow is designed to focus on pure memory execution and stateless process engines by converting process files to generate, compile and execute java code. Currently, compileflow powers multiple core systems such as Alibaba's e-commerce stores and transactions. Compileflow allows developers to design their own business processes through the process editor, which will visualize complex business logic, and build a bridge between designers and development engineers.
    Downloads: 0 This Week
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  • 14
    jsoncat

    jsoncat

    Lightweight HTTP framework built in Java

    ...Because it avoids heavy abstractions and auto-magical configuration, it’s suited to developers who want to understand what happens beneath frameworks rather than just use them. The code has detailed comments (recently translated or annotated for Chinese readers), making it a practical study project for learning network programming, middleware design, and handler chains. Projects like this are especially useful for backend engineers or Java learners who want to demystify how web servers and routing frameworks work at a low level.
    Downloads: 0 This Week
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  • 15
    Spring Cloud Examples

    Spring Cloud Examples

    Spring Cloud learning cases, service discovery, service governance

    The Spring Cloud Examples repository appears to be a collection of sample applications and demos that illustrate how to use Spring Cloud and related cloud-native patterns in real-world microservice or distributed-service contexts. It provides working codebases showing how to wire together service discovery, configuration, inter-service communication, and possibly resilience patterns — giving developers a hands-on playground rather than theoretical documentation. By studying the examples, one...
    Downloads: 0 This Week
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  • 16
    Java Neural Network Framework Neuroph
    Neuroph is lightweight Java Neural Network Framework which can be used to develop common neural network architectures. Small number of basic classes which correspond to basic NN concepts, and GUI editor makes it easy to learn and use.
    Downloads: 88 This Week
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  • 17

    javaLightConsole

    Easy fine console input/output for java

    Input : non blocking keyboard handling. Output : clean console, print at x,y coordinates, echo on/off, cursor on/off. Developed for learning game programming and MVC. Uses native code through JNI. Provides windows and linux versions. Includes code:blocks and eclipse projects for native and java code. You can use the classes InputProxy and OutpoutProxy in your projects. For usage examples, see their main() methods.
    Downloads: 0 This Week
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  • 18
    Javaluator

    Javaluator

    A java infix evaluator based on "Shunting Yard" algorithm.

    Evaluate an arithmetic expression is as simple as: Double result = new DoubleEvaluator().evaluate("(e^3-1)*sin(pi/4)*ln(pi^2)"). But Javaluator provides you with much more ... Key features: - Functions support, including variable argument count. - Constants support: e, pi, etc ... - Variables support: Example sin(x) for x = pi/4. - Highly configurable: Reduce the built-in operator or function sets, define your own brackets
    Downloads: 0 This Week
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  • 19
    MITIE

    MITIE

    MITIE: library and tools for information extraction

    ...The current release includes tools for performing named entity extraction and binary relation detection as well as tools for training custom extractors and relation detectors. MITIE is built on top of dlib, a high-performance machine-learning library[1], MITIE makes use of several state-of-the-art techniques including the use of distributional word embeddings[2] and Structural Support Vector Machines[3]. MITIE offers several pre-trained models providing varying levels of support for both English, Spanish, and German trained using a variety of linguistic resources (e.g., CoNLL 2003, ACE, Wikipedia, Freebase, and Gigaword). ...
    Downloads: 0 This Week
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  • 20
    StrongKey CryptoEngine

    StrongKey CryptoEngine

    FIDO strong authentication, encryption, digital signature engine

    ...Its modules include: - A FIDO Engine to support FIDO U2F key registrations/authentications - An encryption engine to encrypt/decrypt files using AES/TDES keys - Escrowing keys to on-premises key management system (StrongAuth KeyAppliance/SAKA) - Integration to cloud storage services (AWS S3, Azure and Eucalyptus Walrus) - A signing engine to digitally sign documents, code, etc. with FIPS 140-2 HSM support - An LDAP Engine for AD/LDAP integration for authorization decisions SKCE is battle-tested and in production at one of the largest e-commerce companies in the world, protecting more than 50M documents within the business process; see http://bit.ly/14VPYlO for the case study. Download StrongKey CryptoCabinet (SKCC) on this site to see how to use SKCE.
    Downloads: 0 This Week
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  • 21
    Spring PetClinic

    Spring PetClinic

    A sample Spring-based application

    The Spring Petclinic is the canonical reference sample application built with Spring Boot and Thymeleaf, demonstrating best practices in building Spring-based web applications; forks also exist showcasing implementations with modern architectures like microservices, reactive stacks, and AI integrations. In its default configuration, Petclinic uses an in-memory database (H2) which gets populated at startup with data. The h2 console is exposed and it is possible to inspect the content of the...
    Downloads: 0 This Week
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  • 22
    ejSerial

    ejSerial

    Serial connection Java library

    Java library to send and receive data via Serial COM-Ports. This library is intended to provide an easy way to access the serial-port. Only a few lines of code are needed to Read or Write data via serial port. All Properties and Methods are inspired by the "SerialPort"-Class of the .NET Framework (System.IO.Ports.SerialPort) The benefit of this project is, that it needs only a few lines of code to implement, and a reduced CPU load. Static Methods are available to send/receive...
    Downloads: 0 This Week
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  • 23

    PesoLib

    Biblioteca para obtenção de peso de itens sobre balanças

    PesoLib é uma biblioteca que é capaz de detectar e conectar-se à uma balança plugada no computador, os pesos podem ser recebidos sem a necessidade de solicitação, ou seja quando um item for colocado sobre a balança a biblioteca enviará o peso automaticamente para sua aplicação.
    Downloads: 0 This Week
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  • 24
    Downloads: 0 This Week
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  • 25
    Este projeto implementa lógicas de Controle entre componentes visuais (jxSwing) e a camada de persistência (jxDao). This project implements logical Control of visual components (jxSwing) and persistence layer (jxDao).
    Downloads: 0 This Week
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