3601 projects for "java open source" with 2 filters applied:

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  • 1
    Source Code Hunter

    Source Code Hunter

    Source code analysis of Spring, MyBatis, Redis, Netty, and more

    Source Code Hunter is an open source project by Doocs that focuses on analyzing and explaining the source code of widely used Java frameworks and libraries. It helps developers deepen their understanding of internal implementations, design patterns, and performance optimizations by walking through actual codebases such as Spring, MyBatis, Netty, Tomcat, and others.
    Downloads: 1 This Week
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  • 2
    DSA Bootcamp Java

    DSA Bootcamp Java

    This repository consists of the code samples, assignments, and notes

    DSA Bootcamp Java is an open source educational repository created by Kunal Kushwaha to teach Data Structures and Algorithms (DSA) using Java. It is designed as a structured bootcamp, covering fundamental concepts to advanced problem-solving techniques. The project provides explanations, exercises, assignments, and practice problems, making it useful for both beginners and intermediate learners who want to strengthen their Java and algorithmic skills. ...
    Downloads: 1 This Week
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  • 3
    simple-java-maven-app

    simple-java-maven-app

    For an introductory tutorial on how to use Jenkins

    simple-java-maven-app is a reference repository created for the Jenkins tutorial on building a Java application with Maven. It contains a minimal Java program that prints “Hello world!” and includes unit tests to validate functionality, with test results exported in JUnit XML format. The repository provides an example that demonstrates how to configure a Jenkins Pipeline for building and delivering applications. It also includes scripts that define commands executed in pipeline stages,...
    Downloads: 0 This Week
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  • 4
    Interviews

    Interviews

    Comprehensive computer science and interview preparation guide

    Interviews is an open source repository designed as a comprehensive guide to preparing for technical interviews, with a strong focus on computer science fundamentals and algorithmic problem solving. Created by Kevin Naughton Jr., the project compiles detailed notes, explanations, and code implementations that cover core areas tested in software engineering interviews.
    Downloads: 4 This Week
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    The Original Buy Center Software.

    Never Go To The Auction Again.

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  • 5
    LeetCode Book

    LeetCode Book

    Comprehensive study guide for coding interviews

    LeetCode-Book is a comprehensive study guide for coding interviews that consolidates algorithm patterns, data-structure templates, and worked LeetCode solutions. It organizes problems by topic—arrays, linked lists, stacks/queues, trees/graphs, dynamic programming, greedy, backtracking, and math—so you can study systematically. Explanations are concise but intentional, highlighting why a pattern fits, how to reason about boundary cases, and the time/space trade-offs. Many entries include...
    Downloads: 2 This Week
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  • 6
    freeCodeCamp

    freeCodeCamp

    freeCodeCamp.org's open-source codebase and curriculum

    ...Because it is open source, anyone can propose improvements, add lessons, or adapt the platform for new languages and frameworks.
    Downloads: 22 This Week
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  • 7
    Mall Learning

    Mall Learning

    Tutorial and sample-code repository

    mall-learning is a tutorial and sample-code repository that explores an entire e-commerce system architecture from backend to frontend. The associated “mall” project (with tens of thousands of stars) is an open-source full-stack e-commerce platform built with Spring Boot, MyBatis, Elasticsearch, RabbitMQ, Redis, MongoDB, MySQL and containerized via Docker. The learning repository breaks down architecture, business modules (products, orders, marketing, members), deployment (Linux, Docker, Jenkins) and technical points in detail. For each topic it provides sample code, explanations of why design decisions were made, trade-offs and how to implement real-world features like search, caching, delayed messaging, file storage. ...
    Downloads: 2 This Week
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  • 8
    HTML CSS

    HTML CSS

    Curso de HTML5 e CSS3

    Tutorial, teaching, or resource collection on HTML and CSS, aimed at beginners. It likely contains sample websites, examples of markup, styling, exercises, and reference materials related to web front-end development using HTML and CSS. CSS styling samples and layout demonstrations. Educational documentation (README, explanations). Structured project examples (e.g. small websites). Version history/incremental improvements.
    Downloads: 8 This Week
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  • 9
    Computational Thinking

    Computational Thinking

    Introduction to computational thinking with Julia

    Computational Thinking is an open source MIT course repository that teaches computational problem-solving through the Julia programming language. The course integrates mathematics, computing, and real-world applications into a unified curriculum, making it suitable for students across science, engineering, and data-driven fields. It emphasizes learning how to translate problems into computational terms and developing algorithms and models to analyze them effectively.
    Downloads: 3 This Week
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  • 10
    Elixir Koans

    Elixir Koans

    Elixir learning exercises

    Elixir Koans is an interactive learning project designed to teach the fundamentals of the Elixir programming language through a series of self-guided coding exercises. Inspired by the style of koans used in other programming communities, it provides incomplete code snippets and failing tests that learners must solve to progress. Each exercise builds on the previous one, gradually introducing core concepts such as pattern matching, recursion, processes, and concurrency in Elixir. By debugging...
    Downloads: 5 This Week
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  • 11
    Java Modelling Tools is a suite of scientific tools for performance analysis and modelling using queueing theory and colored stochastic Petri nets. Models are solved either with analytical, asymptotic or simulation methods; workload characterization tools are also included in the suite. See the project website for more details: http://jmt.sf.net
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    Downloads: 41 This Week
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  • 12
    Hello Python

    Hello Python

    Comprehensive tutorial repository aimed at teaching the Python program

    ...The course is designed to be accessible: no prior programming experience required, and the resources are freely available. In addition, it is accompanied by a practical coding approach (projects) and is maintained as an open-source repository under Apache-2.0 license. It’s ideal for learners who want structured content, hands-on practice, and community guidance to build their Python skills.
    Downloads: 1 This Week
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  • 13
    DIO Lab

    DIO Lab

    Repository for "Contributing to an Open Source Project on GitHub" lab

    dio-lab-open-source is an educational repository created as part of the “Contributing to an Open Source Project” course offered by Digital Innovation One (DIO). The project serves as a practical learning environment where students can explore the fundamentals of contributing to open source software through GitHub. It provides hands-on experience with the Git workflow, including forking repositories, creating branches, submitting pull requests, and collaborating with other developers. ...
    Downloads: 0 This Week
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  • 14
    First Contributions

    First Contributions

    Help beginners to contribute to open source projects

    ...Over the years, it has attracted thousands of contributors and serves as a popular entry point into the world of open source collaboration. Its impact lies not only in teaching GitHub workflows but also in fostering confidence, community spirit, and the habit of contributing to open source.
    Downloads: 0 This Week
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  • 15
    Think Python 2

    Think Python 2

    LaTeX source and supporting code for Think Python, 2nd edition

    ThinkPython2 is the repository for the second edition of Allen Downey’s Think Python textbook, which teaches programming fundamentals in Python to beginners. The code includes all of the example programs, exercises, and supplementary files referenced in the book, allowing learners to run the examples, experiment, and extend them. The repository contains clean, well-commented Python scripts that are easy to follow and map directly to chapters of the text, covering topics like variables,...
    Downloads: 1 This Week
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  • 16
    Realtime Chat Application

    Realtime Chat Application

    Build and deploy a real time chat application

    This full-stack tutorial project shows how to build and deploy a real-time chat app using React on the client and Node/Express with Socket.io on the server. It covers the mechanics of establishing WebSocket connections, broadcasting and receiving messages, and maintaining active user rooms. The repository includes scripts and instructions to spin up both client and server quickly so you can experiment locally. It illustrates common patterns like event-driven messaging, joining/leaving rooms,...
    Downloads: 1 This Week
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  • 17
    Uneebee

    Uneebee

    Platform for creating interactive courses

    Uneebee is an open-source Elixir/Phoenix application focused on community content and learning workflows, designed to be both a usable product and a practical reference for building modern web apps in the Elixir stack. Its structure showcases common concerns—authentication, profiles, content creation, feeds, tagging, and search—implemented with clean boundaries so features can evolve independently.
    Downloads: 0 This Week
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  • 18
    33 JS Concepts

    33 JS Concepts

    33 JavaScript concepts every developer should know

    ...The repository also encourages contributions, including personal notes, recaps, and translations, making it accessible to developers worldwide. Recognized as one of GitHub’s top open source projects in 2018, it remains a widely used reference for improving JavaScript skills.
    Downloads: 0 This Week
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  • 19
    Scientific Visualization

    Scientific Visualization

    An open access book on scientific visualization using python

    The Scientific Visualization book is a freely available open-access textbook that introduces how to produce effective scientific visualizations using Python, focusing especially on leveraging the popular plotting library Matplotlib (and related tools). It goes beyond simple plotting tutorials and emphasizes design principles: how to choose colors, layout subplots, annotate graphs, and present data in a way that is both accurate and visually compelling. As such, it serves as a guide for...
    Downloads: 0 This Week
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  • 20
    Python Zero to Hero for DevOps Engineers

    Python Zero to Hero for DevOps Engineers

    Learn Python from DevOps Engineer point of you

    Python Zero to Hero for DevOps Engineers is a structured “Python Zero to Hero for DevOps Engineers” course laid out as a day-by-day learning path. The repository is organized into Day-01 through Day-19 folders plus a small sample app, which makes it very easy to follow in sequence like a bootcamp. The curriculum starts with Python installation, environment setup, and writing your first script, then quickly moves into data types, strings, regular expressions, variables, and functions. It...
    Downloads: 1 This Week
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  • 21
    Hello JavaScript

    Hello JavaScript

    Course repository designed to teach JavaScript from scratch in Spanish

    hello-javascript is a comprehensive course repository designed to teach JavaScript from scratch in Spanish, pairing source code with hours of video content and hundreds of exercises. It covers the JavaScript language core, from variables and control flow to functions, objects, arrays, and modern ECMAScript features. The project also touches the browser and Node.js ecosystems so learners can understand both client and server contexts. Exercises and lesson organization make it easy to follow...
    Downloads: 0 This Week
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  • 22
    Hello Git & GitHub

    Hello Git & GitHub

    Tutorial repository designed to teach how to use the Git vc system

    ...The content is hosted in a GitHub repository, reinforcing the practical aspect of versioning while you learn. It also includes supplemental materials like a book (in print and e-book) to complement the tutorials. This makes it highly useful for developers entering the open-source ecosystem or those needing a solid foundation in Git/GitHub workflow.
    Downloads: 0 This Week
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  • 23
    Comprehensive Rust

    Comprehensive Rust

    This is the Rust course used by the Android team at Google

    Comprehensive Rust is an open source training course developed by Google to provide a complete introduction to the Rust programming language. Originally created for Google engineers, it has since been released publicly for the broader developer community. The course is structured into modular lessons that cover the fundamentals of Rust, including ownership, lifetimes, traits, generics, and error handling, before progressing to advanced topics like concurrency, async programming, unsafe Rust, and FFI. ...
    Downloads: 0 This Week
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  • 24
    The Open ISES Project
    Open Information Systems for Emergency Services (Open ISES) is a community of software developers, paramedics, EMTs, law enforcement & fire fighters working together to create open source software & training materials for the emergency service community.
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    Downloads: 10 This Week
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  • 25
    TORCS - The Open Racing Car Simulator
    TORCS, The Open Racing Car Simulator is a highly portable multi platform car racing simulation. It is used as ordinary car racing game, as AI racing game and as research platform. It runs on Linux (x86, AMD64 and PPC), FreeBSD, OpenSolaris and Windows.
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    Downloads: 505 This Week
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