Discover six free, open‑source note‑taking applications—AppFlowy, Laverna, Trilium, Leanote, Focalboard, and Etherpad‑Lite—each with unique features, platform support, and pros and cons, helping programmers choose the right tool for personal knowledge management or team collaboration.
This article reviews the ten most notable Python libraries for machine learning in 2021, covering tools for handling nested data, notebook versioning, lightweight model demos, data management, multimodal augmentation, model monitoring, object detection, fast inference, time‑series forecasting, and neural search.
Jeepay is an open‑source, Spring Boot‑based payment platform that supports multiple channels such as WeChat Pay, Alipay, and UnionPay, offering distributed deployment, high concurrency, secure signing, and a modular front‑back separation with comprehensive management and merchant interfaces.
The Log4j2 flaw, a low‑cost, high‑impact Java logging vulnerability, has exposed tens of thousands of open‑source components and over 70% of enterprise systems, prompting massive remediation efforts and highlighting the urgent need for robust security support.
Markdeep is an open‑source JavaScript plugin that turns any plain‑text file into a fully rendered Markdown document with support for tables, LaTeX equations, charts and even PPT‑style slides, requiring only a single markup line and no additional installations.
This guide introduces ten powerful Linux command‑line utilities—including bat, duf, tldr, htop, glances, exa, fd, ag, axel, and pydf—covers their installation across major distributions, showcases essential usage examples, and highlights key features that make them superior alternatives to classic tools.
The article explains the formation of the non‑profit PHP Foundation, its founding members, funding model, governance structure, and how it aims to sustain PHP's core development by supporting contributors with salaries and grants.
This article presents a comprehensive, categorized collection of open‑source workflow engines and BPM tools—including complete products, SaaS solutions, and embeddable libraries—along with brief descriptions and recommendations for different orchestration scenarios.
This article introduces six intriguing open‑source projects—including an audio‑based keylogger, a high‑accuracy face‑recognition library, a TensorFlow.js video‑person removal tool, a Chinese kinship calculator, a Java Word template engine, and a sleek macOS Markdown editor—each with brief descriptions, screenshots, and usage examples.
This article explores UCloud’s comprehensive developer‑tool ecosystem, detailing its layered product architecture, open‑source principles, and a code‑generation pipeline that transforms API specifications into SDKs, CLIs, CDKs, and SaaS tools, dramatically reducing development costs and enhancing cloud‑native productivity.
This roundup highlights recent front‑end open‑source updates, including AppWorks 1.5’s auto‑style imports, Parcel 2’s plugin system and Rust‑based performance boost, the Superplate starter kit, the DOM Treemap DevTools extension, Theatre.js animation library, and the W3C Sanitizer API proposal for preventing XSS attacks.
The article evaluates several open‑source API documentation generators—GitBook, smart‑doc, Redoc, Knife4j, YAPI, Apidoc, and ShowDoc—against requirements such as real‑time online docs, full‑text search, debugging support, and UI quality, offering pros, cons, and usage recommendations.
The article reflects on LayUI’s announced shutdown, highlights its simple yet practical design aimed at backend developers, compares it with modern UI frameworks, discusses its visual strengths, the paid LayAdmin suite, technical limitations, and speculates on the reasons behind its closure.
This article walks you through every stage of turning a Python project into an open‑source package, covering licensing, project structure, setup.py creation, testing, documentation, continuous integration, and finally releasing the package to PyPI or Conda.
This article curates a collection of popular open‑source e‑commerce projects on GitHub and Gitee, covering front‑end, back‑end, micro‑service, mobile, and cloud‑native architectures, with detailed technology stacks, core features, and direct repository links for developers to explore and adopt.
The JD Frontend Technology Salon held on September 18, 2021 gathered internal and external experts to discuss cross‑platform development, open‑source initiatives, and HarmonyOS, presenting a series of technical talks, round‑table discussions, and Q&A sessions that highlighted current practices, challenges, and future directions in front‑end engineering.
This guide introduces a curated list of open‑source terminal utilities—including Windows Terminal, iTerm2, Oh My Zsh, powerline, file managers, and command‑line enhancers like exa, fd, bat, fzf, tldr, The Fuck, and w3m—explaining their key features and why they help programmers work faster across macOS, Linux, and Windows.
This guide walks you through using Yuque, a cloud‑based knowledge base, to quickly create, customize, and publish open‑source project documentation without coding or server setup, covering core concepts, step‑by‑step building, public access configuration, and optional homepage customization.
This roundup highlights the latest frontend advancements, including DevTools' cross‑browser support, Gatsby v4's new features, the high‑performance Kraken rendering engine, regex generator grex, the toolb.dev suite, a web‑to‑desktop framework comparison, plus in‑depth articles on Snowpack and a tenfold Table component speed boost.
This weekly bulletin from the DBLE community presents curated technical news, video courses, event announcements, detailed DBLE and DTLE development updates, bug fixes, and upcoming plans, providing valuable insights for developers working with MySQL middleware and open‑source database solutions.
This guide lists several beginner‑friendly open‑source projects—including a Toutiao clone, a Meituan takeaway clone, and a Spring Boot online exam system—detailing their tech stacks, key features, and implementation highlights to help newcomers gain practical development experience.
This guide curates essential open‑source terminal utilities—including Windows Terminal, iTerm2, oh‑my‑zsh, powerline, file managers, vim enhancements, and command‑line helpers like exa, fd, bat, fzf, tldr, The Fuck, and w3m—explaining their key features and where to obtain them, helping developers feel like 10× programmers.
Jeepay is an open‑source payment system for internet businesses that supports multiple channels like WeChat Pay, Alipay and UnionPay, offers a Spring Boot backend with Spring Security, Ant Design Vue frontend, and provides comprehensive documentation, architecture diagrams, and deployment guides.
This guide introduces ten popular VSCode extensions—ranging from games and finance trackers to reading tools and real‑time sports scores—each with download statistics, brief descriptions, and open‑source links, helping developers add a touch of fun while coding.
Jeepay is an enterprise‑grade open‑source payment platform built with Spring Boot, Ant Design Vue and Spring Security, supporting multiple channels such as WeChat Pay, Alipay and UnionPay, and offering distributed deployment, high concurrency, secure transaction signing, and comprehensive operation and merchant modules.
Jeepay is an open‑source, multi‑channel payment system for internet companies that combines Spring Boot backend services, Ant Design Vue front‑end, Spring Security permission control, and supports WeChat Pay, Alipay and UnionPay with distributed, high‑concurrency architecture.
This article introduces a React‑powered project that recreates a simplified Windows 10 desktop experience in the browser, detailing its multi‑user support, persistent file system using LocalStorage and IndexedDB, core features, missing components, setup instructions, and the open‑source libraries it relies on.
This article introduces BaiduPCS-Go, an open‑source cross‑platform command‑line client for Baidu Cloud, outlines its key features, provides step‑by‑step Windows and macOS/Linux installation instructions, and recommends the BaiduPCS-Web UI for a more user‑friendly experience.
If you’ve just mastered Python basics and want a hands‑on project, the article recommends starting with web development by deploying ten diverse open‑source applications—ranging from a novel platform and forum to e‑commerce, file manager, wiki, and games—providing links, star counts, languages, and setup tips to guide beginners through real‑world coding challenges.
This article introduces the open‑source Java + Vue exam system, detailing its student and admin functionalities, mini‑program capabilities, deployment options, demo screenshots, source code link, and a brief assessment of its commercial versus free version.
The Sysdig 2021 report analyzes container usage across thousands of customers, highlighting the most popular open‑source services, the rise of Go and Prometheus, container density and image size trends, alert strategies, and detailed Kubernetes adoption patterns in cloud‑native environments.
This article introduces the rising low‑code/no‑code trend and provides a curated list of fifteen open‑source platforms—such as Saltcorn, Joget DX, Digdag, and Metabase—detailing their key features, licensing, deployment options, and typical use cases for rapid application development.
This interview with dubbogo PMC Fang Yincheng explores the project's six‑year evolution, community contributions, technical challenges of bridging Java and Go, and the future vision for dubbo‑go within the Go ecosystem, offering insights into open‑source collaboration and backend development.
This article introduces and compares seventeen open‑source low‑code and no‑code platforms, explaining their key features, typical use cases, licensing, and where to find them, helping developers and enterprises choose the right tool for rapid application creation.
This article introduces the rising low-code/no-code trend, explains its visual‑drag‑and‑drop approach versus traditional coding, and provides concise overviews of 18 open‑source platforms—including Saltcorn, Joget DX, Digdag, StackStorm, CUBA Platform, Skyve, and more—highlighting their key features, licensing, and deployment options.
This article introduces a curated collection of open‑source terminal utilities—including Windows Terminal, iTerm2, oh‑my‑zsh, powerline, file managers, command‑enhancement tools, and other handy programs—explaining their key features and providing links so developers can boost productivity across macOS, Linux, and Windows environments.
This guide presents a curated list of powerful open‑source terminal utilities—including Windows Terminal, iTerm2, oh‑my‑zsh, file managers, command enhancers, and other handy tools—designed to boost developer productivity and give a feeling of being a 10× programmer.
This article introduces seven popular open‑source microservice projects, each with detailed descriptions of their architecture, technology stacks such as Spring Boot, Spring Cloud, Docker, and links to the repositories, helping developers quickly start practical microservice development.
Discover the most popular Java open‑source repositories on GitHub for May, including high‑performance API gateways, design‑pattern libraries, cloud‑native messaging platforms, multi‑language algorithm collections, data‑integration tools, and blockchain implementations, each with star counts and brief overviews.
In this interview, a seasoned backend infrastructure engineer shares his personal background, extensive experience with RPC, NoSQL, real‑time monitoring, and instant messaging, and discusses the technical value, industry adoption, architectural challenges, and future roadmap of the open‑source Dubbo‑go project within the cloud‑native era.
FlutterBoost 3.0 preview, released after two months of development and testing, introduces refactored lifecycle management, enhanced cross‑platform consistency, custom startup and return parameters, page transparency, custom event handling, pre‑interceptors, and expanded documentation with examples, while maintaining the existing architecture and focusing on community adoption.
This article explores the landscape of open‑source cloud platforms and tools—such as AppScale, Kubernetes, and OpenStack—detailing their capabilities, cost advantages, and how they compare to proprietary services, while also covering monitoring, cost‑optimization, and infrastructure‑as‑code solutions for modern enterprises.
This tutorial walks you through every essential step—from adding a license and organizing your project structure to writing tests, configuring CI, creating documentation, and finally releasing the package on PyPI or Conda—so you can share your Python library with the world.
This tutorial walks through the complete process of turning a local Python project into an open‑source package, covering licensing, project structure, setup.py creation, testing, coverage, documentation, continuous integration, and finally publishing to PyPI or Conda, with practical code examples and configuration files.
This article introduces a selection of open‑source projects that demonstrate front‑end and back‑end separation using technologies such as SpringBoot, Vue, Angular, and React, providing practical examples and resources for developers seeking to master full‑stack development and micro‑service architectures.
This article introduces an open‑source iOS project that replicates WeChat, detailing its architecture, implemented features such as messaging, contacts, discovery and personal pages, the third‑party libraries used, visual screenshots, current status and how developers can contribute.
This article curates 23 open‑source game projects hosted on GitHub—ranging from Vim plugins and JavaScript Tetris clones to Python, Go, and web‑based multiplayer titles—providing installation steps, feature highlights, code snippets, and live demo links so developers can learn, experiment, and have fun during breaks.
This article reviews and contrasts five popular open‑source monitoring solutions—Cacti, Nagios, Zabbix, Prometheus, and Grafana—highlighting their architectures, key features, strengths, and typical use‑cases to help IT teams select the right tool for their environment.
The latest Soul gateway release introduces a revamped admin dashboard with permission control and internationalization, adds numerous GRPC, Tars, Sofa, Sentinel, and other plugins, expands client support for Spring, Dubbo and various registration centers, and boosts test coverage to 70% while welcoming new contributors.
Python 3.9.3 and 3.8.9 were released early with multiple security patches, OpenSSL CVE fixes, module hardening, FTP PASV safety, audit hooks, Unicode handling improvements, and various bug fixes for syntax errors, import cycles, recursion limits, SSL context, and SMTP authentication.
The XueZhiSi online exam system is a Java + Vue full‑stack solution offering easy deployment, friendly UI, clear code structure, and features for both students and administrators across web and WeChat mini‑program platforms, with detailed technology stacks and setup instructions.
This article compiles a curated list of more than seventy open‑source clone projects—ranging from 2048 and Airbnb to Netflix and TikTok—providing live demos, source‑code links, and technology‑stack details to help developers learn modern frontend techniques.
The article shares a personal deep‑dive into using Linux (specifically the Deepin distribution) for daily work, development, communication, and entertainment, highlighting its graphical interface, rich software ecosystem, Android app support, efficiency advantages, and the freedom to customize every aspect of the system.
The Spring nohttp project is an open‑source tool that scans and replaces insecure http:// URLs with HTTPS, preventing man‑in‑the‑middle attacks, updating Maven and documentation links, offering multiple modules and a command‑line interface, and providing example XML configuration for secure classpath resolution.
This article presents a curated collection of 23 open‑source game projects hosted on GitHub, covering a variety of genres and technologies—from Vim plugins and JavaScript Tetris to Python Plants vs Zombies—providing links, brief descriptions, and usage instructions for each.
This article introduces seven open‑source OAuth/SSO solutions—including oauth2‑shiro, tkey, MaxKey, spring‑lhbauth, oauth2, oauthserver, and JustAuth—detailing their features, supported protocols, and repository links to help developers implement secure authentication and token management in web and mobile applications.
This article explains how enterprises can evaluate their needs and compare four popular open‑source relational databases—MySQL, PostgreSQL, MariaDB, and SQLite—covering licensing, performance, language support, strengths, and limitations to guide an informed selection.
This guide walks through the essential layers of a backend technology stack for startups, covering language choices, core components like DNS, load balancing, CDN, RPC frameworks, databases, messaging, logging, monitoring, configuration, deployment, and operational best‑practice processes.
This article explains the fundamentals of distributed ID concepts, compares common generation schemes such as UUID, database auto‑increment, Redis counters, and the Snowflake algorithm, details the Snowflake structure and Java implementation, and reviews open‑source components like Meituan Leaf and Baidu UidGenerator.
This article introduces the PHP Composer package "jxlwqq/id-validator", detailing its capabilities to validate Chinese resident ID numbers, upgrade 15‑digit IDs to 18‑digit, generate synthetic IDs, retrieve detailed personal information, and explains installation, usage examples, and the structure of the returned data.
This article explains the need for globally unique identifiers in distributed systems, compares common ID generation schemes such as UUID, auto‑increment, Redis counters, and Snowflake, provides a Java implementation of the Snowflake algorithm, and reviews open‑source components like Meituan Leaf and Baidu UidGenerator.
This article introduces five open-source stock trading tools—funds, ZVT, QUANTAXIS, StockAnalysisSystem, and match-trade—detailing their authors, star counts, features, and repository links, offering developers practical resources to build or enhance their own trading applications.
This weekly roundup covers a Flash‑related railway incident, QQ’s browser‑history scanning, Apple’s WeChat‑compatible code, Elastic’s move to SSPL, AWS’s Elasticsearch fork, China’s GitHub alternative, RHEL’s free small‑business offer, a Windows 10 crash bug, IntelliJ IDEA’s 20‑year milestone, Visual Studio’s native WSL2 support, Brave’s IPFS support, Linux distributions dropping Chromium, a GDPR fine in Germany, the US revoking Intel‑Huawei supply licences, and Tencent’s defence of its data‑collection practice.
iMove is an open‑source low‑code tool for front‑end developers that visualizes business logic as flowcharts, compiles them into executable JavaScript (or other languages), supports online and local builds, automatic npm dependency resolution, and instant node testing, dramatically reducing UI‑logic coupling and maintenance cost.
Facing the challenge of building an open API platform, the author evaluates several open‑source documentation generators—GitBook, smart‑doc, Redoc, Knife4j, YAPI, apidoc, and ShowDoc—detailing their licenses, language, stars, features, pros, cons, and suitability for real‑time online docs.
This article presents a curated list of twelve beginner‑friendly Docker projects, each with its GitHub link, star and fork counts, and a brief description of its functionality, ranging from container monitoring and CI/CD to lightweight chat systems and image‑size optimization tools.
This article outlines practical principles for selecting microservice technologies and compares popular open‑source frameworks—including Dubbo, Spring Cloud, Zuul, Traefik, OpenResty, Kong, Apollo and Nacos—covering their features, use‑cases, and deployment considerations to help teams make informed architectural decisions.
This article explains the need for globally unique identifiers in distributed systems, compares common generation schemes such as UUID, database auto‑increment, Redis counters, and Snowflake, and reviews open‑source implementations like Meituan Leaf and Baidu UidGenerator with a Java Snowflake example.
This article introduces Xrkmonitor, a Chinese open‑source monitoring platform that combines point monitoring, log collection, data visualization, and alerting, and provides detailed advantages, featured functions, online and offline deployment guides, and the underlying technology stack.
This interview explores how Roy, a graduate student and new maintainer of the Open Application Model (OAM) project, leveraged open‑source collaboration, documentation work, community communication, and hands‑on learning to grow his expertise and help shape the future of cloud‑native application management.
This article examines the various types of low‑code platforms, their origins, key architectural and operational considerations, and explains why they empower professional developers rather than replace them, offering guidance on selecting the right solution for complex enterprise projects.
This article presents a comprehensive, categorized collection of open‑source workflow engines and BPM tools—including Airflow, Argo, Cadence, Zeebe, and many others—describing their primary features, typical use cases, and recommendations for different orchestration scenarios.
Discover eleven easy-to-use Docker projects, each with a brief description, GitHub link, and popularity metrics, that help newcomers quickly practice containerization, explore real-world use cases, and deepen their understanding of Docker's capabilities across development and operations.
This article introduces seven open‑source projects that demonstrate frontend‑backend separation using technologies such as Vue, Angular, React, SpringBoot, and SpringCloud, providing practical examples and resources for developers to deepen their full‑stack development skills.
This article introduces CIM, an open‑source real‑time messaging system built on Mina or Netty that supports WebSocket, Android, iOS, desktop and embedded clients, explains its architecture, core modules, directory layout, and showcases console, Android and web demos.
This article systematically explains monitoring fundamentals, the seven core functions of a monitoring system, proper usage practices, common monitoring objects and metrics, the basic data flow, and provides detailed comparisons of three popular open‑source solutions—Zabbix, Open‑Falcon, and Prometheus—to guide informed selection decisions.
This tutorial walks you through installing Didi's open‑source Nightingale operations platform using Docker, covering code retrieval, Docker‑Compose setup, node configuration, systemd service creation, and accessing the web UI to manage resources, jobs, and monitoring dashboards.
Learn how to install and use Lynis, the open-source Linux security auditing tool, to perform comprehensive system scans, examine groups like kernel and firewalls, interpret reports, and automate vulnerability detection on CentOS 8, empowering administrators to strengthen server defenses.
This article presents a curated collection of open‑source GitHub projects that faithfully replicate major mobile applications—including WeChat, YouTube, NetEase Cloud Music, Bilibili, and Weibo—providing both iOS and Android versions, repository links, and screenshots to help developers practice and learn from real‑world codebases.
Microservice architecture blends SOA, componentization, and domain modeling, and today a variety of open‑source frameworks—such as Spring Cloud, Eclipse MicroProfile, Dubbo, Tars, Helidon, SOFAStack, gRPC, Thrift, and brpc—along with leading Service Mesh solutions like Linkerd, Envoy, Istio, and Conduit, empower developers to build scalable, cloud‑native applications.
Spug is an open‑source, agent‑less automation operations platform designed for small‑to‑medium enterprises, offering host management, batch command execution, online terminals, file transfer, application deployment, task scheduling, configuration, monitoring and alerting, with easy Docker installation and a rich web UI.
This article explains the mathematical formulation of optimization problems, distinguishes continuous and combinatorial cases, describes how optimization software interacts with user‑defined functions, and provides extensive categorized lists of free, open‑source, proprietary, and academic‑use optimization tools.
Cartoonize is an open‑source web application that leverages a white‑box GAN model to convert images and short videos into high‑quality cartoon style, offering easy Docker or virtualenv installation, detailed usage instructions, and insights into the underlying research paper.
The article explains how the widespread use of third‑party open‑source components creates a large, often overlooked attack surface, describes the fragmented nature of vulnerability information, and reviews a variety of tools that help organizations detect and manage security risks in their software dependencies.
Linux developers, led by Linus Torvalds, have approved a proposal to replace racially sensitive terms like master/slave and blacklist/whitelist with neutral alternatives, reflecting a broader industry move toward inclusive language in code and documentation.
This roundup covers the CNCF Harbor graduation, a delayed Kubernetes 1.19 release, a critical kube‑controller‑manager SSRF vulnerability, the introduction of the CloneSet CRD, fixes for managed fields, packet‑unmarking in kubelet/kube‑proxy, topology‑aware scheduling, new accelerator metrics, plus highlights on Cilium and OpenYurt.
This tutorial walks you through creating a match‑box‑sized NFC‑enabled smart card that consolidates employee badges, access cards and cafeteria cards, detailing hardware selection, PCB design, firmware, e‑ink screen handling, and open‑source resources for a compact, multifunctional device.
This guide explains how to install the howdoi command‑line utility, use its natural‑language queries to retrieve Linux command tutorials, and leverage options for multiple answers, verbose output, and custom queries, all with a few simple shell commands.
The article examines the recent push to rename Git's default "master" branch to "main", exploring the motivations behind the change, community reactions, potential impacts on existing projects, and the broader discussion about terminology in software development.
This guide explains how to set up and operate a free open‑source OCR‑based translator that captures on‑screen text from videos, games, or PDFs, registers the required Baidu AI API keys, configures translation sources, and demonstrates its performance on real content.
This guide introduces BaiduPCS‑Go, a cross‑platform command‑line client for Baidu Cloud that bypasses speed limits, outlines its key features, shows how to download and run it on Windows, and also recommends the web‑based BaiduPCS‑Web alternative with installation steps and usage tips.
This comprehensive guide explains why monitoring is essential for reliable operations, outlines clear monitoring objectives, walks through practical monitoring methods, compares popular open‑source tools, details a Zabbix‑based workflow, and lists key hardware, system, application, network, security, API, performance, and business metrics to track.
This guide walks engineers through the entire openEuler contribution journey, covering legal compliance, open‑source licensing, four participation methods, website navigation, issue and pull‑request workflows, package creation, SIG organization, and practical tips for successful community involvement.
This guide explains why monitoring is essential for the entire operations lifecycle, outlines key monitoring objectives, describes practical methods and workflows, reviews a range of open‑source tools (including Zabbix, MRTG, Ganglia, Nagios, Smokeping, OpenTSDB), and details metric categories such as hardware, system, application, network, log, security, API, performance and business monitoring.
Spring has announced a community‑driven Spring Authorization Server project to fill the gap left by the outdated Spring Security OAuth, aiming to provide modern OAuth support within the Spring ecosystem and inviting contributors to help it succeed.
This article introduces seven popular open‑source projects—including NiceFish, V‑Blog, and Paascloud—that demonstrate front‑end/back‑end separation using technologies like Spring Boot, Vue, Angular, and React, providing practical examples for developers to deepen their full‑stack skills.
This weekly newsletter summarizes the latest DBLE, DTLE, and TXLE open‑source middleware updates, including new feature developments, bug fixes, community‑submitted articles on MySQL topics, and upcoming plans, while inviting community feedback and participation.
Yearning is an open‑source MySQL SQL audit platform that offers query auditing, workflow‑driven review, execution, rollback, fine‑grained permission control and notification integrations, with detailed installation steps and a public Gitee repository for easy deployment.
GitHub CLI (gh) is a cross‑platform command‑line tool that lets developers clone repositories, filter issues, manage pull requests, create branches, and monitor PR status directly from the terminal, streamlining open‑source contributions on macOS, Windows, and Linux.
This article highlights eight promising open‑source projects—including front‑end frameworks like Gatsby and Next.js, back‑end solutions such as Spring Security and Elasticsearch, and essential DevOps tools like Prometheus and Kubernetes—offering developers a curated guide to technologies poised for widespread adoption in 2020.
