Comprehensive CS fundamentals repository designed for technical interview preparation. Covers 146+ topics across Networking, DBMS, OOP/Java, Operating Systems, and REST APIs with practical examples, visual diagrams, and interview questions. Perfect for students, professionals, and career changers preparing for tech interviews

Generate vector graphic (SVG) diagrams of a tech ecosystem, using logos from each tool organised into groups around a central logo

:checkered_flag:​ 全端技术-核心知识点-底层原理(源码) 归纳总结图(drawio) Fullstack-core tech-summary based of drawio

👨‍💻 Docs, Notes, Diagrams, and Write-ups for my Tech Work & IT Certifications.

This Repository contains the documentation, code files, readme files, diagrams and video demonstration related to the Tech-Triathlon hackathon organized by Rootcode.

Introduction Metaverse is the next evolution of digital technologies. It includes 3D virtualization and will transform digital technologies in the next 5-10 years. Elements of a Metaverse are considered very important related to industry 4.0. Metaverse will have numerous technologies comprising the below: Digital currency Online shopping Workplace automation Social media Digital Humans Natural Language Processing Infrastructure Device independence In this article, we would understand what Metaverse is and what are its different elements? Description Metaverse is a combined virtual space. It is made by the convergence of virtually improved physical and digital reality. We can also say that it is device-free and is not owned by a single seller. Metaverse is known as an independent virtual economy. It is allowed by digital currencies and non-fungible tokens (NFTs). It characterizes a combinatorial innovation because it needs many technologies and trends to function. The following are contributing tech capabilities: Augmented reality (AR) Flexible work styles Head-mounted displays (HMDs) An AR cloud The Internet of Things (IoT) 5G Artificial intelligence (AI) Spatial technologies For better understanding, the concepts of a Metaverse, consider it as the next version of the Internet. That begins as separate bulletin boards and independent online destinations. In the long run, these destinations developed sites on a virtual shared space same as how a Metaverse would develop. Importance of the Metaverse There is a lot of exhilaration around Metaverse. Greatly of it driven by technology companies tactically claiming to be Metaverse companies. Similarly, Metaverse creates to improve or augment the digital and physical realities of people. Furthermore, deeds that now happen in siloed locations will finally occur in a single Metaverse, for example: Buying clothes and fittings for online avatars Business digital land and building virtual homes Take part in a virtual social experience Supermarkets run in virtual malls through immersive commerce With virtual classrooms to practice immersive learning Purchasing digital art, breakables, and assets (NFTs) Networking with digital humans for onboarding business connections It is likely that a Metaverse will make available determined, decentralized, joint, and interoperable opportunities. It will create the business models, which will allow organizations to extend digital business. Elements of a Metaverse Gartner is a technology research and consulting company. It described the elements of a Metaverse in the below diagram. Elements of a Metaverse Applications Virtual reality The social network company Facebook launched a social VR world named Facebook Horizon in 2019. Facebook chairman Mark Zuckerberg confirmed in 2021, a company pledged to develop a metaverse. Several VR technologies promoted by Meta Platforms remain to be developed. Microsoft developed the VR Company AltspaceVR in 2017. Microsoft has since applied metaverse features for example virtual avatars and meetings thought in virtual reality into Microsoft Teams. Future implementations for metaverse technology comprise refining work output, shared learning environments, e-commerce, real estate, and fashion. Video games Many works of metaverse technologies have by now been developed inside modern internet-enabled video games. The Second Life is combined several features of social media into a determined three-dimensional world with the user signified as an avatar. Social functions are repeatedly an integral story in many hugely multiplayer online games. Social-based gameplay of Minecraft characterizes an innovative analog of a metaverse. Hardware Technology Entrance points for metaverse comprise general-purpose computers and smartphones. Also, included augmented reality (AR), mixed reality, virtual reality (VR), and virtual world technologies. Need on VR technology has limited metaverse growth and wide-scale acceptance. Limits of moveable hardware and the requirement to balance cost and design have produced a deficiency of high-quality graphics and mobility. Lightweight wireless headsets have fought to attain the retina display pixel density required for visual immersion. Present hardware development is dedicated to choking limitations of VR headsets, sensors, and growing immersion with haptic technology. Software Technology There has been nothing for wide-scale acceptance of a uniform technical requirement for metaverse applications. Current applications depend chiefly on proprietary technology. Interoperability is the main anxiety in metaverse development. There have been a number of virtual environment standardization projects. Metaverse is known as a three-dimensional Internet that is occupied with live people. The technology company NVIDIA declared in 2021 they will accept USD for their metaverse development tools. The OpenXR is an open standard for entree into virtual and augmented reality plans and involvements. It has been accepted by Microsoft for HoloLens 2, Meta Platforms for the Oculus Quest, and Valve for SteamVR. For more details visit: https://www.technologiesinindustry4.com

RepoViz is an interactive GitHub repository visualizer that turns any repo URL into a dynamic, node-based graph. Explore project structure, dependencies, and tech stack at a glance. Customize layouts, toggle files/folders, and export beautiful diagrams for documentation or team collaboration.

Introduction Metaverse is the next evolution of digital technologies. It includes 3D virtualization and will transform digital technologies in the next 5-10 years. Elements of a Metaverse are considered very important related to industry 4.0. Metaverse will have numerous technologies comprising the below: Digital currency Online shopping Workplace automation Social media Digital Humans Natural Language Processing Infrastructure Device independence In this article, we would understand what Metaverse is and what are its different elements? Description Metaverse is a combined virtual space. It is made by the convergence of virtually improved physical and digital reality. We can also say that it is device-free and is not owned by a single seller. Metaverse is known as an independent virtual economy. It is allowed by digital currencies and non-fungible tokens (NFTs). It characterizes a combinatorial innovation because it needs many technologies and trends to function. The following are contributing tech capabilities: Augmented reality (AR) Flexible work styles Head-mounted displays (HMDs) An AR cloud The Internet of Things (IoT) 5G Artificial intelligence (AI) Spatial technologies For better understanding, the concepts of a Metaverse, consider it as the next version of the Internet. That begins as separate bulletin boards and independent online destinations. In the long run, these destinations developed sites on a virtual shared space same as how a Metaverse would develop. Importance of the Metaverse There is a lot of exhilaration around Metaverse. Greatly of it driven by technology companies tactically claiming to be Metaverse companies. Similarly, Metaverse creates to improve or augment the digital and physical realities of people. Furthermore, deeds that now happen in siloed locations will finally occur in a single Metaverse, for example: Buying clothes and fittings for online avatars Business digital land and building virtual homes Take part in a virtual social experience Supermarkets run in virtual malls through immersive commerce With virtual classrooms to practice immersive learning Purchasing digital art, breakables, and assets (NFTs) Networking with digital humans for onboarding business connections It is likely that a Metaverse will make available determined, decentralized, joint, and interoperable opportunities. It will create the business models, which will allow organizations to extend digital business. Elements of a Metaverse Gartner is a technology research and consulting company. It described the elements of a Metaverse in the below diagram. Elements of a Metaverse Applications Virtual reality The social network company Facebook launched a social VR world named Facebook Horizon in 2019. Facebook chairman Mark Zuckerberg confirmed in 2021, a company pledged to develop a metaverse. Several VR technologies promoted by Meta Platforms remain to be developed. Microsoft developed the VR Company AltspaceVR in 2017. Microsoft has since applied metaverse features for example virtual avatars and meetings thought in virtual reality into Microsoft Teams. Future implementations for metaverse technology comprise refining work output, shared learning environments, e-commerce, real estate, and fashion. Video games Many works of metaverse technologies have by now been developed inside modern internet-enabled video games. The Second Life is combined several features of social media into a determined three-dimensional world with the user signified as an avatar. Social functions are repeatedly an integral story in many hugely multiplayer online games. Social-based gameplay of Minecraft characterizes an innovative analog of a metaverse. Hardware Technology Entrance points for metaverse comprise general-purpose computers and smartphones. Also, included augmented reality (AR), mixed reality, virtual reality (VR), and virtual world technologies. Need on VR technology has limited metaverse growth and wide-scale acceptance. Limits of moveable hardware and the requirement to balance cost and design have produced a deficiency of high-quality graphics and mobility. Lightweight wireless headsets have fought to attain the retina display pixel density required for visual immersion. Present hardware development is dedicated to choking limitations of VR headsets, sensors, and growing immersion with haptic technology. Software Technology There has been nothing for wide-scale acceptance of a uniform technical requirement for metaverse applications. Current applications depend chiefly on proprietary technology. Interoperability is the main anxiety in metaverse development. There have been a number of virtual environment standardization projects. Metaverse is known as a three-dimensional Internet that is occupied with live people. The technology company NVIDIA declared in 2021 they will accept USD for their metaverse development tools. The OpenXR is an open standard for entree into virtual and augmented reality plans and involvements. It has been accepted by Microsoft for HoloLens 2, Meta Platforms for the Oculus Quest, and Valve for SteamVR.

A small repository with examples of useful types of diagrams commonly used by tech teams

B Tech Project, using Generative AI to generate flow diagram from Chemical Engineering Process description as an input

An e-learning tool for teaching relational database tech to students 18+. Built on MongoDB, the app covers key topics like document databases, scaling, and ER diagrams. Focuses on robust database layer design.

🚀 This repo covers Week 01 of MAANG-level System Design prep. Dive into key concepts like scalability, load balancing, caching, CAP theorem, and database choices. Includes real-world examples, diagrams, and interview insights to build a strong foundation for top tech interviews.

Turn a single prompt into a complete system architecture. ArchAgent is a multi-agent AI pipeline that takes your project idea and outputs a production-ready architecture document, tech stack decisions with reasoning, cost estimations, and a visual system diagram — all in seconds.

Tech Stack Diagram

This repo consists of all the open source work of all the Technical diagrams for a data engineer/Scientist or any other technical person

Диаграммы для презентаций по предмету Современные Технологии Производства Электронных Средств

Diagrams detailing how various processes work in Vibrato Notes

Automatically generates Mermaid diagrams from written drafts using OpenAI GPT-4o or Google Gemini. Fine-tune diagrams with precision using a visual editor, then beautify them with DALL-E 3 or Imagen 3 AI. This hybrid workflow combines version-controlled code with professional design aesthetics, fully automated via GitHub Actions.

Write tech articles, scripts, and use Eraser.io AI API to add diagrams!

AirQ-Tech-Diagram (Proyecto Curso Telefonica Big Data)

IXOlist-Tech-IT-Field-Software-Code-Diagram-Bank-BP-Structurizr-Workspace-JSON--src

ArchGen AI generates interactive architecture diagrams from text and automatically produces complete technical documentation, including recommended tech stack, security, scalability and cost insights.

Learn Cursor fast: structured tutorials, Mermaid diagrams, and production-style configs for Rules, AGENTS.md, MCP, and automation patterns. Maintained by Evoveo Tech.

WriterFlow is a real-time collaborative writing and diagramming platform with AI-assisted workflows, live at https://pruthvi.tech.

A diagram showing a minimum viable organisation (MVO). Hopefully useful to those starting out in tech business or looking to scale up.

Performed SWOT Analysis on the indian ed-tech firm Byju's. Used ER diagram hierarchy to solve and perform SQL query operations.

This project represents a boilerplate setup that enables users to store and preview their PlantUML diagrams on Git using GitPages and GitBook. More info: https://medium.com/takeaway-tech/how-to-store-showcase-software-documentation-fe536e744b6f

This is a detailed report that I have submitted to my internship mentor, Assistant Professor Pritibala Patel. It details my entire internship work, projects, and contributions at Adri IT Solutions: Tech Stacks, Detailed Project Work, UML Diagrams, and more.

🔍 Blueprints - Intelligent codebase analyzer that automatically detects tech stack, visualizes API flows, and maps project architecture. Upload any project, get instant insights into frontend/backend frameworks, databases, dependencies, and complete API route diagrams. Built with React + Express + PostgreSQL.

An AI architecture and diagram builder for product teams ArchDock turns either (1) a GitHub repository or (2) a plain English idea into a clear system design. It outputs a practical architecture plan, an opinionated tech stack, tradeoffs, and a high quality diagram that matches the target scale and constraints.