Cool GitHub repositories

🧠 20 GitHub Repos That Expose What Tutorials Never Taught You You can build a to-do app in five frameworks and still not know how a database index works. These repos close that gap. 1. computer-science A full self-taught CS degree curriculum, for anyone who skipped college or forgot what they learned. 2. the-book-of-secret-knowledge A huge stash of tools, tricks, and one-liners that experienced devs pick up over years, all in one place. 3. system-design-primer Breaks down how the apps you use every day handle millions of users behind the scenes. 4. build-your-own-x Walks you through building your own Git, Docker, or database, so the tools you use daily stop feeling like black boxes. 5. linux-insides A gentle, detailed walkthrough of how the Linux kernel actually works under the hood. 6. professional-programming Covers everything tutorials skip: engineering practices, architecture, and how real teams ship code. 7. project-based-learning A list of real projects to build, for when tutorial hell starts feeling too comfortable. 8. you-dont-know-js JavaScript fundamentals most developers using JS every day have never actually learned. 9. CS-Notes Clear, structured notes on algorithms, operating systems, networking, and databases in one repo. 10. the-algorithms Classic algorithms and data structures implemented in almost every language, good for understanding rather than memorizing. 11. free-programming-books Thousands of free books covering the fundamentals no bootcamp has time for. 12. developer-roadmap Visual maps of what "knowing" a certain stack really involves, useful when you're not sure what you're missing. 13. system-design-101 Visual explanations of system design concepts, built for people who learn by seeing. 14. coding-interview-university A study plan built around filling CS gaps, which happens to also prepare you for interviews. 15. awesome-selfhosted A list of services you can run yourself, good for anyone who's only ever read about infrastructure. 16. realworld The same production app built in dozens of frameworks, so you can compare how they actually differ. 17. public-apis Free APIs to build against real, messy data instead of another seeded dummy database. 18. first-contributions A guided first pull request, for anyone too intimidated to touch someone else's codebase. 19. awesome The master list of curated resources. When you don't know what you don't know, start here. 20. 30-seconds-of-code Short, sharp snippets that teach patterns instead of just giving you copy-paste answers. ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ 👉 Join @bigdataspecialist for more 👈

free-for-dev Developers and Open Source authors now have many services offering free tiers, but finding them all takes time to make informed decisions. This is a list of software (SaaS, PaaS, IaaS, etc.) and other offerings with free developer tiers. The scope of this particular list is limited to things that infrastructure developers (System Administrator, DevOps Practitioners, etc.) are likely to find useful. Creator: ripienaar Stars ⭐️: 128,000 Forked by: 13,339 Github Repo: https://github.com/ripienaar/free-for-dev ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

CasaOS CasaOS is a personal cloud that would provide a low-cost data collaboration solution as a personal data center, storing and managing data for creators and small organizations. It could also control and connect all smart devices, providing cross-ecosystem local intelligent services. Furthermore, the personal cloud could combine personal data to train personalized AI assistants. Creator: IceWhaleTech Stars ⭐️: 36,100 Forked by: 2,100 Github Repo: https://github.com/IceWhaleTech/CasaOS ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

hiring-without-whiteboards A list of companies (or teams) that don't have a broken hiring process. The companies and teams listed here use interview techniques and questions that resemble day-to-day work. Creator: poteto Stars ⭐️: 51,200 Forked by: 3,903 Github Repo: https://github.com/poteto/hiring-without-whiteboards ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

Spec Kit Github introduced Spec Kit, An open source toolkit that allows you to focus on product scenarios and predictable outcomes instead of vibe coding every piece from scratch Creator: github Stars ⭐️: 122,000 Forked by: 10,800 Github Repo: https://github.com/github/spec-kit ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

superset Superset is a modern data exploration and data visualization platform. It provides A no-code interface for building charts quickly, A powerful, web-based SQL Editor for advanced querying, A wide array of beautiful visualizations to showcase your data, Highly extensible security roles and authentication options, An API for programmatic customization, and so much more. Creator: apache Stars ⭐️: 73,475 Forked by: 17,699 Github Repo: https://github.com/apache/superset ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

iroh Iroh gives you an API for dialing by public key. You say “connect to that phone”, iroh will find & maintain the fastest connection for you, regardless of where it is. IP addresses break, dial keys instead. Creator: n0-computer Stars ⭐️: 10682 Forked by: 488 Github Repo: https://github.com/n0-computer/iroh ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

systeminformer A free, powerful, multi-purpose tool that helps you monitor system resources, debug software and detect malware. Creator: winsiderss Stars ⭐️: 15,179 Forked by: 1,738 Github Repo: https://github.com/winsiderss/systeminformer ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

presidio Presidio an open-source framework for detecting, redacting, masking, and anonymizing sensitive data (PII) across text, images, and structured data. It provides fast identification and anonymization modules for private entities in text such as credit card numbers, names, locations, social security numbers, bitcoin wallets, US phone numbers, financial data and more. Supports NLP, pattern matching, and customizable pipelines. Creator: microsoft Stars ⭐️: 9,600 Forked by: 1,200 Github Repo: https://github.com/microsoft/presidio ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

🚀 Build products faster with ready-to-use Web Data APIs Introducing CoreClaw — a platform that helps developers collect structured data without building and maintaining scrapers. ✨ What you can do: ✅ Google Maps data extraction ✅ Instagram posts & comments scraping ✅ YouTube data collection ✅ Amazon & LinkedIn data APIs ✅ JSON / CSV structured output ✅ API & no-code workflows Stop spending time maintaining scrapers. Start building with reliable data. 🔗 Try CoreClaw Free—>https://coreclaw.com

LibreTranslate Free and Open Source Machine Translation API. Self-hosted, offline capable and easy to setup. Unlike other APIs, it doesn't rely on proprietary software such as Google or Azure to perform translations. Instead, its translation engine is powered by the open source Argos Translate library. Creator: LibreTranslate Stars ⭐️: 15,211 Forked by: 1,553 Github Repo: https://github.com/LibreTranslate/LibreTranslate ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

Beatsync A web app that turns any group of phones, laptops, and tablets into a perfectly synchronized speaker system. It provides a millisecond-accurate audio playback across every device in the room using NTP-inspired time sync. Includes spatial audio controls so you can literally place sound sources around your space. Self-hostable and genuinely magical at a party. Creator: freeman-jiang Stars ⭐️: 3,000 Forked by: 276 GitHub Repo: https://github.com/freeman-jiang/beatsync #Audio #WebApp #CreativeTools ➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

blackbird Blackbird is an OSINT tool to search for accounts by username and email in social networks. It combines fast username and email searches across more than 600 platforms with free AI-powered profiling. Features include smart filters, polished PDF/CSV exports, and fully automated analysis. All from a single CLI. Creator: p1ngul1n0 Stars ⭐️: 6,561 Forked by: 737 Github Repo: https://github.com/p1ngul1n0/blackbird ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

🐧 20 Top Linux-related GitHub Projects 1. Linux The official Linux kernel source code maintained by Linus Torvalds. The foundation of most Linux operating systems. 2. Oh My Zsh A community-driven framework that makes the Zsh shell more powerful with themes and thousands of plugins. 3. The Art of Command Line A practical guide packed with useful command-line tips and best practices for Linux users. 4. yt-dlp A feature-rich command-line tool for downloading videos and audio from YouTube and hundreds of other websites. 5. Neovim A modern, extensible fork of Vim with improved performance, built-in LSP support, and a rich plugin ecosystem. 6. fzf A blazing fast fuzzy finder that lets you instantly search files, command history, Git branches, and more. 7. ripgrep An extremely fast recursive search tool that outperforms traditional grep for searching code and text. 8. tldr-pages Community-maintained cheat sheets that provide simple, practical examples for thousands of terminal commands. 9. bat A modern replacement for cat with syntax highlighting, Git integration, and line numbers. 10. tmux A terminal multiplexer that lets you run and manage multiple terminal sessions from a single window. 11. Helix A modern modal text editor built with speed, multiple selections, and native Language Server Protocol support. 12. fd A simple, user-friendly, and much faster alternative to the traditional find command. 13. curl A powerful command-line tool and library for transferring data over HTTP, HTTPS, FTP, and many other protocols. 14. Vim The classic and highly customizable text editor used by developers and system administrators for decades. 15. Pure Bash Bible A collection of Bash techniques that replace common external commands using pure Bash. 16. Linux Insides A free online book explaining how the Linux kernel works from the inside. 17. fish Shell A smart, user-friendly command-line shell with autosuggestions, syntax highlighting, and sensible defaults. 18. btop A beautiful terminal-based system monitor for CPU, memory, disks, processes, and network usage. 19. Proton Valve's compatibility layer that lets Windows games run on Linux through Steam. 20. OpenSSL The industry-standard toolkit for SSL/TLS encryption, cryptography, and secure network communication. 💡 Save this list if you're learning Linux or want to level up your command-line workflow.

qlib Qlib is an open-source, AI-oriented Quant investment platform that aims to use AI tech to empower Quant Research, from exploring ideas to implementing productions. Qlib supports diverse machine learning modeling paradigms, including supervised learning, market dynamics modeling, and reinforcement learning. Creator: microsoft Stars ⭐️: 45,118 Forked by: 7,180 Github Repo: https://github.com/microsoft/qlib ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

tinacms Tina is a fully open-source headless content management system with support for Markdown, MDX, JSON, YAML, and Visual Editing. Creator: tinacms Stars ⭐️: 13, 576 Forked by: 724 Github Repo: https://github.com/tinacms/tinacms ➖➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

🚀 #Cisco Certification Roadmap Starts Now! Ready to build a stronger future in networking and IT? 🌐 Whether you’re just starting your networking journey or preparing for advanced certifications like #CCNA #CCNP #CCIE, now is the perfect time to upgrade your skills and move closer to becoming a certified network professional! 🔥 🎯 What You’ll Receive: ✅ Cisco Certification Learning Roadmaps ✅ Network Lab Practice Guides ✅ Cisco CLI Command Cheat Sheets ✅ Study Notes & Learning Resources ✅ Realistic Practice Questions ✅ Exam Preparation Strategies ✅ Career Growth Tips for Network Engineers 🎁 FREE Cisco Starter Resources: 🔗 CCNA Beginner Learning Pack: https://bit.ly/4vQJeGd 🔗 CCIE Preparation Checklist: https://bit.ly/4f8YcQO 📩 Want to receive the complete Cisco learning package? Leave your email and get access to: ✔️ Cisco study materials ✔️ Networking lab resources ✔️ Certification updates ✔️ Expert learning tips ✔️ Exclusive training announcements 📩 To receive all FREE Cisco materials directly in your inbox: wa.link/cedqoq 📲 Join our Cisco networking community: https://chat.whatsapp.com/GnD5od5Z10uJ9Z8nx3qCtQ 🌟 Community Benefits: ✔️ Discuss Cisco technologies with other learners ✔️ Share study resources and experiences ✔️ Get the latest certification news ✔️ Discover efficient learning methods ✔️ Access future training opportunities ⚡️ Thousands of learners are building their networking careers step by step. Start your Cisco certification journey today! 🚀 #Cisco #CCNA #CCNP #CCIE #Networking #NetworkEngineer #ITCareer #CyberSecurity

OpenBB A fully open-source financial data platform built as the AGPL-licensed alternative to the Bloomberg Terminal. It pulls stock, options, crypto, and macroeconomic data from dozens of sources into Python, Excel, or an AI agent via MCP. It is built for analysts and quants who want a serious research stack without the seat-license tax. Creator: OpenBB-finance Stars ⭐️: 69,400 Forked by: 7,000 GitHub Repo: https://github.com/OpenBB-finance/OpenBB #Finance #DataAnalytics #OpenSource ➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group

💼 20 GitHub Repositories to Help You Get Hired 1. coding-interview-university A complete self-study roadmap originally created to prepare for Google software engineering interviews. 2. awesome-interview-questions A curated collection of technical interview questions across dozens of programming languages and technologies. 3. system-design-primer One of the best resources for mastering system design interviews at top tech companies. 4. build-your-own-x Learn by building your own database, operating system, Git, Docker, Redis, and dozens of other technologies. 5. developer-roadmap Interactive roadmaps showing exactly what to learn for frontend, backend, DevOps, AI, cybersecurity, and more. 6. project-based-learning Learn programming by building real projects instead of following endless tutorials. 7. app-ideas Hundreds of project ideas ranging from beginner to advanced to strengthen your portfolio. 8. public-apis A massive collection of free APIs you can use to build real-world portfolio projects. 9. free-programming-books Thousands of free programming books, courses, and learning resources in multiple languages. 10. first-contributions A step-by-step guide that teaches you how to make your first pull request. 11. frontend-practice Practice rebuilding real company websites to improve your frontend development skills. 12. Frontend Mentor Challenges Realistic UI challenges that help you build an employer-ready frontend portfolio. 13. awesome-resume A professional, ATS-friendly resume template widely used by software engineers. 14. The Algorithms A huge collection of algorithms and data structures implemented in dozens of programming languages. 15. Tech Interview Handbook Covers coding interviews, behavioral interviews, resume tips, salary negotiation, and more. 16. awesome The original Awesome list containing thousands of carefully curated developer resources. 17. realworld Build the same production-grade application in different frameworks to learn industry architecture. 18. awesome-for-beginners Find beginner-friendly open source projects to make your first GitHub contributions. 19. awesome-cheatsheets A collection of programming and DevOps cheat sheets for quick reference during development. 20. Awesome Job Boards A curated collection of the best tech job boards, including remote, startup, and developer-focused hiring platforms. 💻Master these repositories, build projects from them, contribute to open source, and you'll have both the skills and portfolio that recruiters actually look for.

Sherlock A tool that hunt down social media accounts by username across social network. It searches over 400 social media platforms, forums, and websites to check whether a given username has registered accounts. It was originally built for security researchers, journalists, and digital-footprint awareness. Creator: sherlock-project Stars ⭐️: 85,100 Forked by: 10,000 GitHub Repo: https://github.com/sherlock-project/sherlock #Security #OSINT #Privacy ➖➖➖➖➖➖➖➖➖➖➖➖➖ Join @github_repositories_bds for more cool repositories. This channel belongs to @bigdataspecialist group