Cool GitHub repositories

Ventoy

Ventoy is an open source tool to create bootable USB drive for ISO/WIM/IMG/VHD(x)/EFI files. With Ventoy, you don't need to format the disk over and over, just copy the image files to the USB drive and boot them. You can copy many image files at a time and Ventoy will give you a boot menu to select them.

Creator: ventoy
Stars ⭐️: 77,728
Forked by: 4,850

Github Repo:
https://github.com/ventoy/Ventoy

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siyuan

A privacy-first, self-hosted, fully open source personal knowledge management software, written in typescript and golang.

Creator: siyuan-note
Stars ⭐️: 44,844
Forked by: 2,853

Github Repo:
https://github.com/siyuan-note/siyuan

#KnowledgeManagement
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mbedtls

An open source, portable, easy to use, readable and flexible TLS library, and reference implementation of the PSA Cryptography API. Releases are on a varying cadence, typically around 3 - 6 months between releases.

Creator: Mbed-TLS
Stars ⭐️: 6,759
Forked by: 2,915

Github Repo:
https://github.com/Mbed-TLS/mbedtls

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UniGetUI

UniGetUI is the Graphical Interface for your package managers. Could be terribly described as a package manager manager to manage your package managers

Creator: Devolutions
Stars ⭐️: 24,845
Forked by: 847

Github Repo:
https://github.com/Devolutions/UniGetUI

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starter-workflows

These are the workflow files for helping people get started with GitHub Actions. They're presented whenever you start to create a new GitHub Actions workflow.

Creator: actions
Stars ⭐️: 11,759
Forked by: 7,138

Github Repo:
https://github.com/actions/starter-workflows

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VeraCrypt

Disk encryption with strong security based on TrueCrypt

Creator: veracrypt
Stars ⭐️: 10,679
Forked by: 1,239

Github Repo:
https://github.com/veracrypt/VeraCrypt

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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

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🧠 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.


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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

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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

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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

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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

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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

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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

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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

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🚀 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

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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
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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

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🐧 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.