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AddCUBE CSS is a CSS methodology that’s orientated towards simplicity, pragmatism and consistency. It’s designed to work with the medium that you’re working in—often the browser—rather than against it.
A Cloud Native Distributed Storage System.
CubeFS is a new generation cloud-native open source storage system that supports access protocols such as S3, HDFS, and POSIX. It is widely applicable in various scenarios such as big data, AI/LLMs, container platforms, separation of storage and computing for databases and middleware, data sharing and protection，etc.
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Empowering your AI Agents. Instant, Concurrent, Secure & Lightweight Sandbox Service for AI Agents.
Cube Sandbox is a high-performance, out-of-the-box secure sandbox service built on RustVMM and KVM. It supports both single-node deployment and easy scaling to multi-node clusters. It is compatible with the E2B SDK and can create a hardware-isolated, fully serviceable sandbox in under 60ms with less than 5MB of memory overhead.
The Official Web Site for Cubic (Custom Ubuntu ISO Creator).
Cubic permits effortless navigation through the ISO customization steps and features an integrated virtual command line environment to customize the Linux file system. You can create new customization projects or modify existing projects. Important parameters are dynamically populated with intelligent defaults to simplify the customization process.
Command-line URL Checker (and notifier).
CUC (English pronunciation: [cuc] / λευκός) is a very simple CLI tool to check various HTTP status for example if a webpage is available (200) or not found (404).
Malware analysis tool. Cuckoo3 is a Python 3 open source automated malware analysis system.
Cuckoo3 is an open-source tool to test suspicious files or links in a controlled environment. It will test them in a sandboxed platform emulator(s) and generate a report, showing what the files or websites did during the test.
A reproducible Windows CUDA compatibility stack for AMD GPUs, built around ZLUDA + AMD ROCm/HIP.
Run CUDA-targeted Windows applications on AMD hardware, verify that work really reaches the GPU, and distinguish a correct result from a crash, timeout, CPU fallback, or silently wrong tensor.
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CudaText is a cross-platform text editor, written in Object Pascal. It is open source project and can be used free of charge, even for business. It starts quite fast: ~0.3 sec with ~30 plugins, on Linux on CPU Intel Core i3 3GHz. It is extensible by Python add-ons: plugins, linters, code tree parsers, external tools. Syntax parser is feature-rich, from EControl engine.
Configure Unify Execute. Validate, define, and use dynamic and text‑based data.
CUE makes it easy to validate data, write schemas, and ensure configurations align with policies.
CUE works with a wide range of tools and formats that you're already using such as Go, JSON, YAML, TOML, OpenAPI, Protobuf, and JSON Schema.
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Outil Javascript permettant l'utilisation de n'importe quelle police TTF dans un site Internet. L'affichage de la police se base sur Canvas.
Cufon plug-in directory for the most commonly used in the world you've made the font from which you access all the fonts cufon file.
Components crafted for Design Engineers. Ready-to-use components for your React apps. Shadcn compatible. Styled with tailwindcss. Copy and paste. Open Source. Typed.
Accessible and customizable components that you can copy and paste into your apps. Free. Open Source. Use this to build your own component library.
The easiest way to manage your container updates. Cup is a small utility with a big impact. Simplify your container management workflow with fast and efficient update checking, a full-featured CLI and web interface, and more.
A service to keep container images up-to-date. Made for Kubernetes and Docker..
Cupdate is a zero-config service that helps you keep your container images up-to-date. It automatically identifies container images in use in your Kubernetes cluster or on your Docker host. Cupdate then identifies the latest available version and makes this data and more available to you via a UI, API or through an RSS feed.
A local Apple Documentation crawler and MCP server. Written in Swift.
A Swift-based tool to crawl, index, and serve Apple's developer documentation to AI agents via the Model Context Protocol (MCP).
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NumPy & SciPy for GPU.
CuPy is a NumPy/SciPy-compatible array library for GPU-accelerated computing with Python. CuPy acts as a drop-in replacement to run existing NumPy/SciPy code on NVIDIA CUDA or AMD ROCm platforms.
Curated, community-vetted Claude Code plugin marketplace.
Trail of Bits' reviewed and approved Claude Code plugins. Every skill and marketplace here has been vetted for quality and safety.
We'll find the best stories from your friends and the brilliant people you follow and deliver them straight to your inbox.
A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET, TFTP, WS and WSS. libcurl offers a myriad of powerful features.
curl is used in command lines or scripts to transfer data. curl is also libcurl, used in cars, television sets, routers, printers, audio equipment, mobile phones, tablets, medical devices, settop boxes, computer games, media players and is the Internet transfer engine for countless software applications in over twenty billion installations.
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Convert curl commands to code. Convert curl commands to Python, JavaScript, PHP, R, Go, C#, Ruby, Rust, Elixir, Java, MATLAB, Dart, CFML, Ansible URI or JSON.
Curlew is an easy to use, Free and Open-Source Multimedia converter for Linux.
Curl wrapper for an open-source API testing client for open minds. If you like the interface of HTTPie but miss the features of curl, curlie is what you are searching for. Curlie is a frontend to curl that adds the ease of use of httpie, without compromising on features and performance. All curl options are exposed with syntax sugar and output formatting inspired from httpie.
URL to markdown for agents.
Turn websites into optimized, low token output to supercharge your context. Works with every agent.
Tailwind Utility Generator. No-build Tailwind. Get the CSS utilities you want. Nothing you don't.
Curlwind allows you to generate Tailwind stylesheets on demand to get only the CSS utilities you need. Generated stylesheets are cached indefinitely so your site stays fast.
Give Cursor Agent an AI Team and Advanced Skills
Custom Claude Code skills for infrastructure as code development.
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A quick tip about symfony's admin generator: if you want to have a custom action, with the following generator.yml bit for example (actions prefixed with an underscore are builtin admin-gen actions)
Tools for building custom lint rules.
💡 Easily write powerful Dart & Flutter lint rules for your projects or for users of your packages.
Edit videos, right in your browser
An AI-native, open-source video editor and free alternative to CapCut. No uploads, no tracking — your media stays on your device.
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Raspberry Pi, Untethered. CutiePi is a Raspberry Pi 4 tablet that turns your project into an untethered adventure. Build and create wherever an idea strikes you. No wires, no external power, and no strings attached.
DOM + jQuery for Canvas CutJS is a minimal JavaScript library for composing high-performance, dynamic and interactable 2D HTML5 graphics. It is inspired by DOM and jQuery with a new concept called pinning introduced instead of styling.
A dynamic programming language built entirely by Claude Code.
Cutlet is a dynamic programming language written in C. Its long-term goal is to replace Bash for anything beyond trivial one-liners, combining the expressiveness of Python, Ruby, Lua, and JavaScript with first-class support for running subprocesses, building pipelines, and scripting your system. It focuses on REPL-driven development.
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Free and Open Source RE Platform powered by Rizin. Cutter's goal is to be an advanced FREE and open-source reverse-engineering platform while keeping the user experience at mind. Cutter is created by reverse engineers for reverse engineers.
Generate a MITRE ATT&CK Navigator based on a list of CVEs. Database with CVE, CWE, CAPEC, and MITRE ATT&CK Techniques data is updated daily.
Identify, define, and catalog publicly disclosed cybersecurity vulnerabilities. There are currently over 296,000 CVE Records accessible via Download or Keyword Search above.
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The CVE Foundation has been formally established to ensure the long-term viability, stability, and independence of the Common Vulnerabilities and Exposures (CVE) Program, a critical pillar of the global cybersecurity infrastructure for 25 years.
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Scan. Understand. Fix. Free, local-first JS/TS vulnerability scanner.
Fast, developer-friendly JS/TS dependency vulnerability scanner with local lockfile scanning, OSV matching, direct vs transitive visibility, --fix, JSON output, and practical remediation guidance.
Most security tools are built around pipelines, not developers. CVE Lite CLI scans your lockfile locally in seconds, explains the dependency path, and tells you what to update before you push.
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Navigate the CVE jungle with ease.
Navigate the Common Vulnerabilities and Exposures (CVE) jungle with ease using CVEMAP, a command-line interface (CLI) tool designed to provide a structured and easily navigable interface to various vulnerability databases.
27 Security Intelligence Tools for Claude.
Production-grade MCP server giving Claude 27 security intelligence tools across 21 APIs — CVE lookup, EPSS scoring, CISA KEV, MITRE ATT&CK, Shodan, VirusTotal, and more.
Top 10 Trending CVEs, Latest Insights & Analysis.
cvemon is a free vulnerability intelligence platform developed by Intruder to help businesses stay ahead of the latest threats.
By aggregating data from trusted sources, it provides the latest intelligence on CVEs and tracks what’s trending over the last 24 hours, complete with a hype score to contextualize the buzz.
Bule-ish CD ripper.
Fully featured CD ripping program able to take out most of the tedium. Fully accurate, has advanced features most rippers don't, yet has no bloat and is cross-platform.
Cyber is a new language for fast, efficient, and concurrent scripting.
Cyber is a fast, efficient, and concurrent scripting language. You can embed it into your applications, games, or engines on desktop or web. Cyber also comes with a CLI so you can do scripting on your computer.
A good private alternative for Cybergordon (custom API).
Check if an observable (IP, hash, domain, URL) is malicious using VirusTotal, AbuseIPDB, IPInfo, Spur.us, IP Quality Score, MDE and Google Safe Browsing. Comprehensive report with search and filter features (type, country, risk, detection, proxy/VPN).
A simple application that extracts your Indicators of Compromise (IoCs) from garbage input and checks their reputation using multiple CTI services.
This project aims to provide a simple and efficient way to check the reputation of your observables using multiple services, without having to deploy a complex solution.
A simple application that extracts your IoCs from garbage input and checks their reputation using multiple CTI services.
Cyberbro is an open-source threat intelligence and indicator analysis platform. Whether you're a new user or a seasoned developer, this documentation will help you get started, configure, and make the most of Cyberbro's features.
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The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis.
CyberChef is a simple, intuitive web app for carrying out all manner of "cyber" operations within a web browser. These operations include simple encoding like XOR and Base64, more complex encryption like AES, DES and Blowfish, creating binary and hexdumps, compression and decompression of data, calculating hashes and checksums, IPv6 and X.509 parsing, changing character encodings, and much more.
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The Cyber Citizen initiative will produce a model for cybersecurity learning and a learning portal based on that model. The learning portal will have content for all citizens, and this content, such as a cyber citizen skills learning game, will take into account different target groups. Citizens’ abilities to act in a safe and secure manner in the digital world are improved with educational and communicative elements in the learning portal.
Communicate & Survive. When the Grid Goes Down. Offline Knowledge & Survival Platform.
CyberDeck is an offline-first communication and knowledge platform. Transform any device into a decentralized mesh node to chat, share, and learn without internet.
Portable offline knowledge, AI, and mesh communication platform. Run local LLMs, Wikipedia, and decentralized networking without internet.
Helping organizations to better understand and improve their management of cybersecurity risk.
Framework for Improving Critical Infrastructure Cybersecurity
Cyber Theat live dashboard
CycloneDX Bill of Materials Standard.
CycloneDX is a modern standard for the software supply chain.
The International Standard for Bill of Materials (ECMA-424) The OWASP Foundation and Ecma International Technical Committee for Software & System Transparency (TC54) drive the continued advancement of the specification.
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Developer Friendly Kubernetes 👁️ .
Cyclops is an open-source dev tool that simplifies Kubernetes with an easy-to-use UI, making it less intimidating. Instead of creating and configuring your Kubernetes manifests with YAML, use Cyclops to painlessly configure and deploy your applications - validations included!
Claw back your data from Big Tech with Cyd.
Tech platforms can't be trusted. It's time to regain control of your data. Backup and delete all of your tweets for free with Cyd (formerly Semiphemeral).
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An modular asset discovery framework written in python to automate the repeating manual work.
Cygor is a modular asset discovery framework that brings scanning, parsing, and service enumeration together in one workflow. It replaces the patchwork of separate tools with an automated process that handles discovery, enrichment, and targeted enumeration seamlessly — reducing manual overhead and letting you focus on results instead of tool management.
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List system USB buses and devices. A modern cross-platform lsusb that attempts to maintain compatibility with, but also add new features.
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Cynefin® is at its heart a decision support framework, not a method or model. It is based on the principle of ‘bounded applicability’; there are few if any context-free solutions, but many valid context-specific ones.