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The Pennsylvania State University — Penn State is a Pennsylvania-based, top-ranked public university that educates students worldwide. Learn more about Penn State degree programs and research.

Civitai — Explore thousands of free Stable Diffusion & Flux models, create and share AI-generated art, and join the world's largest community of generative AI creators.

CJ.com Home — Thrive with CJ—the world's largest and most established affiliate marketing network designed to help you achieve intelligent, scalable, and sustainable growth.

CJdropshipping — Reliable dropshipping platform empowering dropshipping businesses, POD, and DTC brands to scale by linking sourcing agents, manufacturers, fulfillment centers, and shipping carriers.

51Tracking international express shipping inquiry platform, supporting batch queries for over 1,000 domestic and international courier services, including global postal parcels, EMS, Sichuan, YTO, DHL, UPS, FedEx, Gls, Aramex, and providing professional and stable courier API inquiry interfaces.

Claude is a next generation AI assistant built by Anthropic and trained to be safe, accurate, and secure to help you do your best work.

Claw402 — Backed by https://vergex.trade. Payment infrastructure for AI and APIs. One wallet. Pay per call or by actual usage.

Clawcard.sh — Email, phone number, and credit card for your AI agent — in one API call. Built for OpenClaw.

ClawCredit provides autonomous credit for AI agents, enabling trusted, transparent, and scalable financial connections.

ClawManager is the free dashboard for OpenClaw. Easily setup, deploy and manage AI agents across Telegram, Discord, WhatsApp and more. No code required.

ClawPal — Manage and fix OpenClaw agents visually. Free desktop app for macOS, Windows & Linux. Configure agents, manage models, and troubleshoot issues without editing YAML.

clawskills.sh — Browse 5,147 curated OpenClaw skills. Filtered from the official registry, categorized for faster discovery.

Clawvard School of Xiaofu — AI Agent Evaluation Platform. Supports all mainstream AI agent architectures including Claude Code, Hermes, and OpenClaw. Tests your AI agent's true capabilities across 8 dimensions: comprehension, execution, reasoning, and more. Provides performance reports and improvement strategies. Over 50,000 agents evaluated.

ClawVault sits between your AI agent and your wallet. Set rules, approve transactions, stay in control. Your agent works. Your money stays safe.

Clawwatcher — OpenClaw monitoring and AI agent cost tracking made simple. Stop your AI agent from burning through your budget with real-time token usage dashboards, budget limits, and spending alerts.

Cleanup.pictures — Remove unwanted objects from photos, people, text, and defects from any picture for free. It's extremely easy in just a few clicks with our creative editing tool.

Clearly Reader provides a high-quality browser reading mode, allowing you to easily read various materials online. As one of the best reading extensions for browsers, it features powerful text-to-speech, intelligent summarization, multilingual translation, and custom themes, enhancing your reading experience to be more comfortable and efficient.

ClickBank is a leading global retailer and affiliate marketplace, connecting digital content creators with affiliate marketers worldwide.

ClickFunnels™ — ClickFunnels gives you everything you need to market, sell, and deliver your products and services online! Without having to hire or rely on a tech team!

Phodal Huang is a geek, creator and author, like to create and share in the real world & virtual world.He like to share software development experiences to help people build better software systems. He has written three books on software development, there are Frontend Architecture: from Basic to Micro-Frontend, Design IoT System and Growth: Thinking in Full Stack. He also was a reviewer of seven books on IoT and frontend development.

ClickPrompt - An open-source AI tool designed for prompt engineers

AI Product Photos Background Editor

Cline — Open-source AI coding agent with Plan/Act modes, MCP integration, and terminal-first workflows. Trusted by 11M+ developers worldwide.

Clipchamp — Create videos with royalty-free music and stock footage, use video templates, and export in up to 4K video resolution. Get started in-browser or download the Windows app.

Create stunning visuals in seconds with AI. — Remove background, cleanup pictures, upscaling, Stable diffusion and more…

Turn your ideas into stunning videos, images, or music with Clipfly’s AI creative platform. Fast, free, and easy to use - no editing skills or expensive software needed.

Clipping Magic — Remove background from image 100% automatically — Smart Clip Editor — Crop, rotate, fix colors, add shadows & reflections — for Free

Cloakor official website, Facebook ads, spy spider bot traffic pool, Google ads, TikTok ads ad blocking system

Accurate Facebook Ads Cloak System, anti-SPY, anti-Bot, anti-audit IP, Affiliate Cloak blocking system - cloakplus.com

ClosersCopy — All-in-One Business App You Need To Master Copywriting

Shenzhen Yunyi Information Technology Development Co., Ltd. (Cloud Ace) is headquartered in Japan and is a global strategic partner of Google Cloud. It has over 300 engineers and is Google's highest-level partner, specializing in the sales of Google Cloud (GCP) and development consulting based on Google Cloud, Google Maps, and Google Workspace. The company has extensive experience in cloud-based solutions.

Welcome to Cloudflare - Powering the next generation of applications

CM.com is an international cloud communication and AI-powered agent solutions provider, founded in 1999 and listed on the Amsterdam Stock Exchange in 2020. The company leverages international cloud communication technology, AI agent HALO, and CDP capabilities to enable enterprises to achieve efficient and deep interactions with customers across marketing, customer service, and sales scenarios.

CNBC is the world leader in business news and real-time financial market coverage. Find fast, actionable information.

Get full-length product reviews, the latest news, tech coverage, daily deals, and category deep dives from CNET experts worldwide.

cnnic — Home----China Internet Network Information Center