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Web Development

1. Sudoku Printable

Generate unlimited free sudoku printable puzzles in seconds. Choose from 19 variants including Standard, Diagonal, Windoku, Odd/Even, Knight, Jigsaw, and more. Select difficulty (Easy, Medium, Hard, Evil), grid size (4×4, 6×6, 9×9, 16×16), paper format (A4, Letter, A5, Legal, Tabloid, A3), and font size. Download a clean PDF or print directly — no registration required.“Every set is brand-new with a guaranteed valid solution.”Includes answer keys for easy self-checking. Perfect for teachers, puzzle enthusiasts, and anyone who loves sudoku.

Education Tech Productivity Web Development

2. Percentage Increase Calculator

The Percentage Increase Calculator is a free online tool that instantly computes percentage changes between two values. It supports both increases and decreases, displaying negative results in red. Users can enter any two of three fields (original value, new value, percentage change) and the third auto-calculates."Fill any two — the third auto-calculates."Key features include a Value + Percent mode for quick calculations, step-by-step formula display, and plain English results. It is ideal for salary raises, price increases, stock growth, and property value changes.FeatureDescriptionAuto-calculationResults update as you typeThree-field inputSolve for any missing valueDecrease supportNegative percentages shown in red

Business Analytics Web Development

3. MultiLipi - The Global AI SEO & GEO Hub

MultiLipi: The Infrastructure for the Generative Search EraThe Problem: The "AI Visibility Gap"In 2026, traditional SEO is no longer a complete strategy. As global search behavior shifts from clicking "blue links" to consuming AI-generated answers, businesses are facing a new crisis: invisibility. This is especially true in non-English markets where LLM training data is thinner. If your brand isn't structured for AI crawlers, you won't be cited by Gemini, ChatGPT, or Perplexity as a "Source of Truth."The Solution: Generative Engine Optimization (GEO)MultiLipi is the world’s first all-in-one infrastructure platform specifically designed for Multilingual SEO and Generative Engine Optimization (GEO). We bridge the gap between static content and AI discovery. We don't just translate your website; we re-engineer its technical DNA to ensure it is cited across 120+ languages.Explore our mission: https://multilipi.comCore Technical Capabilities1. GEO-Ready Metadata & Schema We automate the injection of JSON-LD and specialized technical Schema tags that are optimized specifically for Large Language Model (LLM) extraction. This ensures that when an AI agent crawls your site, it identifies your brand as a primary authority for your niche.2. Intent-Based Semantic Localization Standard translation tools often lose context. MultiLipi preserves semantic resonance across 120+ languages, ensuring that your message remains persuasive and accurate regardless of the regional linguistic nuances.3. Edge-Native Performance Speed is a ranking factor for both humans and bots. Our platform utilizes an edge-native middleware layer via a global CDN to deliver localized content with sub-50ms latency, maintaining 90+ Core Web Vitals scores.4. Automated SEO Essentials Stop managing Hreflang tags and sitemaps manually. MultiLipi automates the entire SEO stack, including translated URL slugs and real-time content synchronization.Pricing for Every ScaleWe believe in growth-led scaling. Start for free and upgrade as you dominate new markets:Free ($0/mo): 10k words, 1 project, 1 language.Starter ($19/mo): 100k words, 2 languages, AI Tools.Business ($49/mo): 250k words, 4 languages, Full LLM Optimization.Pro ($99/mo): 500k words, 3 projects, 6 languages.Advanced/Extended ($199 - $499/mo): Up to 3M words and 20 projects for enterprise-grade global dominance.Compare plans: https://multilipi.com/#pricingWhy MultiLipi?300% Increase in international AI citation share (based on early adoption data).120+ Languages supported with zero-code integration.Zero Performance Impact on your original site infrastructure.Don't let your brand get left behind in the algorithm shift. Join the next generation of global builders today.Start for free at MultiLipi.com.

Marketing Tools SaaS Web Development

4. KWANDA REAL ESTATE

Kwanda Real Estate is a leading real estate agency in Rwanda, helping buyers and sellers of residential houses, commercial properties, and land in Kigali and beyond. The firm offers buyers’ and sellers’ representation, investment consultancy, title and deed support, and market‑focused guidance for local clients and Rwandan diaspora. Built on trust, transparency, and local expertise, Kwanda Real Estate simplifies property transactions and helps clients make informed decisions in Rwanda’s growing real estate market.

Business Analytics Marketing Tools Web Development

5. Klaws

Klaws is a personal AI agent platform that operates 24/7 to automate work while you sleep. Unlike traditional chatbots, Klaws agents learn continuously, remember everything across sessions, and execute real tasks like research, email management, coding, and website building.Fire your chatbot. Hire an agent.The platform features a marketplace for skills, scheduled task automation, a canvas for building and deploying websites, and integrations with popular tools like Gmail, GitHub, and Telegram.

Artificial Intelligence Productivity Web Development

6. wu tang name generator

The Wu Tang Name Generator is a free online tool that creates unique hip-hop aliases inspired by the legendary Wu-Tang Clan. Using an advanced algorithm, it analyzes your input name and generates personalized identities with authentic Wu-Tang style elements across multiple themes like Classic, Shaolin, and Street.Enter the legendary realm of hip-hop and discover your unique Wu Tang identityThe tool is completely free with no registration required, works instantly on all devices, and allows users to share their generated names for social media, gaming, or creative projects. It celebrates the rich heritage of hip-hop culture while providing millions of unique name combinations.

Open Source Web Development

7. volume shader

Volume Shader BM is a cutting-edge GPU benchmark tool that leverages volumetric rendering technology to test graphics card performance. This advanced benchmark pushes your GPU to its limits by rendering complex three-dimensional volumetric data in real-time, providing accurate performance metrics that reflect modern graphics workloads.Professional GPU Testing with Advanced Volumetric Rendering Benchmark TechnologyUnlike traditional benchmarks, it focuses specifically on volumetric shader performance, evaluating GPU capabilities for ray marching algorithms, density sampling, and complex lighting calculations essential for next-generation graphics.FeatureBenefitReal-Time TestingLive FPS counters & performance metricsWebGL BasedNo downloads required, runs in browserCross-PlatformWorks on any device with WebGL supportDevelopers, gamers, and researchers use this tool to optimize applications, verify system readiness for modern games with volumetric effects, and assess GPU suitability for scientific visualization tasks.

Developer Tools Graphics & Illustration Web Development

8. Steam Workshop Downloader

Steam Workshop Downloader is a free web-based tool that allows users to download mods, maps, skins, and other content from the Steam Workshop instantly. "Download Steam Workshop mods, maps, and content instantly. No registration required, completely free, and lightning-fast downloads from our global CDN network." The service supports all games with Workshop integration, including Counter-Strike 2, Garry's Mod, Skyrim, and Cities: Skylines. It features enterprise-grade reliability with malware scanning, encrypted connections, and optimized global servers for maximum speed.FeatureBenefitNo RegistrationStart downloading immediatelyGlobal CDNFast downloads worldwideSecurity ScansMalware and virus protection

Artificial Intelligence Gaming Tech Web Development

9. cznull

CZNull is a comprehensive web-based GPU benchmarking platform that provides accurate performance testing through advanced WebGL 2.0 technology. The platform evaluates graphics cards, processors, and system capabilities with real-time analytics and adaptive complexity algorithms.Discover your device's true potential with CZNull's comprehensive benchmarking suiteIt offers browser-safe testing without downloads, working across all major operating systems and browsers. The benchmark suite includes volume shader tests, ray tracing evaluation, shadow mapping, and compute shader analysis.FeatureBenefitWebGL-poweredNo installation requiredReal-time analyticsInstant performance feedbackCross-platformWorks on Windows, macOS, Linux, mobile

Developer Tools Gaming Tech Web Development

10. ao3dle

AO3dle is a fanfiction character popularity game where players predict which characters have more fanfiction works on Archive of Our Own (AO3). The game combines trivia knowledge with strategic thinking, offering multiple modes including Daily Challenge and Endless mode to test players' understanding of fanfiction culture.Test Your Fanfiction Knowledge - Challenge your fanfiction knowledge, build epic streaks, dominate the leaderboardWith a clean interface and responsive design, AO3dle provides a smooth gaming experience across all devices while connecting players through global leaderboards and community features.FeatureDescriptionQuick BattleInstant character comparisonsEpic StreaksChain victories for legendary streaksDaily ChallengesShared challenges for score comparison

Artificial Intelligence Gaming Tech Web Development

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Categories

Web Development

1. Sudoku Printable

2. Percentage Increase Calculator

3. MultiLipi - The Global AI SEO & GEO Hub

4. KWANDA REAL ESTATE

5. Klaws

6. wu tang name generator

7. volume shader

8. Steam Workshop Downloader

9. cznull

10. ao3dle

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Web Development

1. Sudoku Printable

2. Percentage Increase Calculator

3. MultiLipi - The Global AI SEO & GEO Hub

4. KWANDA REAL ESTATE

5. Klaws

6. wu tang name generator

7. volume shader

8. Steam Workshop Downloader

9. cznull

10. ao3dle