R Remember The Milk: Online to-do list and task management Remember The Milk is the popular to-do list that's everywhere you are: from...
O Online File Converter for Images, PDF & Media - ConvertTool Convert supported images, PDF, video, audio and data files in your browser....
i ixBrowser - Forever free anti-detect browser ixBrowser is an anti-detect browser that helps you control your digital fing...
G GeoGebra - the world’s favorite, free math tools used by over 100 million students and teachers Free digital tools for class activities, graphing, geometry, collaborative w...
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T Trianglify.io · Low Poly Pattern Generator Trianglify.io is a tool for generating low poly triangle patterns that can b...
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W Wolfram MathWorld: The Web's Most Extensive Mathematics Resource Comprehensive encyclopedia of mathematics with 13,000 detailed entries. Cont...
F Formtorch – Form Backend for Static Sites & Web Apps Formtorch is a modern form backend for HTML, React, Next.js, Astro, and stat...
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S Sketch Toolbox - A super simple plugin manager for Sketch Sketch Toolbox 是一款为 Sketch 设计软件开发的插件管理器，可浏览、一键安装并...
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S StackEdit – In-browser Markdown editor Full-featured, open-source Markdown editor based on PageDown, the Markdown l...
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A Ardour, free and open-source digital audio workstation | Ardour DAW Ardour is a free/open-source digital audio workstation for Windows, Linux, a...
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L LibreCAD - Free Open Source 2D CAD LibreCAD started as a project to build CAM capabilities into the community v...
F Fast Video Downloader for Any Site - DataTool.vip DataTool.vip is your All-in-One platform for video downloader, covering TikT...
A A free online introduction to artificial intelligence for non-experts Learn more about MinnaLearn's and the University of Helsinki's AI course - n...
U Unlimited Gradients, Animated Gradients and AI-Generated Backgrounds Grainient offers 1000+ awesome gradients, animated gradients, grainy texture...
F Free Online Video Downloader for MP4, Images & Subtitles | SnapWC Download videos online for free from YouTube, TikTok, Instagram, Facebook, X...
K KeyAndBPM | 🎵 Speed & Pitch Changer – Change Song Tempo & Key Online Free Easily change your song's speed (BPM) and key online with KeyAndBPM. Slow it...
Y Your Storefront Selling Downloads, Courses & More Marketsy.ai is the easiest way for small businesses and microbrands to earn...
系 系统运维 | 国产化OS/AnolisOS/openEuler/RHEL/CentOS/Rocky Linux/Debian/Ubuntu Linux FreeBSD 服务器教程 | Windows Server 2003/2008/2012/2016/2019/2022/2025服务器教程 本博客与大家一起分享Linux、Windows服务器系统运维相关的经验和技巧，所有文章均...
