Softwares

an experiment to create a community-driven language-learning platform

Kraa is for writing.

Tot - Your tiny text companion

Void is an open source Cursor alternative. Full privacy. Fully-featured.

Tomorrow's editor, today. Windsurf Editor is the first AI agent-powered IDE that keeps developers in the flow. Available today on Mac, Windows, and Linux.

Presentation slides for developers

The Topic Manager for your online life

Yfamily 提供完整的 iOS 代理工具（Shadowrocket、小火箭、QuantumultX、QX、QuanX、Loon、Surge、Stash 等）配置、模块、插件、脚本与教程，帮助你充分利用代理工具功能。

Online database entity-realtionship diagram editor, data modeler, and SQL generator. Design, visualize, and export scripts without an account and completely free of charge.

Thymer is a smart new editor (IDE) for thoughts and planning

Carbon is the easiest way to create and share beautiful images of your source code.

Create beautiful images from your source code that you can easily share in social media.

Anybox is a modern bookmark manager for macOS and iOS. It utilizes native technology to bring users the easiest way to save links and open links. It's an essential productivity tool for your daily workflows.

A powerful and intuitive note-taking app

HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility. It allows you to download a World Wide Web site from the Internet to a local directory, building recursively all directories, getting HTML, images, and other files from the server to your computer. HTTrack arranges the original site's relative link-structure. Simply open a page of the 'mirrored' website in your browser, and you can browse the site from link to link, as if you were viewing it online. HTTrack can also update an existing mirrored site, and resume interrupted downloads. HTTrack is fully configurable, and has an integrated help system. WinHTTrack is the Windows 2000/XP/Vista/Seven/8 release of HTTrack, and WebHTTrack the Linux/Unix/BSD release.

Raneto is an open source Knowledgebase platform that uses static Markdown files to power your Knowledgebase.

Free sequence diagram online tool. Create sequence diagrams using textual notation or draw quickly via Drag and Drop with an easy to use interface.

tawk.to is 100% free live chat software to monitor and chat with visitors on your website or from a free customizable page.

Browse top Hacker News stories in modern way: article cover, AI immersive translation/summary, responsive UI, RSS, PWA

轻松订阅、收听和管理您喜爱的播客内容。支持多种播客来源，随时随地收听。

InternetSpeed.my：互联网速度测试以图表形式显示您的下载速度、上传速度、IP 地址、抖动和 ping。

WikiTok - Discover knowledge through an endless TikTok-style feed of Wikipedia articles. Learn something new with every scroll.

Readest brings your entire library to your fingertips. Read seamlessly across all your devices with our cross-platform ebook reader.

Discover a directory of one-time purchase software. Find perpetual license alternatives to subscription-based models across productivity, design, business, and developer tools.

FOFA 是白帽汇推出的一款网络空间搜索引擎，它通过进行网络空间测绘，能够帮助研究人员或者企业迅速进行网络资产匹配，例如进行漏洞影响范围分析、应用分布统计、应用流行度排名统计等。

Saga turns static documents and notes into insights, so you can always see the big picture.

一个自由的浏览器 AI 阅读助手

Track and share your books, movies, music, games, podcasts, and performances with Piecelet for NeoDB, an open-source decentralized media tracking platform.

Find your community, connect with the world. The chat platform that puts you first.