教育学习1 month ago
preppingQuiz | Daily Java Interview Practice
每日练习Java面试题，建立答题连胜。
@ByteCrafter2344 · X
Making practice as a habit.
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每日练习Java面试题，建立答题连胜。
@ByteCrafter2344 · X
Making practice as a habit.
Free AI tool that explains any topic simply with real sources and visual diagrams. No signup required.
@bydigiwares · X
Built - -> This AI Explains Anything with Sources & Diagrams (no sign-up, no login, no downloads, totally free to use)
无需注册即可访问305+计算器，涵盖财务、健康、数学和日常转换。
@calculate_at · X
Best free QR code generator online — codes that never expire. No watermarks, no signup, no annual lock-in. 50+ types: WiFi, vCard, PDF, custom logo.
@ktat93 · X
A lot of things actually: 1. (qrcode generator - $120mrr) 2. (analytics soon + monitoring) 3. 4. (~10k visitors)
Free AI-powered resume and CV builder. Create an ATS-friendly CV in minutes, pick a professional theme, and download an instant PDF — no signup required.
@scalixdigitalco · X
Simulate color blindness and low vision on any design, check WCAG contrast, and get smart palette fixes — instantly, free, no signup.
@contrastlyapp · X
Just launched Contrastly 👁️ See your design through everyone's eyes — instantly simulate color blindness & low vision, check WCAG contrast, get smart palette fixes. Free, no signup needed. 🔗 #accessibility #a11y #buildinpublic #indiehackers
1NX 是用于原型设计、流程图和过程管理的无登录协作白板。
veau · V2EX
[产品自荐] 基于 Excalidraw，我做了一个更顺手、更全能的纯本地白板： 1NX 作为产品民工+重度 Excalidraw 用户。 在 AI 的加持下，基于 Excalidraw 做了一个更顺自己手、更全能的纯本地白板：**1NX.NET** 访问地址： https://1nx.net/ **核心解决日常画图、画交互、读取各种文件轻量化处理的问题。** 产品能力概览： * 无须注册，打开即用。完整兼容 Excalidraw ，旧图可直接导入继续编辑 * 优化画布操作手感和交互，解决存储满的问题，大量元素上依然流畅 * 流程图、脑图、原型、文档、代码和图片都能放在同一张画布 * 支持 Axure 、XMind 、draw.io 、Visio 、Mermaid 、PlantUML 等格式直接导入 * 代码块、PDF 、Word 、PPT 、Excel 可直接摊开阅读；无需打开软件 * 图片裁剪、切片、马赛克、高清放大、智能抠图一站完成（全单机完成） * AI 生成思维导图、流程图、以及汇报级别的 PPTX * 增强本地化单文件能力，全
上传照片获取 AI 反馈，了解你的身体、风格和姿态。
u/MBPVentures · Reddit
I got tired of Reddit's brutal "rate my body" threads, so I built an AI tool that gives accurate and specific feedback instead I was seeing so many of Reddit's brutal "rate my body" threads that were ruthless. I built a free AI tool that is designed and trained to give specific feedback instead of a number. Upload a photo, get a real read on your body/attractiveness/vibe — no signup, no score. Try Free Rate My Body AI Tool submitted by /u/MBPVentures to r/SideProject
AI代理的按调用付费市场智能API，USDC支付，无需注册。
@fort_ink_games · X
You guys should check out I busted my something or other vibe coding it so I feel all the pain you were describing in the space, but it certainly works now. It's the x402 gateway for @KorraFinance. There are QuantFi elements (check her track record). But her greatest value to you would be (social media sentiment x actual market price) divergence signals your agents can just pay-per-call for. Talk to @MatiGreenspan about it on a @QE4Everyone space... they get mad reach.
Testimoon - 分享链接收集无限客户评价，无需注册。
@jyriso · X
Building Testimoon one day at a time. A testimonial tool that helps you turn customer words into marketing assets.
Generate free QR codes for URLs, text, WiFi, vCards, and more. No signup required. Download high-resolution PNG files instantly. Privacy-first, works offline.
@andrei_haiducu · X
free static QR code generator, anything vCards / WiFi etc, all in your browser! Dynamic QR codes available!
Free online invoice generator with a live preview, AI-powered import, and 21 industry templates. No signup required.
@bullor_bear · X
If you're a developer, you've probably experienced this: You need a realistic invoice for testing, and suddenly you're creating an account for a tool you'll only use once. I wondered if there was a simpler approach, so I am working on one for myself.