Education2 weeks ago
StatsLab — Interactive Statistics Playground
Explore datasets, compute statistics, visualize distributions, and run inferential tests.
@DaytonaRaised · X
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Explore datasets, compute statistics, visualize distributions, and run inferential tests.
@DaytonaRaised · X
Check out what I just built with Lovable!
Build and grade candidate assessments with automated evaluation.
@aishwary07jain · X
Tools for analyzing your skin type, hydration levels, ingredients, and hair porosity.
@Hyaluflow · X
We’re building HyaluFlow 🚀 Free tools like a Skin Type Analyzer, Ingredient Checker & Hydration Calculator. Which tool would you actually use?
Take quick online tests and get instant results to track your progress.
Nalife520 · V2EX
做了一个在线反应、记忆与专注力测试网站 最近做了一个叫 [PickTests]( https://picktests.com/) 的在线测试站。 反应时间、序列记忆、瞄准训练这些东西，网上其实已经有很多了。真正让我想重新做一遍的，是不少页面要么堆了很多不必要的内容，要么广告和装饰比测试本身更抢注意力，到了手机上也不一定顺手。 所以我给这个项目定了一个比较克制的方向： 不急着增加更多测试，先把每一个已有的测试认真做好。 目前上线了 6 个测试： - 反应时间 - 瞄准训练 - 序列记忆 - 数字记忆 - 多目标追踪 - 斯特鲁普测试 首页：[反应测试]( https://picktests.com/zh/) 网站使用纯 HTML 、CSS 和 JavaScript ，没有账号系统。成绩保存在当前浏览器，打开页面就可以开始。 我现在主要在调整这些细节： - 操作是不是足够顺手 - 测试节奏会不会太快或太慢 - 结果能不能一眼看懂 - 动效和反馈会不会太多 - 手机、平板和电脑上的体验是否一致 目前最想先做好的页面
Backtest investment strategies, track portfolios, and analyze markets with AI assistance.
策引 — 全球市场技术分析工具，可以创建多个市场的模拟组合并做深度回测分析。同时正在开发 AI Agent 功能，可帮助用户使用大模型自动生成基于不同交易策略的模拟组合。
Analyze YouTube video performance against channel medians to discover overperforming videos.
@shawnthetechie · X
Answer 12 questions to get an estimated Praxis 5001 test score and identify your weak areas.
@7Sk2n5E8hK98730 · X
Website security scanner with 75+ vulnerability tests, WAF protection, SSL monitoring, and real-time alerts.
@rapidrewind0 · X
2nd link is still in development
Master JEE Mains, JEE Advanced, NEET UG and competitive exams with AI-driven chapter-wise question practice, syllabus trend analysis, and step-by-step solutions on RankBit.
@SujalXudy · X
Hey! 👋 Full Stack Dev & Solo Founder building RankBit (a free NTA CBT platform). 💻 Focus: Web Dev, Full Stack, Startups & LeetCode 🚀 Always happy to connect with fellow builders! My website link --
VITALOOP helps you make sense of symptoms, lab results, biomarker patterns, safety context, retests, and progress over time with AI.
@AlekseyBombela · X
Generate role-specific technical interview questions from job descriptions instantly.
abhishxk1 · HN
Swiftcruit – AI assisted technical assessment platform
Track exam and quiz marks with automatic grade calculations, weak topic identification, and monthly reports.
@ritikk_kushwaha · X
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