
ScaleMock - #1 SDE Interview Preparation Platform | System Design, DSA, LLD
Practice system design, DSA, and coding interviews with AI-powered mock interview scenarios.
@ShivanshAg50455 · X
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Practice system design, DSA, and coding interviews with AI-powered mock interview scenarios.
@ShivanshAg50455 · X

Scale recipes for water kefir, sourdough, and other fermented foods.
@designklu · X
I made my first vibe coded web app ! I was tired of figuring out how to scale up or down my water kefir, sourdough, etc. And I know i'm not the only one ~

Balance images and logo clouds by visual weight using perceptual science — not bounding boxes. Free in your browser, no signup.
@MarkPraschan · X

Build and scale systems in an interactive simulator to learn system design.
@echo_muss · X
Learn system design Try

Instant access to 305+ calculators for money, health, math, and everyday conversions.
@calculate_at · X

Every leading intelligence. One workspace.
@37cubed · X
We just had our first successful test. Inter-Model Communications. Claude planned, kimi coding, Codex debugged.

Practice bass guitar with an interactive fretboard, backing tracks, and scale exploration.
@GururSon · X

3 tests. 90 seconds. Know your rank. A brutally addictive mechanical skill benchmark for PC gamers.
@AmaanHussain09 · X
I'm 16 and built RankCheck, a 90-second mechanical skill test for PC gamers. It measures your aim, movement, and reflexes, then gives you a shareable Flex Card. I hit Diamond rank. I am looking for the first 1k users

Personalized color calibration tool for colorblind users to enhance artwork viewing.
@daniel_du · X
Color Master MVP 上线了 🎨 过去一段时间在做一个本地优先的个性化红绿色彩辨别与画作增强工具,现在部署到了 Vercel: 已落地的部分: • 56 题自适应校准(4 条阶梯) • 24 题独立盲测验证 • 6 幅耶鲁/大都会公共领域画作

Learn stock market concepts through interactive analysis tools and practical hands-on exercises.
@ak_stan001 · X
Built making stock market education practical with real analysis tools and hands-on learning.

Find careers matching your skills with salary ranges and skill gap analysis.
u/ImmediateSafety2887 · Reddit
I scraped ~150k job postings to build a tool that shows which careers your skills can actually reach — not what an AI guesses. Free, no signup. One-person shop, building this as a second income around a day job, so feedback from this crowd is gold. What it is: every career tool hands you a confident AI recommendation. I wanted the opposite — something that reads live job postings, measures how much of a target role your current skills already cover, and shows the honest version: the salar

Upload your resume to receive a placement score, identify skill gaps, and get a personalized career roadmap.
u/Dry_Information_9903 · Reddit
1,000+ unique users across 11+ countries and this is just the beginning. A few weeks ago, PlaceWise was just an idea. Today, it's being used by people across 11+ countries, and seeing people I've never met use something I built is an incredible feeling. Some milestones I'm really proud of: 🌍 Users from 11+ countries 📈 1,000+ unique visitors 📄 450+ AI-powered resume reviews A huge thank you to everyone who's tried PlaceWise, shared it, or sent feedback. Every bit of support has hel