
Application Signal — YC fit, explained
Explore Y Combinator companies and receive an AI analysis of your startup idea's fit with the accelerator.
sirily11 · HN
Application Signal – AI That Evaluates Your YC Startup Idea
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Explore Y Combinator companies and receive an AI analysis of your startup idea's fit with the accelerator.
sirily11 · HN
Application Signal – AI That Evaluates Your YC Startup Idea

AI tool that evaluates design portfolios against YC startup hiring standards.
@sahildesigner23 · X
Spent 24 hours building a tool that grades your design portfolio against what YC-stage startups actually look for. No fluff. Just: what's working, what's not, and exactly what to fix. Built it solo with Claude Code, shipped it same day. Try it 👇

FIT is a premium athletic wear brand for men and women. Performance-driven apparel, minimalist design, and serious comfort for every training session.
@Yungbrickbaby · X
Check out what I just built with Lovable!


Personal AI fitness coach on Telegram and web delivering custom workouts, nutrition guidance, and visual progress tracking.
@VickyKumarSS1 · X
An AI fitness coach on Telegram & Web that actually adapts to your life. • Learns your goals, injuries & equipment • Daily custom routines (delivered at 3 AM) • AI visual analysis for progress & posture 3-day free trial. No credit card required.

@CricTalk29 https://t.co/wWE5v5hcRl
@arush_shar17296 · X

@lightsilver323 https://t.co/CM6FPQWJQb Building a website for those who is looking to gain,loose or maintain weight they can check there daily colories,water intake as well as for
@Nadiirr22 · X
Building a website for those who is looking to gain,loose or maintain weight they can check there daily colories,water intake as well as for those who are looking to loose weight they can check how many steps they need to walk daily to loose weight

Trade the momentum of fitness with FitMarket.
u/bookkeeping-2026 · Reddit
I built a stock market for human performance called FitMarket I built a stock market for human performance. The basic idea is: Every athlete gets a ticker symbol, a fitness score, and a share price. Instead of tracking only your own workouts, you can back athletes you believe in, follow their progress, join leagues, compete with friends, and build a portfolio based on real fitness performance. The app combines a lot of ideas I enjoy: • Fitness tracking • Fantasy sports • Stock m

Explore AI-generated Gen Z streetwear designs and collections.
@Uglynakedgai · X
Built with Claude

FitForge — built on Replit. Update this description to reflect the app.
@FitForge1 · X
Stop guessing what to do at the gym. FitForge brings guided workouts and nutrition tracking together so you can build momentum and stay consistent. Start free: #FitForge #FitnessJourney #WorkoutPlan #NutritionTracking #BuildMomentum

Affordable gym software for independent owners: class scheduling, member booking site, passes, family/kids booking, optional Stripe payments, and an AI setup assistant. Free plan —
@heyfitnito · X

@ts_hodl I vibe coded this to play around with sizing according to power law: https://t.co/bqVzUSN54E
@phishery · X
I vibe coded this to play around with sizing according to power law: