
Startup City
Promote your startup on a billboard in Startup City. Claim a floor from $1 — higher floors cost more. The address with the most floors sold wears the crown.
@AliYolo_ · X
Everyone is building a leaderboard. I built a city 😂🏙️
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Promote your startup on a billboard in Startup City. Claim a floor from $1 — higher floors cost more. The address with the most floors sold wears the crown.
@AliYolo_ · X
Everyone is building a leaderboard. I built a city 😂🏙️

Browse rental listings from your community or post an item.
@Adelizzle_ · X
Just shipped RentIt — a peer-to-peer rental marketplace I built. Built with React 19, Vite, Tailwind CSS v4 & Supabase. Features include authentication, bookings, real-time messaging, reviews, favorites, and more. 🌐 #React #WebDev #BuildInPublic

Find beginner-friendly open source issues on GitHub and track your contributions.
@anni_i02 · X

Post local stories and content to compete in city rankings and become your community's top talker.
@mtn98952 · X
What if every city had its own social network? 👀 Join your city, climb the rankings, and become a local legend. Who would be #1 in yours? 🏆

Post any local job and have local professionals bid to complete it.
@ricoXberrios · X
Check out what I just built with Lovable!


Edit images, convert files, browse SVGs, review sequences, trim video, edit audio, and inspect 3D models locally without uploads.
@motionvector3 · X
Useful online tools for creators

Google Maps business leads with phone, email, and website already resolved. Priced per row with no per-call minimum, no subscription, and credits that never expire. Amazon reviews
@chrislutzxy · X
The only lead data API you'll ever need.

Groveh is where people discover local food, products, and services. Set up your digital storefront, showcase your offerings, and connect directly with buyers.
@JosephNok216414 · X

Corpus forms your company in all 50 states + DC, then helps you find the state and local rules that apply where Corpus has verified coverage — in plain English, with a citation to
@AnAIRenaissance · X
Corpus is the legal infrastructure for founders and AI agents: cited business-law intelligence plus human-reviewed LLC and nonprofit formation in all 50 states + DC. You can even let the AI agent you already use run the formation workflow through Corpus.

SDK that routes LLM prompts locally when possible to reduce cloud API costs.
u/econobro · Reddit
Built a tool that skips the cloud LLM call when the prompt doesn't need one — would love feedback Live demo, no login, paste anything and see where it actually resolves and why: link What I built Offramp — a small client-side SDK that sits in front of whatever LLM API call your app already makes, and resolves some prompts entirely on-device instead of sending them to Claude/GPT/whatever cloud model you're using. Yes, I used Claude (you'll be able to tell right away if yo

WebAuditIA ofrece un diagnóstico inicial gratuito para webs de negocios locales y un informe completo con prioridades, SEO local y textos listos para aplicar.
@webauditia · X
Building WebAuditIA — an AI-powered website audit tool for local businesses. It checks SEO, local SEO, conversion, messaging and technical issues, then turns them into prioritized actions and ready-to-adapt copy. 👉