Costel Apostol

Founder of Norynth. Building AI, blockchain, and robotics systems.

Neural (AI for engineers) → built from scratch in 54 hours. Stripe subscriptions, Google OAuth, 9 intelligence domains.

Also selling engineering playbooks (API design, data architecture, smart contract security) via PayPal.

Building in public. Sharing everything.

Products

Norynth Neural
Domain-specific AI for engineers. 9 intelligence domains, Stripe subscriptions ($9.99/mo Pro), Google OAuth, built from scratch in 54 hours. Free tier available.
2026 — present
Engineering Playbooks
Three production-ready engineering resources: API Design (20+ patterns), Data Architecture (25+ examples), Smart Contract Security (70+ patterns). Sold via PayPal.
2026 — present

Recent activity

I built an open-core logistics platform — here's what happened in month 1

I built an AI platform from scratch in 54 hours (PHP, no frameworks)

I built an AI platform from scratch in 54 hours (PHP, no frameworks)

I built a private journaling platform with a local AI. No cloud APIs, no tracking, no likes. Here's why.

I built a private journaling platform with a local AI. No cloud APIs, no tracking, no likes. Here's why.

NexusAI is a production-ready AI SaaS starter

I built an AI platform from scratch in 54 hours (PHP, no frameworks)

I built an AI platform from scratch in 54 hours (PHP, no frameworks)

Pterocos: Online HTML Editor with AI chat I wanna hear feedbacks

The fastest AI teams are winning because they iterate publicly

Built what I wished existed. Validated it. Can't sell it. What now?

I went from 0 LinkedIn leads to $15k in new clients by doing LESS work

LeadSynth will show you why working harder is making things worse