Startups using Next.js

The #1 tool for validating phone, email and IP data in real time. All through one powerful API.

The fastest way to get compliant with cyber security frameworks like SOC 2 and ISO 27001.

Ship your startups in days, not months!

Tarkle is the white-label infrastructure for agencies and startups. From client portals and file sharing to contractor management and creative services, we're building products that scale with client-facing businesses.

A course to learn how to code in days, not years

Tools for any AI agent to access and manage your personal context

Atlas is a personalized learning platform for students. Atlas's AI studies your class materials to help you nail your homework and ace your tests.

We are a leading telehealth company built on a highly automated and reliable system designed for consistency, scalability, and performance. Our infrastructure ensures seamless operations at all times, allowing us to deliver fast, dependable healthcare solutions without interruption.

Digital products/services for educational AI resources. We charge during checkout.

Stop wasting time searching social media groups only to find you're too late to the game. ReferralEdge instantly delivers relevant referrals to you the second they’re posted, putting you in the driver’s seat to seize every opportunity with zero searching required.

17 year old full-stack engineer: for the secret sauce... e-mail me for it 😉 hello@davidtanasescu.com

Social network distribution tool with advanced features

The easiest to use and fastest growing AI powered YouTube thumbnail generation loved by thousands of creators.

Post your content to multiple social media platforms at the same time, all-in one place.

Offers coding and system design practice for interview preparation.

The best QuickBooks Desktop & Enterprise API on the planet.

Klarovel builds engine-screened peptide protocols calibrated to your health. A deterministic safety rules engine runs 56 tests for safety, dosing, stacking, cycling, and drug interactions while AI generates a clear report. Upload labs to tune doses to IGF‑1, metabolic, and hormonal markers, or get guidance on which panels to take. Membership includes cycle planning, titration, off-cycle guidance, next-cycle recommendations, clinician review with messaging, and vetted partner fulfillment.

Helping Airbnb hosts earn more: measure visibility, run experiments, and automate enquiry replies that convert.

Get search visitors autonomously. RankAI runs autonomously – getting you millions of web visitors from Google & ChatGPT. Investors from YCombinator, OpenAI, A16z, etc.

Linkar offers mechanical warranty for vehicles, covering repair costs up to 15,000€ per year.

All in one ai platform for content creators: from text to images, to videos all in one place. MCP and API support. Perfect start to compete with Higgsfield.

Building products and teaching others how to ship.

PostNitro.ai is an all-in-one content creation and distribution platform designed to help creators and businesses generate and schedule high-performing social media carousels in seconds. By combining advanced AI models like GPT-4.1 and Claude Opus with professional design automation and an integrated content planner, PostNitro streamlines your entire social media workflow—from initial idea to final publication.

AI-powered design tool generates polished mobile app UIs in minutes. Built exclusively for mobile apps—in a niche with no direct competitors—it turns ideas into prototypes fast without the complexity of horizontal suites. Revenue declined after the founder stepped back from marketing to focus on improving the product.

Build Viral Shorts in Minutes The ultimate tool for creators who want to generate dynamic shorts, automatic scenes, and realistic animations without manual editing.

From Idea to UI in Minutes

The $1.2B database of verified startup revenues. Accidentally a startup marketplace.

Previous project I launched during covid, now I focus on joinlooply.com. We help 500+ B2B teams stop chasing cold leads and start booking 3x more demos using AI-powered intent signals.

Revenue-first analytics for startup founders