Startups using Next.js

Double Your Trial-to-Paid Conversion Without Making Product Changes.

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

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.

secret sauce... e-mail me for it 😉 hello@davidtanasescu.com

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

The best QuickBooks Desktop/Enterprise API on the planet.

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

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

Building products and teaching others how to ship.

Best Pinterest Marketing Tool

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

MapPack ToolBox is an all-in-one local SEO suite designed to help businesses dominate the Google Map Pack. It simplifies the complex process of tracking rankings, optimizing GMB profiles, and managing local citations—giving you the edge in local search without the manual headache.

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.

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

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.

From Idea to UI in Minutes

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

An agency offering mainly Design to clients. We up-sell with development, QA and more. Currently operating our team out of Bolivia, clients are US based mostly. Our main clients have been with us for multiple years with our newer clients coming in the past 6 months. We are considered the best in our field, in design and in communication. The people we work with trust us greatly. Open to purchase of the clients and switching payment whilst we still manage the meetings and communciation for %.

Social network distribution tool with advanced features

EmailSneak gathers email addresses from various online platforms for outreach purposes.

Revenue-first analytics for startup founders

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

Your AI Intern One Message Away: dump the busy work. Work like a team of ten. From meeting minutes to blog posts, from CRM updates to newsletter drafts—just speak, and it's done.

Best AI Presentation Maker

Idea to mobile app designs

B2C SaaS tool for DJs to discover, organize, and curate music for their sets. Built to $130K ARR with 40,000 users as a solo founder. 8% monthly churn, growing through paid acquisition on Meta. Subscription-based model with strong product-market fit.