coldcaller.pro is a French B2B prospecting SaaS selling qualified cold-calling leads to solopreneurs and agencies. Leads come enriched with the owner's direct mobile + email. Subscriptions €19–99/mo, no free trial, ~9% visitor-to-paid conversion, €2.4k MRR with minimal fixed costs (93% margin). 100% community driven acquisition (word of mouth). Runs solo — big upside with paid ads or a sales team.

Profitable, bootstrapped dynamic QR SaaS with $118K TTM revenue and 30% YoY growth. 38,492 customers use it to edit QR codes after printing, changing links or campaigns anytime with no reprints. Built-in analytics track scan location, time, and device, turning every printed code into a measurable marketing channel. Setup takes minutes, with no design or dev skills needed. Ready for a new owner to scale through team plans, upsells, and paid acquisition.

Lapsula is a SaaS platform for clinic management operating since 2023, now used by over 50 psychology and physical therapy practices across Spain. We also ran a moderately successful international AppSumo campaign. The platform is built with a modern TypeScript stack—clean, high-quality code, free of AI slop.

Premium UV protection umbrellas with patented Solarteck® fabric—99% UV block, 15°F cooler. UPF 50+ certified, Melanoma Foundation approved. Ships across the USA and worldwide.