Tools for developers, data people and small teams.
Biz59 LLC is a small company in New York. We build and run eight products, most of them with one sign-in, and we write about what we see in software, AI and startups.
A database client, plus free data tools in the browser.
iPaid, i Owe: track what you owe and what is owed to you.
Security tools for small sites and teams, with one sign-in.
Short links, QR codes and page-view tracking.
An email router for apps, developers and bots.
Privacy policies, terms and consent records for apps and sites.
Website, policies, support pages, sign-in and cloud sync for your mobile app.
Offline-first cloud sync for your app's data, with sign-in for your users built in.
More articles
Small teams, big revenue per head: how investors read AI-native startups in 2026
Startups now reach real revenue with a handful of people, and revenue per employee has become a headline number. Investors look past it too, at gross margins and at who actually gets funded.
Your AI-built prototype works. Check these six things before customers log in
AI tools can turn an idea into a working app in an afternoon. The research on what those apps leave open is consistent: missing access rules, leaked keys, no server-side checks. Here is a short list to close before real users arrive.
How investors see internet startups in 2026, from the YC and Stripe letters
Y Combinator's latest startup wishlist and Stripe's 2025 annual letter point to the same shift: AI that does work, agents that pay, and bets that reach past the screen.