Software that thinks with you, not just for you.
Lesteko builds AI-driven tools people genuinely like using — for managing files, taking notes, understanding data, testing software, and shipping code.
Our products
Five focused tools, each built around a single idea: AI should remove work, not add a chat window.
Datoteka
File management, understood by AI.
Datoteka is a desktop and mobile file manager that understands what you keep, not just where you keep it. AI-powered search, auto-organization, and smart tagging turn a messy drive into a system you can trust.
Learn moreZvezek
Notes that think alongside you.
Zvezek is an advanced note-taking app with AI built into the writing flow — summarizing, linking related ideas, and turning scattered notes into structured knowledge, automatically.
Learn moreAnalitik
One lens for SQL, NoSQL, and streaming data.
Analitik is an analytics tool that speaks every data dialect — relational, document, and streaming — so your team stops switching tools to answer one question.
Learn moreInspektor
Testing that covers the whole surface.
Inspektor is a testing platform spanning API, UI, and performance testing in one workflow, so quality gates don’t live in three disconnected tools.
Learn moreDelavec
A lightweight partner across your whole stack.
Delavec is a lightweight software development tool that reads, writes, and executes code across the frontend, backend, and data layer — search a codebase, make a change, run it, and see the result.
Learn moreEvery product is designed around AI from day one, not retrofitted with a chatbot.
Desktop, mobile, and web — your work follows you, with the same intelligence everywhere.
We measure success in daily use, not feature checklists. If it's not useful, it doesn't ship.
Ready to see what AI-native software feels like?
Talk to our team or jump straight into a product.