Why ONA.UNO
Why ONA.UNO exists and the product philosophy behind it.
Hi, I'm Wolfgang. I built ONA.UNO, and I'd like to tell you why.
Consulting projects. Software architecture. Research. Travel. Books. Politics. Science. Culture. News. Taxes. Household. Photography. Filmmaking. Gadgets. Conversations that mattered.
Over decades, I've collected information across all of these, in every format imaginable: notes, emails, web clips, PDFs, documents, bookmarks.
The dots were all there. But connecting them took a disproportionate amount of time and effort. Finding the right document. Locating the exact passage. Remembering which tool, which folder, what name, from when. The hardest part was seeing that an email from January, an article from last summer, and a note from years ago all belonged together.
I tried systems, tools, folders, tags, plugins, scripts. They all worked as long as I worked for them. The moment I got busy with actual thinking, the organizing stopped.
Gradually, I stopped trying to build a better filing system and started paying attention to how my own thinking actually worked. It didn’t file things. It connected them. A phrase would remind me of a conversation from years ago. An article would suddenly click a half-forgotten idea into place. The logic was always associative, never hierarchical — and every tool I’d ever used had it exactly backwards.
The problem, of course, is that the mind forgets. Most of what I’d saved over the years was effectively unreachable, even though it was all still there.
I wanted to make it reachable again, not by organizing it but by understanding it. My files could stay in their folders, my notes in Obsidian, my emails in Mail. ONA.UNO just reads them and understands what’s inside. A search for “project deadlines” finds a note you titled “delivery timeline Q3,” and a vague memory of some argument about infrastructure spending leads to the exact email. You can ask a question in plain language and get an answer grounded in your own sources, with citations to check. And everything that enters is quietly summarized, titled, tagged, and connected, without you having to organize a thing.
If you’ve tried the systems, the workflows, the productivity rituals that hold up only as long as life stays calm, you already know what I’m talking about. You’re not disorganized. You collect a lot because you think a lot. I built ONA.UNO for people who have already saved everything and want all of it to actually work for them.
What it’s not
ONA.UNO is not a note-taking app. It’s not a cloud service that stores your thoughts. It’s a native macOS app built to make your existing knowledge accessible on your terms.