Your ideas.
Unsupervised.
YesBrainer is your private desktop think tank: the Mind's Sandbox and Studio, where your strangest, sharpest, and most tender thoughts finally meet the quiet friction they need to focus, calibrate, and land.
Seven lenses turn each one slowly in their hands: economic, political, social, cultural, technological, environmental, and ethical; showing what one perspective alone never could.
Nothing ever leaves your machine. Nothing is judged, harvested, or sold. Just honest traction between different truths, running on your own hardware and your own terms.
Great ideas aren't simply born.
They are crash-tested, nourished, polished… and finally set free.
The Woman With Forty-Seven Tabs Open
Nadia works at a Brussels think tank. Her research lives in 47 browser tabs and a folder she optimistically named "Final Draft (REAL)." She fed her OECD data, country comparisons, and ethical frameworks into the Source Vault, and the engine found what she'd missed: the policy that expands healthcare in Poland will drain healthcare workers from Ukraine. The solution in one country creates the crisis in the next.
The Person Who Refuses to Pick a Lane
Daan thinks about things. That's his job description. His current question: what if a country closed its borders, not to immigration, but to emigration? He opened all eight tabs, set every lens to maximum, and let the Constellation run. The Economic lens showed talent traps. The Political lens drew parallels to East Germany. The Ethical lens was devastating; every framework rejected the policy. But the blind spot was the real insight: soft emigration barriers already exist everywhere. Non-transferable pensions. Professional licensing. Tax penalties. The hard border he imagined is just the loud version of what every country already does quietly.
The Argument He Couldn't Lose
Kai has twenty-four hours. The motion: abolish all pharmaceutical IP protections. He ran the same scenario twice with flipped lens weights, once as prosecution, once as defence, and found the argument nobody expected: a Rawlsian justice framework that reframed the entire debate. His opponents prepared for economics. He brought philosophy. He won the round.
Following the Money Until It Disappears
Amira covers extractive industries. She uploaded a redacted concession agreement, an environmental assessment written by the mining company's own shareholder, and community protest letters. The Political lens traced the approval chain and found three regional authority members with undisclosed connections to the mining company's legal counsel. The story wrote itself.
Live Demo: Each tab is a self-contained analytical lens. Select one to explore.
Core · 9 Tools
Scenarios
This demo showcases the interface and core lens mechanics only — no AI or LLM is connected.
The full desktop app integrates with Ollama for private, local AI analysis.
The Ethics Essay That Wrote Itself
Lena is writing a 5,000-word essay on the ethics of AI-generated art. Every argument she makes opens a door she can't close. She ran the Ethical lens across five frameworks, and the one that surprised her was the rights-based analysis: AI art might create a new right, the right of every person to create visual art regardless of manual skill. Her thesis changed shape. It was no longer "AI art is wrong"; it was "AI art forces us to decide whether art is defined by the process or the product." Her tutor gave her the best mark of the semester.
The Startup That Almost Built the Wrong Thing
Sofia is building an app that helps small landlords manage rental properties. She uploaded her business plan, competitive analysis, and user research to the Source Vault, and asked the question she'd been avoiding. The Economic lens showed her pricing model was fantasy. The Technological lens confirmed there was no moat. But the Social lens offered the pivot: the real pain wasn't management; it was the relationship between landlord and tenant. She rewrote her pitch deck. The seed round closed three weeks later.