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uAI
AI assistant
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Introdução
Todo o teu espaço de trabalho.
Numa página do navegador.
uOS is a real desktop that opens in a tab. Chat, mail, files, documents, spreadsheets, boards, calendar and AI — fifteen applications sharing one file system and one identity, on any device, with nothing to install. Your messages, files and documents are end-to-end encrypted in your browser. Built and run in the European Union, and free forever for individuals and families.
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O que você faz com ele
Um dia de trabalho, tudo numa janela.
Sign in and your desktop is there — the same one, on your laptop, your phone, a borrowed machine. Nothing to install, nothing left behind when you close the tab.
Talk to your people
Message one-to-one or in groups, send voice notes and files, and jump into a video call — with automatic translation across 26 languages when you need it.
Chat and calls →Handle your mail
A real inbox with folders, attachments, replies and search — plus contacts and a calendar that share the same address book, so scheduling never leaves the workspace.
Mail and calendar →Keep your files
Folders, drag-and-drop upload, previews and sharing with read, write or admin rights per file — synced across every device you sign in on.
Files and storage →Write and calculate
Documents and spreadsheets with real-time co-editing — you see who else is in the file, formulas work, and .xlsx files import and export cleanly.
Documents and sheets →Run your projects
Kanban boards with cards, checklists, assignees and due dates, quick notes for anything you need to capture, and a task list that keeps the rest straight.
Boards, notes and tasks →Put AI to work
An assistant that reads your documents and helps you write, and a builder that turns a plain-language description into a working internal tool — no server to set up.
AI and Studio →
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Vê-lo a correr
Nem um pacote de abas. Uma máquina.
Every application below is a real window in the same desktop, sharing one file system, one contact list and one identity. Pick any of them to watch it run.
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uChat
Messaging and conversations
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uMeet
Direct peer-to-peer video & audio calls
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uMail
Encrypted email
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Contacts
People and groups
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uLine
Social feeds inside the OS
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Calendar
Events
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uTodo
Encrypted to-do list
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uBoards
Kanban boards
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uFiles
File management
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uNotes
Encrypted personal notes
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uDoc
Document editor
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uSheet
Spreadsheet editor
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uStudio
AI-powered app builder
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Account
Identity, recovery and audit
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Soberania
Três propriedades que você não vai encontrar juntos em qualquer outro lugar.
Cada um é uma propriedade de como o sistema é construído, não uma reivindicação de marketing.
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Construído e operado na Europa
Infrastructure hosted in the European Union. GDPR-compliant by architecture. Source code, deployment, support — all European.
Por que isso importa?
Infra-estrutura europeia significa que a Lei de CLOUD dos EUA não se aplica. Nenhum acesso extraterritorial aos seus dados, nunca.
No US CLOUD Act · Sem jurisdição extraterritorial
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Zero cookies, zero rastreamento
No cookies. No trackers. No data resale. The server only stores public keys and encrypted blobs — it cannot read your content.
Por que isso importa?
Sem scripts de terceiros, não há vetor de ataque de cadeia de suprimentos. Nenhum terceiro pode traçar o perfil da sua leitura.
O servidor armazena apenas o texto cifrado
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Sua IA, seu modelo
A IA incorporada usa o provedor que você escolhe: modelo interno, implantação em nuvem privada ou API comercial em sua própria chave.
Por que isso importa?
Seus alertas e conversas não são usados para treinar modelos comerciais. Inferência de IA permanece privada para sua conta.
Nenhum provedor imposto, nunca
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Engenharia
Como protegemos os seus dados.
If you are not an engineer, here is the idea: there are computers — quantum computers — that one day will be able to decrypt what is encrypted today. UltimaOS already uses the new generation of cryptography, NIST-standardized, designed to resist these quantum computers. This is the architectural choice, not a feature you can toggle off.
For engineers — the cryptographic stack EXPAND ↓
| Camada | Algoritmo | Padrão |
|---|---|---|
| Assinaturas | ML-DSA-65 | FIPS 204 |
| Encapsulamento de teclas | ML-KEM-768 | FIPS 203 |
| Criptografia simétrica | XChaCha20-Poly1305 | RFC 8439 |
| Derivação da chave | HKDF-SHA256 | RFC 5869 |
Zero RSA · Zero curva elíptica · 100% pós-quantum
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Acesso antecipado
Junte-se à primeira geração de utilizadores europeus.
UltimaOS is in active development. Access is free during the early access phase, invite-only. Organizations: direct access to the team building the system. Individuals: ask for an invite.
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Perguntas frequentes
Perguntas sobre o espaço de trabalho cifrado pós-quantum.
O que é um espaço de trabalho criptografado pós-quantum?
Resposta curta
A workspace whose cryptography resists attacks by future quantum computers. UltimaOS uses the NIST-standardized post-quantum algorithms ML-DSA-65 (FIPS 204) for digital signatures and ML-KEM-768 (FIPS 203) for key exchange, layered with classical XChaCha20-Poly1305 symmetric encryption. Private keys never leave your device.
UltimaOS GDPR é compatível?
Resposta curta
Yes. Infrastructure is hosted in the European Union, our company is established in the EU, and the architecture is GDPR-compliant by design — we cannot read your data, we do not run advertising, and we set zero cookies. See the security page for details.
Quais aplicativos o UltimaOS inclui?
Resposta curta
Fifteen applications today: Account, Contacts, uMeet, uFiles, uChat, uTodo, uStudio, uAI, uDoc, uSheet, Calendar, uBoards, uMail, uNotes, uLine — with uMarket and others on the roadmap. Chat, mail, files, notes, tasks, documents, spreadsheets and private boards are end-to-end encrypted in your browser; calendar events, AI conversation history and Studio app source are readable server-side today, and each application page says which applies.
UltimaOS pode ser usado para negócios?
Sim. uOS for Business offers European organizations a zero-knowledge workspace for their teams. Invite-bound membership, signed audit logs, bring-your-own-AI, managed single-tenant deployment, and EU-only data residency.
O que faz UltimaOS diferente de Signal ou Próton?
UltimaOS is a full operating system — chat, mail, files, documents, boards, calendar, contacts — running in your browser with a single private key working across every app. It is post-quantum end-to-end, across every operation, with no fallback to classical primitives. And it is built and operated in the European Union under EU privacy law.
Como é que a criptografia pós-quantum me protege hoje?
A "store now, decrypt later" attack records encrypted traffic today and decrypts it once a sufficiently powerful quantum computer is available. Post-quantum algorithms defeat that attack vector. UltimaOS keys are rotated frequently, so even a quantum breach would yield only a narrow slice of historical data.
Onde posso aprender mais sobre as escolhas criptográficas?
Our engineering pages document the exact cryptographic stack, with references to NIST FIPS 203, FIPS 204, and the relevant IETF RFCs. Those algorithms are public standards you can verify independently. The client ships to your browser as a standard single-page app, so the code that runs can be inspected directly in developer tools — inspectable today, with signed reproducible builds on the roadmap to make it mechanically verifiable. The backend is proprietary; you can query its behaviour from inside uOS, where uAI answers questions about how it works.
Como posso tentar UltimaOS?
O acesso é gratuito durante a fase de acesso precoce, apenas para convidados. Solicitar um convite and the team will respond within a few days. Organizations can request direct access for an extended pilot.
Procuras outra coisa? Ver o total FAQ or about the team.