01
Create
Write rich documents with formatting, images, tables, links, and export.
Personal workspace with AI
Your ideas are scattered.Your work doesn't have to be.
Zerus brings your documents, notes, and texts together in a personal workspace so you can organize your knowledge, return to your ideas with context, and work better with AI.
Personal workspace with AI
ZPick up where you left off
Rich document editor128
Documents and folders42
Quick notes8
Workspace activityLast 7 days
Rich document editorQuick notes
Pick up where you left off
Content planRich document editor
Research notesDocuments and folders
Ideas for the next projectQuick notes
Review calendar6 / 8
Visual concept · sample data
Rich document editorContextual AI in supported writing flowsDocuments, notes, and foldersKanban, calendar, and revisit flowsConverters to turn media into editable text
Our Official Partners
Gemini
OpenAI
Claude
OpenRouter
How it works
Create, organize, and revisit work in one workspace
The Dashboard, documents, folders, quick notes, and reviews offer complementary ways to continue your work. The experience stays calm and clear while connections between materials evolve gradually.
02
Improve
In supported flows, use Contextual AI to review, summarize, and translate texts.
03
Organize
Organize documents and notes with Folders, Quick Notes, Kanban, and Reviews.
04
Resume
Return through the Dashboard, scheduled Reviews, Folders, or Kanban cards.
Features
Everything you need to work better with text
Rich document editor
Write full documents in the browser and use AI to review, rewrite, translate, and improve passages without leaving the flow.
Documents and folders
Organize text by topic, project, study, or life area. Find and revisit materials more easily.
Quick notes
Capture ideas, reminders, excerpts, and thoughts before they disappear. Then turn notes into more structured text.
Review calendar
Schedule document and note reviews so you can return at the right time, especially for study, projects, and recurring work.
Content Kanban
Organize texts, notes, and documents by status. Plan what is in idea, in progress, review, or done.
Media converters
Turn files and media into editable documents so you can keep working on the content inside Zerus.
Contextual AI chat
Talk to AI about the content you are working on and get help to create, summarize, adapt, and improve it.
Brand Kit and preferences
Keep style, tone, audience, and personal instructions so responses stay aligned with the way you write.
Contextual AI chat
AI that works with your texts, not just next to them
In supported flows, Zerus uses relevant context to rewrite, review, translate, summarize, or answer questions. Preferences and your Personal Brand Kit can guide specific experiences while the scope remains clear and under your control.
Explore features
Turn scattered notes into an article outline.Create a checklist from a text.Review errors and improve readability.Generate a more professional version of a message.Ask questions about the content in progress.
Where thought meets organization.
Your texts should not be spread across multiple tools
Loose notes, documents spread across different apps, and isolated AI tools break the flow. The overload is not a lack of intelligence; it is the lack of one place to organize materials and continue the work.
- Texts, documents, and notes stay disconnected.
- AI tools respond without understanding your workspace.
- Important material does not come back at the right time.
- Creating content is easy; revisiting and reusing it is still hard.
How it works
From loose text to reusable knowledge
01
Add your content
Start with a text, document, note, idea, or converted file.
02
Work with AI
Rewrite, translate, review, summarize, ask, or transform the content into another format.
03
Organize in the workspace
Use folders, tags, cards, calendar, and reviews to add context to the material.
04
Resume when needed
Come back through the dashboard, a scheduled review, a card, or a folder.
05
Build memory over time
As the workspace grows, Zerus gets closer to a second brain for your texts and ideas.
Zerus
For studying, writing, researching, and organizing text work
For students
Organize class materials, summarize texts, review essays, prepare study sessions, and follow reviews in one workspace.
For professionals
Create reports, proposals, messages, and recurring documents with AI support and an organized library.
For creators and writers
Turn ideas into articles, adapt text to different tones, review content, and keep assignments moving.
For researchers and self-learners
Keep notes, sources, summaries, and documents to build a personal knowledge base.
For people who think by writing
Capture ideas, develop reasoning, and return to important text without depending on memory or scattered files.
Personal workspace with AI
One step at a time toward your second brain
Second brain is Zerus's long-term direction: helping you remember, connect, and reuse accumulated knowledge. It is not a complete current capability; it depends on gradual evolution, controlled context, privacy, and evidence of value.
Organize your next text in Zerus.
Start with a document or quick note, then use the available tools to write, organize, and return to your work.
Pricing
Simple plans to grow your knowledge base
FREE
For people just getting started
Free
- Full text editor
- Basic documents and notes
- Daily contextual AI quota
- Limited converters
- Document export
ESSENTIAL
For daily AI usage
R$19.00/month
- 30 AI credits per day
- Reviews included in the plan
- Notes and documents within plan limits
- Kanban included in the plan
- Fast model by default
Coming Soon
PLUS
For advanced AI and Brand Kit
R$39.00/month
- Everything in Essential
- 1,500 monthly advanced AI credits
- Personal Brand Kit
- Complex model when applicable
- AI refinements and converters
Features, AI credits, and limits vary by plan and supported flow. Review the details before confirming an upgrade.
FAQ
Frequently asked questions about Zerus
What is Zerus?
Zerus is a personal workspace for writing and knowledge. It combines a text editor, folders, quick notes, reviews, Kanban, converters, and contextual AI.
Is the editor part of the Zerus workspace?
Yes. The rich editor is central to Zerus and works alongside folders, quick notes, reviews, Kanban, and other ways to revisit your work.
How does Zerus AI help with writing?
Contextual AI helps rewrite, translate, summarize, review, and adapt text based on the content in progress and your personal Brand Kit.
Can I organize my documents in Zerus?
Yes. Zerus centralizes documents, quick notes, and text materials in folders, cards, reviews, and return flows.
Is Zerus useful for students and professionals?
Yes. Students can organize materials, summarize texts, and follow reviews. Professionals can create reports, proposals, and outlines with AI support and an organized library.
What does second brain mean in Zerus?
Second brain is the long-term vision of the product: helping people remember, connect, and reuse knowledge from the texts, documents, and notes they add to the workspace.