Skip to main content
End-to-end encrypted • Peer-to-peer sync • Source-available

14 tools. One app.
Zero data on our servers.

Notes, tasks, calendar, budgeting, email, habits, and 8 more — all encrypted end-to-end and linked together. Replace $40+/month in subscriptions for $8/mo.

Try free for 7 days. All features included.

End-to-end encrypted Works offline No tracking
PrivStack application interface showing notes, tasks, and calendar

You're paying for apps that don't work together.

Notion for notes. Todoist for tasks. Google Calendar for scheduling. Day One for journaling. A contacts app. A file manager. Multiple subscriptions, multiple logins — and none of them can link a meeting to a task to a contact to a note without gluing them together with Zapier.

And every one of them stores your data on their servers — your private journal, your client contacts, your schedule — sitting on someone else's computer.

All-in-One

Everything you use. One app. One price.

PrivStack replaces your scattered productivity tools with a single encrypted suite where everything links together natively.

Replaces Notion
Notes
Block editor, backlinks, markdown, tables, full-text search
Replaces Todoist
Tasks
Lists, kanban boards, recurring tasks, priorities, time tracking
Replaces Google Calendar
Calendar
Day, week, month, and agenda views with CalDAV sync
Replaces YNAB
Budget & Finance Beta
Double-entry bookkeeping, zero-based budgeting, bank reconciliation
Replaces Gmail / Outlook
Email Beta
IMAP/SMTP with 7 providers, OAuth2, conversation threading
Replaces Day One
Journal
Daily entries with mood tracking, streaks, and rich formatting
Replaces Apple Contacts
Contacts & CRM
Companies, groups, interaction history, org chart, vCard import
Replaces Dropbox
Encrypted Files
Encrypted vault and media library with auto-import
Replaces Feedly
RSS Reader
Feeds with offline reading, categories, and OPML import
Replaces GitHub Gists
Code Snippets
Syntax highlighting for 23+ languages, collections, search
Replaces Spreadsheets
Data & SQL
Full SQL queries, live execution, cross-dataset JOINs

All linked together. A meeting links to a task links to a contact links to a note. No Zapier needed.

$8/mo for everything. Or $200 once and own it forever.

Core Features

Built for real work.

Powerful tools that work together out of the box. Link notes to tasks, tasks to calendar events, contacts to everything.

Notes

A block-based editor with backlinks, markdown, sticky boards, and structured tables. Organize everything with pages and full-text search.

  • Block editor with drag-and-drop
  • Structured tables with CSV/JSON import & export
  • Board View — free-form sticky note canvas
  • Wiki-style [[backlinks]] and templates
See all features
Notes
Notes in PrivStack

Tasks

Four views, algorithmic prioritization, built-in time tracking, and semantic linking to every other plugin.

  • List, Kanban, GTD Timeline, and Calendar views
  • Pairwise comparison prioritization engine
  • Built-in time tracking with timer
  • 8 statuses, subtasks, recurring tasks
See all features
Tasks
Tasks in PrivStack

Calendar

Day, week, month, and agenda views. Import from CalDAV, link events to notes and tasks.

  • Four views — day, week, month, agenda
  • CalDAV bidirectional sync
  • Recurring events with exceptions
  • Drag-and-drop scheduling
See all features
Calendar
Calendar in PrivStack
Beta

Meet Duncan, your AI assistant

A private AI that searches your data semantically, executes actions across plugins, and runs on your device or your own API keys. Opt-in only.

RAG semantic search Intent execution Local LLM support Speech-to-text Multi-provider
Privacy & Sync

Encrypted end-to-end. Synced peer-to-peer.

Your data is encrypted on your device before it goes anywhere. Not even PrivStack can read it — no matter how you sync or who you share with.

Encrypted by default

Everything is encrypted on your device before it leaves. Your data stays unreadable to everyone except you.

Sync with a 4-word code

Pair your devices with a simple code. No cloud account, no sign-up. They sync automatically.

Workspace isolation

Separate work, personal, and projects into isolated workspaces with their own data, plugins, and encryption keys.

Works fully offline

Every feature works without an internet connection. Your data lives on your devices, not on a server.

This isn't a privacy policy. It's architecture. Read how it works

Pricing

Simple pricing. All features included.

Every module, every update. No feature gating, no upsells. Pick what works for you.

Monthly

Flexible, cancel anytime.

$8 /mo
  • All features and modules
  • P2P sync across all your devices
  • 7-day free trial
Start Free Trial

Annual

Save $16 — two months free.

$80 /yr
  • Everything in Monthly
  • All current and future updates
  • 7-day free trial
Start Free Trial
BEST VALUE

Perpetual

Own it forever.

$200 one-time
  • Lifetime access, all future updates
  • Pays for itself in 25 months
  • No recurring fees, ever
Buy Perpetual

All plans include a 7-day free trial. Compare plans

Ditch the subscription pile.

Try PrivStack free for 7 days. All features. All your data stays on your devices.

End-to-end encrypted Works offline No account required