Laying out the streets…STEP 1 OF 3

Granite · Office #43,904

Encrypted second brain your AI tools can actually use

In the Notes and remembering neighborhood (Personal). In town since 18 Oct 2026.

Nobody has claimed this office yet. Tablif records every new product and gives it an office; when its owner claims it, the lights go on.

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What Tablif read on Granite's site

Granite describes itself as: “Granite: secure second brain & AI knowledge base for teams”

What it is

Calls itself “second brain”.

  • Calls itself: second brain
“Granite is a Markdown second brain, encrypted with a separate key for every vault and synced across phone, tablet, desktop and web.”

Where it puts itself

Publishes a comparison page.

“Unlike most note apps, it also lets your AI tools search your notes safely”
“Granite never uses your notes to train AI models”

What it costs

Monthly subscription. A free tier, free forever. Has an enterprise plan. Prices quoted: $14.99 / seat / month, $3.99/mo.

  • Monthly: yes
  • Free plan: free forever
  • Price: $14.99 / seat / month · $3.99/mo
  • Enterprise plan: yes
“$14.99 / seat / month”
“Free forever; Pro $3.99/mo, no AI surcharge.”
“Pro $3.99/mo, no AI surcharge.”

Who it sells to

Sells to businesses and consumers. Built for solo users and teams.

  • Sells to: businesses and consumers
  • Company size: solo / indie · teams
“Granite is a secure knowledge base and second brain for individuals and companies.”
“A private second brain for one person.”

How it runs

A desktop app, mobile app and web app. Hosted in the cloud. Distributed through the Play Store. Offers an API. AI is the core of the product.

  • Kind: desktop · mobile · web
  • Runs where: cloud / hosted
  • Distributed via: Play Store
  • API: yes
  • AI role: core to the product
“Granite is a Markdown second brain, encrypted with a separate key for every vault and synced across phone, tablet, desktop and web.”
“Play Store -> https://www.producthunt.com/r/6ZERTH5Y6UJJKO?utm_campaign=producthunt-api&utm_medium=api-v2&utm_source=Application%3A+Tablif+%28ID%3A+291874%29”

What it works with

Names ChatGPT, Claude and 4 more on its pages.

  • Names: ChatGPT · Claude · Confluence · +3
“A built-in MCP server lets Claude, ChatGPT and Cursor search”
“Compare Granite vs Obsidian, Notion, Confluence”

What it offers as proof

Live, no waitlist. Shows customer logos. Compliance: CCPA and GDPR. Try it without signing up. Publishes docs and a blog.

  • Customer logos: yes
  • Compliance: CCPA · GDPR
  • Instant signup: yes
  • Trial asks for: nothing
“Start free”
“No card required”

Sources

Tablif read these pages, last on 18 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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