Head-to-Head Comparison · Alternative to Microsoft OneNote · 🧠 notes & knowledge
Microsoft OneNote vs Trilium Notes
A personal knowledge tree with relations, attributes and a sync server you control. Here is how Trilium Notes ($0/mo open source) stacks up against Microsoft OneNote ($7/mo) across cost, hosting, data privacy, and real-world trade-offs.
Trilium Notes
$0.00/mo · AGPL-3.0+
Microsoft OneNote vs Trilium Notes Specification Matrix
facts verified 2026-08-10
| Dimension | Microsoft OneNote (Paid) | Trilium Notes (Replacement) |
|---|---|---|
| Monthly Price | $7 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $84 / yr | $0 / yr (Save $84) |
| 1-Year Cost (5 seats) | $420 / yr | $0 / yr (Save $420) |
| 1-Year Cost (10 seats) | $840 / yr | $0 / yr (Save $840) |
| Source & License | Proprietary SaaS | open source AGPL-3.0+ |
| Where It Runs | Vendor Cloud | Local or hosted (your machine or their cloud) |
| Platforms | Web / Cloud | desktopwebself-hostedextensionone-click install |
| GitHub Stars | — | ★ 38.7k (active aug 2026) |
Deep Dive: Switching from Microsoft OneNote to Trilium Notes
Trade-offs, installation & data architecture
What you trade away
Trilium uses a hierarchical note tree and client-server sync rather than Anytype's typed object graph and encrypted peer-to-peer space model.
How to deploy Trilium Notes
Desktop release package, or Docker Compose/image for a server and browser client
What it takes to run
The desktop app is straightforward, but cross-device sync and browser access require operating a Trilium server, persisting document.db, and handling backups and upgrades
Where your data lives
Notes, hierarchy, attributes, revisions, and most attachments live in a local or server-side SQLite database named document.db; notes can be exported to HTML, Markdown, or OPML
Why fork Trilium Notes instead of vibe-coding a Microsoft OneNote clone?
Instead of paying recurring SaaS fees for Microsoft OneNote or rebuilding it from scratch, deploy one of the 3 battle-tested open-source alternatives like Trilium Notes or Xournalpp.
Microsoft OneNote vs Trilium Notes FAQ
Is Trilium Notes a good free alternative to Microsoft OneNote?+
Yes. Trilium Notes is a verified open-source (AGPL-3.0+) replacement for Microsoft OneNote. A personal knowledge tree with relations, attributes and a sync server you control.
What is the catch when switching from Microsoft OneNote to Trilium Notes?+
Trilium uses a hierarchical note tree and client-server sync rather than Anytype's typed object graph and encrypted peer-to-peer space model.
How much do you save switching from Microsoft OneNote to Trilium Notes?+
Microsoft OneNote costs $7/mo ($84/yr) per seat, whereas Trilium Notes is $0/mo. Switching saves $84/yr for a solo user, $420/yr for a 5-person team, and $840/yr for a 10-person team.
How do I install or self-host Trilium Notes instead of Microsoft OneNote?+
Install: Desktop release package, or Docker Compose/image for a server and browser client. Setup: The desktop app is straightforward, but cross-device sync and browser access require operating a Trilium server, persisting document.db, and handling backups and upgrades
