Head-to-Head Comparison · Alternative to Obsidian · 🧠 notes & knowledge
Obsidian vs OpenNotas
OpenNotas is a multi-platform, end-to-end encrypted note-taking app that offers simplicity, synchronization, and offline functionality. Here is how OpenNotas ($0/mo open source) stacks up against Obsidian ($10/mo) across cost, hosting, data privacy, and real-world trade-offs.
OpenNotas is a verified Open Source-licensed open-source replacement for Obsidian. Switching from Obsidian ($10/mo) saves $120/yr per solo seat, or $600/yr for a 5-person team. Deployment: Runs on Local.
The catch: Community-driven open source project without dedicated enterprise SLAs.
OpenNotas
$0.00/mo · Open Source
Obsidian vs OpenNotas Specifications
facts verified 2026-11-07
| Dimension | Obsidian (Paid) | OpenNotas (Replacement) |
|---|---|---|
| Monthly Price | $10 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $120 / yr | $0 / yr (Save $120) |
| 1-Year Cost (5 seats) | $600 / yr | $0 / yr (Save $600) |
| 1-Year Cost (10 seats) | $1,200 / yr | $0 / yr (Save $1,200) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Local (on your machine) |
| Platforms | Web / Cloud | desktopcross-platformone-click install |
| GitHub Stars | — | ★ 179 (active nov 2026) |
Deep Dive: Switching from Obsidian to OpenNotas
Trade-offs, installation & data architecture
What you trade away
Community-driven open source project without dedicated enterprise SLAs.
How to deploy OpenNotas
Clone https://github.com/tonghoai/opennotas or deploy with Docker Compose
What it takes to run
Download the native package or installer for your operating system.
Where your data lives
All application data lives locally on your own machine.
Why fork OpenNotas instead of vibe-coding a Obsidian clone?
Instead of paying recurring SaaS fees for Obsidian or rebuilding it from scratch, deploy one of the 18 battle-tested open-source alternatives like Macro Docs.
Obsidian vs OpenNotas FAQ
Is OpenNotas a good free alternative to Obsidian?+
Yes. OpenNotas is a verified open-source (Open Source) replacement for Obsidian. OpenNotas is a multi-platform, end-to-end encrypted note-taking app that offers simplicity, synchronization, and offline functionality.
What is the catch when switching from Obsidian to OpenNotas?+
Community-driven open source project without dedicated enterprise SLAs.
How much do you save switching from Obsidian to OpenNotas?+
Obsidian costs $10/mo ($120/yr) per seat, whereas OpenNotas is $0/mo. Switching saves $120/yr for a solo user, $600/yr for a 5-person team, and $1,200/yr for a 10-person team.
How do I install or self-host OpenNotas instead of Obsidian?+
Install: Clone https://github.com/tonghoai/opennotas or deploy with Docker Compose. Setup: Download the native package or installer for your operating system.
