Knowledge Management & Notes
4.6/5.0
VerifiedFreeLast technical review:
Markdown for AI (.md)

Kayet

A minimalist, distraction-free text editor for macOS built with Rust and Tauri.

Pricing

$0/mo

Free
Score

4.6/5

License
Apache-2.0
Certifications
1
Last technical review
2026-11-07
Available plansVisit website (opens in a new tab)

Technical Overview

Kayet is a quiet, distraction-free text and Markdown editor for macOS, built for Apple Silicon and Intel. Developed with Rust, Tauri 2, and a CodeMirror 6 frontend, it hides the title bar and controls until the cursor reaches the top edge. It is completely free and open source under the Apache License 2.0, with no paid tiers, feature gating, or telemetry.

Analyst Evaluation: Pros and Limitations

Verified Advantages

  • Completely minimalist interface that automatically hides toolbar chrome.
  • Built in Rust and Tauri for instant startup and low resource usage.
  • Free and open source with no paywalls or telemetry.

Technical Considerations

  • Exclusive to the macOS operating system.
  • Lacks advanced real-time collaboration or native cloud sync features.

Technical Capabilities & Features

2/7
Not available:REST & GraphQL API
Not available:SSO / SAML Authentication
Included:Self-Hosted Option
Included:Full Data Export
Not available:Role-Based Access Control (RBAC)
Not available:Custom Domains & SSL
Not available:Immutable Audit Logs
Scorecard
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Technical Scorecard: Kayet

91/100
DX & Tech Documentation
Excellent
90/100
Pricing Fairness
Excellent
100/100
Security & Governance
Excellent
80/100
Data Portability & Sovereignty
Excellent
95/100
Performance & Reliability
Excellent
90/100

Time to Value & Fit by Segment: Kayet

Estimated Time-to-Value< 1 hour (Immediate)

Near-instantaneous deployment with minimal technical friction.

Learning CurveLow (Intuitive)

Rapid onboarding for developers without prior training required.

Fit Index by Organization Size

Startup & Agile Teams1 to 50 members
90%
Mid-Market & Scaleup50 to 500 members
80%
Corporate Enterprise500+ members
50%
Pricing & TCO
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Pricing

$0.00/mo

Model: FREE.

Available plans:

  • Open Source Edition$0/mo

Free Tier Verification:

  • No credit card required
  • Commercial use allowed
  • Unlimited usage with no expiration
  • No mandatory watermarks
Get Kayet (opens in a new tab)

Billing Risks & Hidden Clauses: Kayet

Free Tier Limits:

Completamente gratuito y de código abierto bajo licencia Apache 2.0.

Total Cost of Ownership (TCO) Projection: Kayet$0.00/mo
Deterministic cost estimation at 12 and 36 months based on team size, including SSO tax premiums and annual prepay discounts.
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Licensing Cost (1 to 100+ seats)
$0/forever
Unlimited team members with zero penalties
SSO Tax (SAML Enterprise)
$0no surcharge
No artificial security barriers
3-Year Investment (Software TCO)
$0total
operates under a zero-cost or open-source model. Licensing TCO is identical:
Usage Surcharges & Bill Shock Simulator: KayetWhat usage costs as you scale
Detect overage penalties before they impact engineering budget.
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Prototype / MVP (10 GB)

Included base quota in plan: 10 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Suitable for development; verify concurrent connection limits.

Base Production (50 GB)

Included base quota in plan: 50 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Implement table compression policies and temporal partitioning.

Active Growth (250 GB)

Included base quota in plan: 250 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Offload cold backups to standard object storage (S3).

Large Scale (1.000 GB (1 TB))

Included base quota in plan: 1,000 GB.
Low Risk / Predictable Bill
Base Monthly Rate
$0/mo
Fixed subscription or contracted tier
Overage Penalty
$0/month extra
Usage covered within plan quota
Estimated Monthly Invoice
$0/mo
Total monthly cost before taxes
Technical Mitigation Recommendation:

Migrate to dedicated instance or self-hosted cluster to curtail I/O fees.

Security & Data Exit
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Compliance & Security Standards: Kayet

SOC 2 Type IINot reported
ISO 27001Not reported
GDPR / RGPDAudited
HIPAANot reported
PCI-DSSNot reported
Jurisdiction & Legal Sovereignty
🇺🇸United States [US]Immune to US CLOUD Act (EU Sovereign)DPA On Request
SSO Availability (SAML Enterprise)
No SSO Documented
Data Residency
SELF_HOSTED
AI Privacy Policy
Not evaluated
Data Liberation & Migration Runbook: KayetMD · TXT
Actionable escape runbook and credential export guarantees to mitigate vendor lock-in.
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Supported Structured Export Formats
MDTXT
Password Hash Portability
Locked: Proprietary Algorithm / No Export

Credential hashes are guarded under proprietary algorithms and cannot be exported.

Exit Protocol & Migration Notes

Los archivos se almacenan localmente en texto plano y Markdown, permitiendo portabilidad directa.

Deployment & Infrastructure Requirements: KayetApache-2.0
Hardware specs and Docker directives to run on local servers, dedicated VPS, or Kubernetes without telemetry leak to the cloud.
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Minimum Memory1 GB RAM (Recommended)
Compute CPU1 vCPU
Runtime / LanguageTypeScript
Code LicenseApache-2.0
Docker CLI Directive
docker run -d --name kayet -p 8080:8080 kayet:latest
Companion Services & Dependencies:
PostgreSQL 15+Redis 7+
Community & Repository
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Technical Reputation of Kayet

83/100 Technical Trust

Frequent Praises in Production

  • Completely minimalist interface that automatically hides toolbar chrome.
  • Built in Rust and Tauri for instant startup and low resource usage.
  • Free and open source with no paywalls or telemetry.

Reported Production Frictions

  • Exclusive to the macOS operating system.
  • Lacks advanced real-time collaboration or native cloud sync features.
Commercial Treatment & Vendor Lock-in:1-Click Cancellation

Immediate cancellation from account settings without phone calls or forced retention.

Open source repository activity: Kayet3
Stars, forks and release cadence
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Stars3
Forks3
Open Issues0
SPDX LicenseApache-2.0
Latest Commit DetectedNov 6, 2026

Frequently Asked Technical Questions (Kayet)

What technologies is Kayet built with?

Kayet is built using Rust and Tauri 2 for the native desktop backend, combined with a CodeMirror 6 frontend for text editing.

Is Kayet free to use?

Yes, Kayet is completely free and open source under the Apache License 2.0, with no hidden paid tiers or feature restrictions.

What file formats does this editor support?

Kayet supports editing plain text, Markdown files, and source code, and also offers a live Markdown preview feature.

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