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Second Clock vs Trilium Notes

Professional comparison and analysis to help you choose the right software solution for your needs.

Second Clock icon
Second Clock
Trilium Notes icon
Trilium Notes

Second Clock vs Trilium Notes: The Verdict

⚡ Summary:

Second Clock: Second Clock is a free, open-source time tracking software for Windows. It allows users to track time spent on tasks and projects, with features like time entry tracking, reports, and productivity analytics.

Trilium Notes: Trilium Notes is an open-source hierarchical note taking application focused on building large personal knowledge bases. It has a tree-structured notes system allowing easy organization of ideas and supports features like linking between notes, embedding media, tagging, encryption, etc.

Both tools serve their respective audiences. Compare the features, pricing, and user ratings above to determine which best fits your needs.

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature Second Clock Trilium Notes
Sugggest Score
Category Office & Productivity Office & Productivity
Pricing Open Source Open Source

Product Overview

Second Clock
Second Clock

Description: Second Clock is a free, open-source time tracking software for Windows. It allows users to track time spent on tasks and projects, with features like time entry tracking, reports, and productivity analytics.

Type: software

Pricing: Open Source

Trilium Notes
Trilium Notes

Description: Trilium Notes is an open-source hierarchical note taking application focused on building large personal knowledge bases. It has a tree-structured notes system allowing easy organization of ideas and supports features like linking between notes, embedding media, tagging, encryption, etc.

Type: software

Pricing: Open Source

Key Features Comparison

Second Clock
Second Clock Features
  • Time tracking
  • Productivity analytics
  • Multiple timers
  • Idle time tracking
  • Task management
  • Reporting
  • Export data
Trilium Notes
Trilium Notes Features
  • Hierarchical tree-structured notes
  • Rich text notes with markdown support
  • Note linking and embedding
  • Media attachments
  • Tagging and full-text search
  • Note encryption
  • Sync through Git and WebDAV

Pros & Cons Analysis

Second Clock
Second Clock

Pros

  • Free and open source
  • Simple and easy to use
  • Good for basic time tracking needs
  • Lightweight app
  • Can track idle time

Cons

  • Limited features compared to paid options
  • No mobile app
  • No collaboration tools
  • No invoicing
  • Basic reporting
Trilium Notes
Trilium Notes

Pros

  • Open source and self-hosted
  • Very flexible organization
  • Strong linking and embedding
  • Good for large personal knowledge bases

Cons

  • No mobile apps
  • Steep learning curve
  • Formatting options limited compared to Evernote/OneNote

Pricing Comparison

Second Clock
Second Clock
  • Open Source
Trilium Notes
Trilium Notes
  • Open Source

Ready to Make Your Decision?

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