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Calculix vs Things

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

Calculix icon
Calculix
Things icon
Things

Calculix vs Things: The Verdict

⚡ Summary:

Calculix: Calculix is an open-source finite element analysis application designed for linear and non-linear structural applications. It utilizes an implicit finite element solver with sparse matrix technology for computing structural deformations, stresses, and strains.

Things: Things is a task management app for Mac and iOS that helps users organize projects and to-do lists. It has a simple, clean interface and features like tags, reminders, and deep Apple integration.

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 Calculix Things
Sugggest Score — —
Category Science & Engineering Productivity
Pricing Open Source —

Product Overview

Calculix
Calculix

Description: Calculix is an open-source finite element analysis application designed for linear and non-linear structural applications. It utilizes an implicit finite element solver with sparse matrix technology for computing structural deformations, stresses, and strains.

Type: software

Pricing: Open Source

Things
Things

Description: Things is a task management app for Mac and iOS that helps users organize projects and to-do lists. It has a simple, clean interface and features like tags, reminders, and deep Apple integration.

Type: software

Key Features Comparison

Calculix
Calculix Features
  • Linear and non-linear structural analysis
  • Implicit finite element solver
  • Sparse matrix technology
  • Pre- and post-processing with CGX
  • Thermal analysis
  • Coupled thermo-mechanical analysis
  • Shape optimization
  • Buckling analysis
Things
Things Features
  • Task management
  • Project organization
  • To-do lists
  • Tags
  • Reminders
  • Deep Apple integration

Pros & Cons Analysis

Calculix
Calculix

Pros

  • Free and open source
  • Wide range of analysis capabilities
  • Good performance for large models
  • Integrated pre- and post-processing

Cons

  • Steep learning curve
  • Limited documentation and support
  • Not as user friendly as commercial alternatives
Things
Things

Pros

  • Simple, clean interface
  • Powerful organization features
  • Seamless syncing between Mac, iPhone, iPad
  • Strong Apple integration

Cons

  • No web app
  • Can be pricey for extensive features
  • iOS-focused features may not appeal to non-Apple users

Pricing Comparison

Calculix
Calculix
  • Open Source
Things
Things
  • Not listed

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Learn More About Each Product

Calculix
Calculix
Reviews, pricing & alternatives →
Things
Things
Reviews, pricing & alternatives →

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