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3CX vs Kosmi

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

3CX icon
3CX
Kosmi icon
Kosmi

3CX vs Kosmi: The Verdict

⚡ Summary:

3CX: 3CX is an open-source IP PBX software solution that works with popular SIP phone systems. It offers unified communications features like auto attendants, call routing, voicemail, video conferencing, and more.

Kosmi: Kosmi is a free and open-source virtual workspace software. It allows users to create multiple virtual desktops to organize applications and windows. Kosmi aims to improve productivity by letting users easily switch between desktops.

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 3CX Kosmi
Sugggest Score — —
Category Business & Commerce Os & Utilities
Pricing Open Source Open Source

Product Overview

3CX
3CX

Description: 3CX is an open-source IP PBX software solution that works with popular SIP phone systems. It offers unified communications features like auto attendants, call routing, voicemail, video conferencing, and more.

Type: software

Pricing: Open Source

Kosmi
Kosmi

Description: Kosmi is a free and open-source virtual workspace software. It allows users to create multiple virtual desktops to organize applications and windows. Kosmi aims to improve productivity by letting users easily switch between desktops.

Type: software

Pricing: Open Source

Key Features Comparison

3CX
3CX Features
  • VoIP PBX
  • Auto Attendant
  • Call Recording
  • Call Reporting
  • IVR
  • Voicemail
  • Video Conferencing
  • Instant Messaging
  • Presence
  • CRM Integration
Kosmi
Kosmi Features
  • Create multiple virtual desktops
  • Organize applications and windows across desktops
  • Easily switch between desktops
  • Customizable desktops with wallpapers and icons
  • Keyboard shortcuts for desktop switching
  • Support for multiple monitors

Pros & Cons Analysis

3CX
3CX

Pros

  • Open source
  • Easy to use interface
  • Supports popular SIP phones
  • Has free edition
  • Good value for money

Cons

  • Limited mobile apps
  • Steep learning curve initially
  • Complex pricing structure
  • Requires dedicated hardware/server
Kosmi
Kosmi

Pros

  • Improves productivity and organization
  • Virtual desktops keep workspaces separate
  • Free and open source
  • Lightweight and customizable
  • Works well with multiple monitors

Cons

  • Limited customization compared to paid options
  • Can be confusing for new users
  • Lacks some advanced features like window rules

Pricing Comparison

3CX
3CX
  • Open Source
Kosmi
Kosmi
  • Open Source

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Learn More About Each Product

3CX
3CX
Reviews, pricing & alternatives →
Kosmi
Kosmi
Reviews, pricing & alternatives →

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