Issabel vs Things

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

Issabel

Things

Issabel vs Things: The Verdict

⚡ Summary:

Issabel: Issabel is an open-source unified communications platform that provides PBX, voicemail, fax, instant messaging, and other communication tools. It is built on top of FreePBX and the Asterisk IP PBX.

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	Issabel	Things
Sugggest Score	—	—
Category	Network & Admin	Productivity
Pricing	Open Source	—

Product Overview

Issabel

Description: Issabel is an open-source unified communications platform that provides PBX, voicemail, fax, instant messaging, and other communication tools. It is built on top of FreePBX and the Asterisk IP PBX.

Type: software

Pricing: Open Source

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

Issabel Features

PBX system
Voicemail
Fax server
Instant messaging
Call center
IVR
Call recording

Things Features

Task management
Project organization
To-do lists
Tags
Reminders
Deep Apple integration

Pros & Cons Analysis

Issabel

Pros

Open source
Free
Highly customizable
Supports multiple languages
Integrates with CRMs

Cons

Steep learning curve
Requires technical expertise to setup and manage
Limited official support
Some features may require additional licensing

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

Issabel

Open Source

Things

Not listed

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