Kimai vs Mattermost

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

Kimai

Mattermost

Kimai vs Mattermost: The Verdict

⚡ Summary:

Kimai: Kimai is an open source time tracking application. It allows users to track time spent on projects and tasks, and generates reports and invoices. Kimai is PHP-based and easy to install on Linux, Mac or Windows servers.

Mattermost: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.

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	Kimai	Mattermost
Sugggest Score	—	—
Category	Office & Productivity	Social & Communications
Pricing	Open Source	Freemium

Product Overview

Kimai

Description: Kimai is an open source time tracking application. It allows users to track time spent on projects and tasks, and generates reports and invoices. Kimai is PHP-based and easy to install on Linux, Mac or Windows servers.

Type: software

Pricing: Open Source

Mattermost

Description: Mattermost is an open-source, self-hosted online chat service with file sharing, search and integration capabilities. It supports text, images, videos and custom emojis across PCs and phones with instant notifications.

Type: software

Pricing: Freemium

Key Features Comparison

Kimai Features

Time tracking
Project management
Invoicing
Reporting
Role-based permissions
Multi-user
Multi-language
REST API

Mattermost Features

Team messaging
File sharing
Search
Integrations
Cross-platform support

Pros & Cons Analysis

Kimai

Pros

Open source
Self-hosted
Customizable
Easy to use
Active development community

Cons

Limited integrations
Can be complex for simple needs
Steep learning curve

Mattermost

Pros

Open source
Self-hosted
Highly customizable
Strong security
Active development community

Cons

Requires technical expertise to setup and manage
Limited native mobile apps
Less third-party integrations than proprietary options

Pricing Comparison

Kimai

Open Source

Mattermost

Freemium

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