Best open source

Zeitguru alternative

Kimai is the #1 open-source time-tracking alternative for Zeitguru. Learn how Kimai measures up to Zeitguru, so you can choose the right solution for your business.

Kimai vs Zeitguru: Which time tracking software fits your team best in 2026?

Kimai is the #1 open-source time-tracking solution designed for teams and businesses seeking flexibility and control over their time tracking infrastructure. Discover why more than 7000 companies worldwide trust Kimai for their time tracking needs and find out how it compares to Zeitguru’s offerings. Whether you’re evaluating a new time tracking app, analyzing Zeitguru pricing options, or planning a Zeitguru migration, Kimai provides a compelling alternative with superior features and cost savings.

Choosing the right time tracking software can make a huge difference in productivity, transparency, and billing accuracy of a freelancer, an agency, or a business owner managing a big team.

Reporting feature

When selecting a time tracking tool, most users consider:

  • Features: Does it cover everything from tracking and reporting to invoicing and project management?
  • Price: Is it affordable (or even free) for the size of your team?
  • Flexibility: Can it adapt to your current workflow, integrations, and tech stack?
  • Accessibility: Does it support both desktop and mobile platforms, and can it be self-hosted or cloud-based?
  • Scalability: Will it still fit your needs as your business grows?

The year 2026 also brings focus on data privacy, automation, and team transparency in time management tools. At the same time the market offers a range of solutions for every use case, from solopreneurs to large enterprise teams, and you can always find the solution that best fits your needs.

Let’s explore the best time tracking tools for 2026 and see how Kimai compares with Toggl Track — two popular choices among professionals and successful teams worldwide.

Kimai features most used

Not all time tracking tools are created equal. The best solutions for agencies offer a specialized set of features to streamline your workflows.

Features

JSON API

Featuring an extensive JSON API for reading and writing data, so external apps and custom tools can communicate with Kimai.

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Customer Portal

Share client and project statistics and timesheets with anyone using a secret URL, optionally password protected.

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Teams

Teams connects users into logical groups, like departments. Limit access to data by assigning customers and projects to your teams.

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SAML

Log in and register users with SAML via your existing SSO identity provider, like Google Workspace, Authentik or Azure Active Directory.

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Invoicing

Configurable invoice templates, options for entry grouping, configurable invoice numbers, and multiple formats like PDF and DOCX.

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Reports and analyses

Analysis of recorded times by users, customers, projects, activities, tags, time periods and more.

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What users say about Kimai

At Kimai, we've designed our time tracking platform to meet the needs of agencies, teams, and freelancers. Our intuitive interface and powerful features help companies like yours work smarter and more profitably. You can now “listen” to the reviews of the real users.

I have been using Kimai cloud for more than 1 year, and I am very satisfied about it ! It became easier for me to send monthly reports to my clients and to track my time spent on the projects I’m working on. Thank you very much !

Nathanaël
Developer

We are an IT service provider and need to record our times for documentation and billing purposes.

We have already ‘struggled’ with various systems for recording and creating service reports / billing.

We finally found a good solution 3 years ago with Kimai. The highlights for us:

  • Speed When recording, searching, invoicing

  • Flexibility We can customise Kimai, the data can be exported. Our own invoice layout etc. is easily possible.

  • Cost Unbeatable value for money compared to other solutions.

We are so convinced by the product that we also use it with customers to replace Excel nonsense etc.

Kimai is a software solution that is fun to use.

Josef Wagner
WTS-IT GmbH

We’ve been using the brilliant Kimai tool for a while now and have recommended it to many people. Recently, we came up with an idea internally that we’ve implemented and are currently expanding. It involves an order management system with a management portal built on the Kimai platform. By the way, it’s absolutely fantastic. It’s truly impressive how well the tool has been documented and how open it is to customizations.

Thomas Reutimann
TRINTEC Informatik GmbH

The system addresses our time tracking needs with an easy-to-use interface, which has been a major pain point with other providers. We run it in-house on our existing Docker infrastructure, helping us minimize costs. The ability to host it ourselves is something that many other solutions lack, and it’s been a deal-breaker for us in the past.

Jonas Sander
Jonas Sander
Graphic Robotics

A user-friendly and reliable time-tracking tool that exceeds our expectations. It offers excellent value for the price, and the support team responds quickly, competently, and courteously.

Nicole S.
Gesellschaft Schweizerisch-Tibetische Freundschaft

Just a great app that is used in our company. It does not require a lot of resources on the server, has a great interface and a lot of features that are so necessary in everyday work.

Dimitro Pukalov
compacer GmbH

We have been using Kimai successfully since 2013. It has been running without any problems and very reliably since the beginning. We migrated to the latest version at the beginning of 2025 with the help of support, also without any problems. We can recommend Kimai to everyone. Many thanks to Kevin for his support.

Ralph W. Marthaler
Geschäftsführer

I don’t need to write much: Great software, friendly and fast support!

Ulrich Eckermann
ipm intranet projekt management gmbh

I needed to find a good time tracker on short notice, and wanted it to be EU hosted and open source. Luckily, I found Kimai and have been very happy with it ever since, especially because it is very straightforward and intuitive to use. After using it for my initial project, the Kimai team helped me migrate my data for company use, now allowing us to roll it out for the entire team without losing the original data. Keep up the good work!

Brian Osborn
Brian Osborn
Linux New Media

The best software for time tracking for freelancers and small businesses. We have been using it for 16 years, first as a local installation, then in the cloud version. It works without any problems or interruptions. Top software, top support! Unique recommendation.

Armin Bittner
Armin Bittner
HCM+ GmbH

All your time-tracking needs in one platform

Time is money, and tracking it effectively has become a necessity for project-based teams. Kimai is a powerful time-tracker that's been the favorite of many businesses worldwide. But how does it stack up against Zeitguru? Dive into this comprehensive comparison to find out why businesses are choosing Kimai over Zeitguru

See the difference

Compare Kimai vs. Zeitguru: choose the options that make the most sense for your business.

Kimai
On-Premise

  • Open source software : 
  • Available on-premises : 
  • Available in the cloud : 
  • Server location :  Your choice
  • Max. customers :  Unlimited
  • Max. projects :  Unlimited
  • Max. activities :  Unlimited
  • JSON API : 
  • Invoicing : 
  • Data export : 
  • SAML : 
  • Support :  Forum (GitHub)
  • Backups : 
  • TLS Certificate :  Additional costs
  • Custom domain :  Additional costs
  • Automatic upgrades : 
  • Server maintenance : 
  • IP access restriction : 
  • Custom content :  Paid plugin
  • Audit trail logs :  Paid plugin
  • Custom fields :  Paid plugin
  • Expense management :  Paid plugin
  • Task planning :  Paid plugin
  • Translations :  Paid plugin
  • Working hours, vacation, sickness, public holidays :  Paid plugin
Install

Kimai
Cloud

  • Open source software : 
  • Available on-premises : 
  • Available in the cloud : 
  • Server location :  Hetzner Cloud
    Germany (Falkenstein)
  • Max. customers :  Unlimited
  • Max. projects :  Unlimited
  • Max. activities :  Unlimited
  • JSON API : 
  • Invoicing : 
  • Data export : 
  • SAML : 
  • Support :  Email, Forum
  • Backups :  Daily
  • TLS Certificate : 
  • Custom domain : 
  • Automatic upgrades : 
  • Server maintenance : 
  • IP access restriction : 
  • Custom content : 
  • Audit trail logs : 
  • Custom fields : 
  • Expense management : 
  • Task planning : 
  • Translations : 
  • Working hours, vacation, sickness, public holidays : 
Get started

Zeitguru

  • Open source software : 
  • Available on-premises : 
  • Available in the cloud : 
  • Server location : 
  • Max. customers : 
  • Max. projects : 
  • Max. activities : 
  • JSON API : 
  • Invoicing : 
  • Data export : 
  • SAML : 
  • Support : 
  • Backups : 
  • TLS Certificate : 
  • Custom domain : 
  • Automatic upgrades : 
  • Server maintenance : 
  • IP access restriction : 
  • Custom content : 
  • Audit trail logs : 
  • Custom fields : 
  • Expense management : 
  • Task planning : 
  • Translations : 
  • Working hours, vacation, sickness, public holidays : 
Open source software
Available on-premises
Available in the cloud
Server location
Your choice
Hetzner Cloud
Germany (Falkenstein)
Max. customers
Unlimited
Unlimited
Max. projects
Unlimited
Unlimited
Max. activities
Unlimited
Unlimited
JSON API
Invoicing
Data export
SAML
Support
Forum (GitHub)
Email, Forum
Backups
Daily
TLS Certificate
Additional costs
Custom domain
Additional costs
Automatic upgrades
Server maintenance
IP access restriction
Custom content
Paid plugin
Audit trail logs
Paid plugin
Custom fields
Paid plugin
Expense management
Paid plugin
Task planning
Paid plugin
Translations
Paid plugin
Working hours, vacation, sickness, public holidays
Paid plugin

Please note that the above information were manually compiled on 2026-02-24 from the Zeitguru website. For the comparison, the best matching plans were chosen. Prices are subject to change. For the most current pricing, please visit the respective websites.

Kimai is open source

Kimai is #1 open-source time-tracking software, providing unparalleled transparency and flexibility. By choosing Kimai, you’re investing in a secure, cost-efficient solution with complete control over your data and the ability to customize it exactly as your team needs.

Self-host with complete control

Kimai offers a self-hosted edition that puts data privacy to the front. With on-premises deployment, you maintain complete control over your sensitive business information, ensure compliance with stringent data protection regulations, and achieve a level of security that's often challenging with cloud-only solutions. Plus, Kimai's API allows seamless integration with your existing tools and workflows.

EU-based data protection

If you decide to go with the cloud edition, you can be sure that your data is safe. With the headquarters located in Austria (EU), it is GDPR-compliant by default and all data is stored in Germany (Hetzner Cloud, Falkenstein). Learn more about our privacy-first approach

Conclusion

In today's digital age, data security is paramount. Kimai promises secure data protection and state-of-the-art encryption, ensuring that your business's sensitive information remains confidential.

Kimai offers a well-rounded solution that caters to a variety of workflows and use-cases for most project-based teams and companies. Its ease of use, integration capabilities, and commitment to data security and privacy make it a top choice for businesses seeking an efficient time-tracking software.

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