Kimai - Open Source time-tracker Kimai
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Best open source
Solidtime alternative

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

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Kimai

Kimai vs Solidtime: 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 5000 companies worldwide trust Kimai for their time tracking needs and find out how it compares to Solidtime’s offerings. Whether you’re evaluating a new time tracking app, analyzing Solidtime pricing options, or planning a Solidtime 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.

Read more

Reports and analyses

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

Read more

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.

We have been enthusiastic users of Kimai for many years. Initially only for our own documentation purposes, but now also for recording working hours in the company. Instead of using expensive service providers, we were able to use Kimai, the Kiosk plugin and the plugin for working hours to create our own low-cost version, which now works reliably. Many thanks to Kevin, the creative mind in the background, who always provides the right solutions. We are completely satisfied with Kimai.

Jörg
Technische Leitung

At this point, I would like to say a big thank you to Kimai. Any queries you may have are answered promptly, politely and competently. For us as a small provider of social services, it’s great that we can use such a professional programme as a basic version free of charge. Even if paid modules are added, it’s a good feeling to know that the money is going to a dedicated, small software company. 👍🏼👍🏼👍🏼 ❤️

Rüdiger
Informático

kimai is a super web for keeping tracks of our daily work, the interface is clean and very useful, just easy, couple clicks and data, and that is done. we have used since 5 years ago, and the reports are easy to run. only 1 time i have to support a ticket, because we forgot the password!. thanks for all the work here!

Mathias
Mathias
IT Consulting

Kimai has been a fantastic discovery. I reviewed several other time trackers, and frankly, none of them compared. Kimai just felt better right away. It’s easy to set up and use, with a clean design and just the right balance between features and simplicity, and the self-hosting option is a huge plus.

Highly recommended and big thumbs up from me!

Amir
Developer

Super fast response from support with efficient assistance. Simply MEGA! Thank you very much!

mj
Executive Assistant

It is a great app, I will say I am not using it yet all its future, but to track my working hours it is working like magic. Customer service is also helpful and fast-responding, I recommend it to any new freelancer, because of its suitable price!. Thank you

Wafa

We have been using Kimai for 7 years now and are completely satisfied. The product itself is great, the price is right and the support is simply fantastic. We can only recommend it to anyone who values quality and good service.

Rene Glaubert
Rene Glaubert
Datenschutzbeauftragter für KMU

Kimai was my first foray into open-source software; my company tasked me with migrating an old Kimai plugin called Period Insert, which I eventually decided to publish. My experience has been very positive. I am impressed by Kimai’s ease of use and by how my small contribution to it has been used around the world. I am also grateful to Kevin for his open communication and assistance with publishing the plugin, which served as a warm introduction to the open-source community. Kimai is a model example of how open-source software can improve the lives of people, not just companies. I highly recommend it!

Alan Nguyen
Alan Nguyen
Software Developer

Nice and easy tool, let’s you track your hours and export / create invoices easily. Also you can add expenses. Top notch support on questions you might have. Loving it

Matthias Schöpfer
Freelancer

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
System Engineer

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 Solidtime? Dive into this comprehensive comparison to find out why businesses are choosing Kimai over Solidtime

See the difference

Compare Kimai vs. Solidtime: 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

Solidtime

  • 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 Solidtime 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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