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.

Kimai is an excellent time-tracking software that offers great flexibility and a lightweight, intuitive interface. It’s easy to use and has been a valuable tool for tracking work hours across our projects. We especially appreciate the variety of plug-ins available, which allow us to extend the software’s capabilities. Highly recommended for firms looking for a robust yet user-friendly solution.

Alexander Kostadinov
Architect / BIM Specialist

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

We are absolutely convinced by the solution. Above all, open source and self-hosting – that’s great! It runs very stably for us on an Ubuntu server in Hyper-V. The support is first-rate, competent, fast and friendly. My absolute recommendation.

Ronald Schiefer
Owner, CEO

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
Geschäftsführer

We have been using Kimai in our electrical company for the past two years, and we are currently transitioning to a fully paperless process with Kimai only for managing timesheets. Our employees adapted quickly, as we developed a customized workflow tailored to our business needs. Thanks to Kimai, we’ve reduced the time spent processing timesheets for our 20 employees, as well as managing project reports (construction reports, work reports, daily customer reports), from around 10 hours per week to just 2 hours. We also underwent a payroll tax audit without any issues; the only requirement is the employee’s signature on the timesheet. The developer of Kimai is also very receptive to useful feature suggestions, which makes me co

...
Christoph Empl
Christoph Empl
CEO

Kimai has been with my company since the very beginning. As a service provider, it is important for us and our customers that we can bill for projects down to the minute. Our customers appreciate the clear overview of the work performed (duration, activity, etc.). We appreciate no Excel, everything in one place, faster and easier support, open source, and many other features.

Laurin Berli
Laurin Berli
CEO

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 !

Christoph van Bracht
Christoph van Bracht
Geschäftsführer

the best time tracking tool i used :) (and still do)

Paul Knulst
Paul Knulst
Senior Software Engineer

We started using self-hosted Kimai - and it works perfectly! We especially like integration with Google Workspace, which is very convenient.

Karol Antczak
CTO

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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