Klacks
Klacks: Rule-based auto-planning, availability tracking and field-service tools in one open-source system. Ranked #18 of 26 in Shift Scheduling by our editors (7.4/10); pricing: Free plan; best for teams needing configurable, open-source scheduling.
At a glance
- Editor score7.4 / 10
- PricingFree plan
- Best forTeams needing configurable, open-source scheduling
- Free planYes
- Paid fromFree
- Shift swapsYes
- Facts checked24 Sep 2026
Where it wins
- Auto-plans shifts using rules, qualifications and employee availability
- Combines absence tracking, reporting and field-service route optimization
- Can be self-hosted and is open source under the MIT license
Where it doesn't
- No public pricing or paid-plan structure is described
- Mobile apps and shift-swap workflows are not specified
- Support is community-based, with documentation
Our verdict on Klacks
Klacks is open-source workforce scheduling software for organizations coordinating shift-based and field-service work, including home care, hospitals, security, cleaning and logistics. It is aimed at teams that want to configure scheduling rules around working days, rest periods and hour limits, while factoring in employee qualifications and availability. Employees can enter availability by hour or day, and the system can generate a schedule draft for manual adjustment in an interactive grid. Its scope makes it relevant to organizations that need more than a basic rota, though teams seeking a specified mobile-app workflow may want to compare alternatives.
The strongest distinction is its combination of workforce planning with field-service features. Klacks includes route optimization for field assignments, absence tracking and a report designer for custom reports. An AI assistant supports scheduling by voice or text and can be configured with a chosen model. The listed integrations include DeepL, identity providers, ERP drop points, messaging channels and payroll export handover. These capabilities suit organizations whose schedules connect to operational and administrative processes; buyers focused only on straightforward shift publishing may find the broader feature set unnecessary.
According to the vendor, Klacks is open source under the MIT license and has no license fees. It is available through cloud deployment or self-hosting, with web, Windows and Linux platforms listed. The vendor also provides a browser-based Playground with sample data. GDPR appears among its stated compliance provisions, while support channels are community and documentation. The product is a stronger fit for organizations prioritizing configurable, self-hosted scheduling and comfortable with community support than for buyers who require specified support commitments or an established mobile and shift-swap experience.
Questions about Klacks
What does Klacks run on? Web, Windows and Linux. It runs in the cloud and self-hosted.
What does Klacks integrate with? 5 integrations: DeepL, Identity Provider, ERP Drop Points, Messaging Channels and Payroll Export Handover.
Who is Klacks built for? Small businesses, mid-market companies and enterprises (our editorial estimate).
Your product? Our editors can test Klacks in depth and publish a review, labelled as paid · from $149/mo →
Klacks pricing
Klacks fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Shift swaps | Yes |
| Availability management | Yes |
| Auto-scheduling | Yes |
| Mobile apps | Not verified |
| Locations | Not verified |
| Payroll integrations | Yes |
| Deployment | Cloud, Self-hosted |
| Platforms | Web, Windows, Linux |
| Compliance & security | GDPR |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 5 integrations: DeepL, Identity Provider, ERP Drop Points, Messaging Channels, Payroll Export Handover |
| Pricing | Free plan |
| Website | klacks-software.ch |
| Facts checked | 24 Sep 2026 |
Klacks integrations
Klacks lists 5 integrations on its own site.
- DeepL
- Identity Provider
- ERP Drop Points
- Messaging Channels
- Payroll Export Handover
Alternatives to Klacks
- Infor Workforce ManagementA broad workforce suite for organizations balancing labor demand, skills, attendance, and coverage.9.2
- Zoho ShiftsScheduling covers shift planning, availability, swaps and time tracking across web and mobile.9.0
- UKG Pro Workforce ManagementA broad workforce-management suite for scheduling, labor planning, and intraday control.8.8
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Reviewed by iTechGuides Editors · Editorial team · Updated Nov 2026
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