Compare Open Source Time Tracking & Billing apps

Kimai vs Solidtime

Track billable hours, manage projects, and generate invoices.

Kimai Time tracking for project-driven teams 4.8k stars App details	Solidtime Time tracking that gets out of your way 8.8k stars App details
LicenseAGPL-3.0 Organisation typeIndividual Country of origin🇩🇪 Germany Headquarters🇦🇹 AustriaIncorporated inUnknown	LicenseAGPL-3.0 Organisation typeCompany Country of origin🇦🇹 Austria Headquarters🇦🇹 Austria Incorporated in🇦🇹 Austria
SaaS Also offered as a paid cloud service Donations One-time or recurring community donations	SaaS Also offered as a paid cloud service Donations One-time or recurring community donations

	Kimai	Solidtime
Time Tracking & Billing
Time Tracking
Billable Rates & Budget Tracking
Invoice Generation
Expense Tracking
Project & Task Management
Timesheet Reporting
Calendar Timesheet View
Authentication
SAML SSO
OIDC SSO
Social Login
LDAP / AD
MFA
API Keys
Password Auth
Access Control
RBAC
Teams
Data
Data Export
Audit Log
Integrations
Webhooks
REST API
GraphQL API
MCP Server
UI
Custom Branding
Android
iOS
Mac
Windows
Other Features
Unlimited Users