Best Self Hosted Alternatives to TimeSolv

solidtime is a modern open-source time tracking application built for freelancers, agencies, and teams. It combines time entry tracking with project organization, client management, and billing workflows in a single web app.

Key Features

• Time tracking with a fast, modern interface
• Projects, tasks, and client management
• Billable rates per project, member, organization, and more
• Roles and permissions for team collaboration
• Multiple organizations per user account
• Import from other trackers (including Toggl and Clockify)
• Billing, reporting, and PDF invoice generation
• Progressive Web App (PWA) experience for mobile devices

Use Cases

• Freelancers tracking billable hours per client and generating invoices
• Agencies managing projects, team access, and rates across multiple clients
• Teams centralizing time entry reporting for internal or client-facing summaries

Limitations and Considerations

• Some announced features may be marked as “coming soon” depending on the version (for example offline support and certain client templating features)

solidtime is a good fit for organizations that want a modern UX and strong core time-tracking features while keeping control via an open-source, deployable product. It is especially well-suited when projects, client billing, and permissions need to live in the same system.

Kimai is a professional, web-based time-tracking application for freelancers, agencies, and organizations. It helps teams record working time across customers, projects, and activities, and turns that data into reports and invoices.

Key Features

• Multi-user time tracking with roles, teams, and permission controls
• Customer, project, and activity management with budgets and hourly rates
• Time-clock mode (punch-in/punch-out) and multi-timer support
• Advanced reporting, filtering, and dashboards for time and cost analysis
• Invoicing with configurable templates and multiple export formats
• Data export options (for example CSV, PDF, and spreadsheet formats)
• Extensive JSON API for integrations and automation
• Authentication options including database login, LDAP, and SAML, plus optional TOTP-based 2FA
• Plugin system to extend features

Use Cases

• Tracking billable work and generating invoices for clients
• Company-wide timesheets and internal reporting by team, project, and period
• Integrating time tracking into existing tooling via the JSON API

Kimai is a solid fit when you need a full-featured time tracking system with strong reporting and invoicing capabilities, while supporting both small and large multi-user deployments.