Project and task management

Teamwork alternatives

2 open-source projects that already do this job. Free to use - not free to run, which is what the numbers on the right are for.

The full assessment →

The projects

frappe/erpnext37,700GPL-3.0Full-featured open source ERP including projects, timesheets, billing, and cost/profitability tracking.Open on GitHub opf/openproject15,782GPL-3.0Open-source project management with issue tracking, Gantt, time tracking, and collaboration features.Open on GitHub

What you give up either way

150+ integrations marketplace and pre-built connectors
SOC 2 Type 2 certification and associated compliance assurances
Enterprise-grade scale, uptime SLA, and hosted backups
Advanced AI teammates and forecasting that integrate with third-party models
Vendor support, onboarding services, and training resources

An open-source project doing the core job proves a replacement is possible. It does not prove it matches Teamwork, and it does not prove anyone has run it for a month. How we decide.