Project and task management

Timely 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

opf/openproject15,782GPL-3.0Project management software with built-in time tracking, issue tracking, and reporting.Open on GitHub frappe/erpnext37,700GPL-3.0Full ERP including project management, timesheets, billing, and reporting.Open on GitHub

What you give up either way

Polished automatic tracking across thousands of apps and platforms (wide OS + mobile coverage)
Mature AI AutoSheet models and accuracy claims
Large catalog of built-in third-party integrations and prebuilt syncs
Enterprise features: SSO/Azure AD, dedicated customer success, and scale-focused support
Polished UX, onboarding flows, and reliability/edge-case handling developed by the vendor

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