Project and task management

Tallymeter 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 with accounting, invoicing, projects, and time tracking.Open on GitHub opf/openproject15,782GPL-3.0Open source project management with issue tracking and built-in time tracking.Open on GitHub

What you give up either way

Native MCP (Streamable HTTP) server and built agent tooling
Built-in two-way Jira worklog sync
Per-agent attribution and token-scoped auth tailored for AI fleets
Polish, reliability, and UX refinements of a shipped product (mobile/responsive edge cases)
Hosted uptime, backups, and legal/privacy guarantees

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