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ActiveCollab vs ProofHub: catalog facts
ActiveCollab	ProofHub
Paid Paid service; getting started does not require a credit card.	Paid Paid plans without per-user fees, with a free trial.
Web	Web
Estimates, invoicing and payments built in Workload and capacity planning	Tasks, Gantt charts and proofing in one tool No per-user fee
Hosted only in the evidence available Billing features matter mostly to client-service businesses	Hosted service only No free plan
Web application, Hosted service	Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.