CostUse

Cloud and metered prices

Useful when a tiny unit price only starts to matter at volume. Notes on the page flag allowances the simple rate leaves out.

ActiveCampaign

Marketing automation with published Starter and Plus packages at 1,000 contacts (annual).

Airtable

Collaborative database with published Team and Business per-seat plans.

Aiven

Managed open-source data services with published all-inclusive hourly plan rates.

Akamai

Akamai Cloud (Linode) Object Storage with a flat base package and clear per-GB overage.

Appsmith

Open-source internal apps platform with published Business per-user Cloud rates.

Appwrite

Open-source backend cloud with published Pro overage rates for bandwidth and storage.

Asana

Work management with published Starter and Advanced per-user annual plans.

Attio

CRM with published Plus and Pro per-user annual list pricing.

AWS

Cloud services billed by request, storage, transfer, and compute time.

Backblaze

B2 object storage with simple per-GB storage and egress list rates.