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.

CacheFly

CDN with developer free tier and published per-GB bandwidth overage rates.

Cal.com

Open scheduling with published Teams and Organizations per-user annual plans.

Calendly

Scheduling with published Standard and Teams per-seat annual plans.

Canny

Product feedback with published Pro plan pricing by tracked-user tier.

Canva

Design platform with published Pro and Business per-person annual plans.

Carrd

One-page site builder with published Pro Standard and Pro Plus annual plans.

CDN77

Global CDN with published regional bandwidth tiers for content delivery.

Civo

Cloud-native infrastructure with S3-compatible object store and zero egress fees.

ClickHouse

ClickHouse Cloud analytics with published storage and public-internet egress list rates.

ClickUp

Work OS with published Unlimited and Business per-user annual plans.