Transactional and product email delivery.
Top pick: Resend
Slug:
email Categories
StackSieve currently covers 12 categories, each with ranked recommendations, top pick rationale, and alternatives.
Snapshot generated at 2026-02-24T16:38:47.251Z.
Payment
5 servicesCheckout, subscriptions, and billing workflows.
Top pick: Stripe
Slug:
payment Auth
5 servicesLogin, session management, and identity features.
Top pick: Clerk
Slug:
auth Database
5 servicesRelational storage with developer-first APIs.
Top pick: Supabase
Slug:
database AI LLM
5 servicesLLM APIs for AI app capabilities.
Top pick: Anthropic Claude API
Slug:
ai-llm File Storage
5 servicesObject storage for uploads and media assets.
Top pick: Cloudflare R2
Slug:
file-storage Search
5 servicesFast search and relevance ranking.
Top pick: Algolia
Slug:
search Analytics
5 servicesEvent tracking and product analytics.
Top pick: PostHog
Slug:
analytics Logging
5 servicesLogs, observability, and incident debugging.
Top pick: Axiom
Slug:
logging Queue
5 servicesBackground jobs and async processing.
Top pick: Inngest
Slug:
queue CDN
5 servicesGlobal edge caching and delivery.
Top pick: Cloudflare CDN
Slug:
cdn Notification
5 servicesMulti-channel notifications and user messaging.
Top pick: Novu
Slug:
notification