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# System prepended metadata

title: vNext SC Services

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# vNext SC Services

- Authentication => [Auth0](https://auth0.com/pricing), [Clerk](https://clerk.dev/pricing)
- User Session Tracking => [LogRocket](https://logrocket.com/pricing)
- Error Logging => [Sentry](https://sentry.io/pricing)
- Email delivery => [Mailgun](https://mailgun.com/pricing), [Mailchimp](https://mailchimp.com/pricing), [SendGrid](https://sendgrid.com/pricing)
- Feature Flags => [Launch Darkly](https://launchdarkly.com/pricing), [SplitIo](https://split.io/pricing)
- Postgres Hosting => [fly.io](https://fly.io/docs/about/pricing), [FaunaDb](https://faunadb.com/pricing), AWS, GCP
- In-App help/chat => [Crisp](https://crisp.chat/en/pricing)
- Message Queue => GCP Pub/Sub, AWS, Pulsar
