Skip to content

Tinstack

Developer Tool • March 5, 2026

Drop-in local AWS emulator on a single port. 158 services in one Bun binary — point any SDK at localhost:4566 and go.

TypeScript
Bun
AWS
S3
DynamoDB
SQS
Lambda
Open Source

Key Features

  • •158 emulated AWS services behind a single HTTP endpoint
  • •Full S3, DynamoDB, SQS, SNS, Lambda, Step Functions, and more
  • •Zero dependencies — single Bun binary or Docker
  • •Point any AWS SDK at localhost:4566 with no config changes
  • •DynamoDB with PartiQL, GSI/LSI, transactions, and streams
  • •Step Functions with full ASL engine including Parallel and Map states