PyPI99Exceptionalhealth index
Python★ 1,425↓ 709M/moSep 16, 2026
npm · PyPI98Exceptionalhealth index
TypeScript★ 1,789↓ 15.3M/moSep 19, 2026
Go · Maven96Exceptionalhealth index
Go · Smithy · Java★ 3,645Sep 10, 2026
PyPI95Exceptionalhealth index
Python★ 9,902Sep 17, 2026
npm · Maven94Exceptionalhealth index
TypeScript★ 3,676↓ 6.8M/moOct 22, 2026
RubyGems94Exceptionalhealth index
Ruby★ 3,657Oct 20, 2026
Maven93Exceptionalhealth index

awslabs/aws-c-commonCore c99 package for AWS SDK for C. Includes cross-platform primitives, configuration, data structures, and error handling.
C★ 303Oct 20, 2026

awslabs/aws-c-s3C99 library implementation for communicating with the S3 service, designed for maximizing throughput on high bandwidth EC2 instances.
C★ 176Sep 9, 2026
PyPI92Excellenthealth index

ministackorg/ministackMinistack: Free, open-source local AWS emulator - 60+ services, Terraform compatible, real databases. Free forever. MIT licensed.
Python★ 4,591↓ 25.3K/moSep 10, 2026
PyPI89Excellenthealth index

61418/boto3-client-cacheA concurrency-safe, bounded cache for boto3 clients and resources with deterministic identity semantics.
Python★ 4↓ 20.5K/moSep 19, 2026
PyPI · Maven84Excellenthealth index
Python★ 175Oct 8, 2026
npm80Excellenthealth index
TypeScript★ 414↓ 4.9M/moSep 12, 2026
Packagist80Excellenthealth index
PHP · Blade★ 123↓ 15.4K/moOct 21, 2026
crates.io80Excellenthealth index

faiscadev/fakecloudFree, open-source AWS emulator. LocalStack alternative: 105 services, 7,404 operations, true 100% Smithy conformance (248,557/248,557 variants pass). No account, no auth token, no paid tier.
Rust★ 542↓ 5,545/moSep 9, 2026
C★ 9Sep 9, 2026
TypeScript★ 210↓ 6,451/moSep 13, 2026
Go★ 18Oct 6, 2026
crates.io73Goodhealth index
Rust★ 155↓ 140K/moSep 12, 2026

Brilhante29/kiri-awskiri-aws — a single-binary AWS emulator with a billing time machine. Local AWS services + Cost Explorer, drop-in for the AWS SDKs, CLI, and Terraform.
Go★ 0Sep 30, 2026
C#★ 149Sep 14, 2026
Packagist62Moderatehealth index
PHP★ 1,655↓ 9M/moAug 27, 2026
npm59Moderatehealth index

jamestelfer/sandySandboxed TypeScript runtime for AI coding agents to query AWS — full SDK access with in-sandbox aggregation, credentials flow via IMDS and never enter the VM. Ships as a Claude Code plugin (MCP) and a standalone CLI, backed by Shuru microVMs or Docker.
TypeScript★ 7Sep 11, 2026
npm59Moderatehealth index
TypeScript★ 42↓ 524.4K/moOct 21, 2026
Packagist44Weakhealth index
PHP★ 1↓ 26.2K/moSep 8, 2026

aws/aws-sdk-goThis SDK has reached end-of-support. The AWS SDK for Go v2 is available here: https://github.com/aws/aws-sdk-go-v2
Go★ 8,675Aug 28, 2026

aws/aws-sdk-jsAWS SDK for JavaScript v2 (End-of-Life as of 09/08/2025). The AWS SDK for JavaScript v3 in the browser and Node.js is available here: https://github.com/aws/aws-sdk-js-v3
JavaScript · Ruby★ 7,603↓ 34.9M/moSep 17, 2026