Ross ROSS = Recommend OSS · open-source software intelligence for agents

LocalStack

💻 A fully functional local AWS cloud stack. Develop and test your cloud & Serverless apps offline observed · 2026-08-28

github.com/localstack/localstack · homepage · Python · NOASSERTION (other) · archived observed · 2026-08-28

Health v2 · maintenance only

10/100

  • Activity 73
  • Release rhythm 72
  • Longevity 100

Flags: archived no_license

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.

  • gap_med: 22
  • age_days: 3599
  • days_rel: 188
  • days_push: 163
  • n_releases_24m: 28

Full methodology

Adoption not part of the score

65145 stars · 4790 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

LocalStack is a fully functional local AWS cloud emulator that lets developers develop and test cloud and serverless applications offline. It emulates AWS services (S3, Lambda, DynamoDB, SQS, and many more) via a local API-compatible endpoint, typically run in Docker.

Use cases

  • test AWS applications locally without a real AWS account
  • run integration tests against emulated AWS services in CI
  • develop serverless apps offline
  • mock S3, DynamoDB, SQS, and Lambda locally
  • avoid AWS costs during development and testing
  • reproduce cloud bugs locally before deploying

When to choose

  • you build or test applications that depend on AWS services
  • you want fast, free, offline AWS API emulation in CI pipelines
  • you need deterministic, isolated cloud environments for testing

When to avoid

  • you need exact parity with real AWS behavior and edge cases
  • you require services or features not covered by the emulator
  • you only want to inspect or manage real AWS resources

Facets

service · maturity active

testing cloud developer-tools mock-api serverless cloud-computing developer-tools testing python cli cross-platform aws-emulation local-cloud mock-aws offline-development ci-cd serverless-testing devops aws docker

1 source

Member repositories

RepositoryRoleHealth v2
localstack/localstackmain10
localstack/awscli-localplugin62

For agents

markdown · JSON · MCP: product_card(name="localstack/localstack")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem