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LocalStack

The most recommended of 5 local AWS emulators

Recommended for running AWS services locally to speed up development and CI testing. Main caveat: after a price change and an archived repo, many users are looking for alternatives.

Recommended for running AWS services locally to speed up development and CI testing. Main caveat: after a price change and an archived repo, many users are looking for alternatives.

74 people gave an opinion

recommend it
22
criticize it
52
approval share
30%
Each figure is one person. RecommendsCriticizes

Recommended in 7 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: not recommended
  9. July 2026: not recommended
  10. August 2026: not recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Owned for 7 years

Median of the 3 owners who said how long they have had it.

Each square is one year.

Why it doesn’t carry the badge

  • 22 people recommend itNeeds 10 or more, met.
  • 0.4 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 7 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Fast feedback for local dev and CI

    “I had some great results building AWS services for local dev as well as CI/CD and testing in GH actions”

    Comment from 31 Mar 2026 in “Ministack (Replacement for LocalStack)”

    “I can stand up all my infra for my teams 14 microservices in under 30s and test my in flight changes”

    Comment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”

    “it has been fantastic, saving thousands of dev hours by giving our team tighter feedback loops”

    Comment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”
  • Reliable track record, few compatibility issues

    “I've been happily using LocalStack for roughly a decade now and haven't run into a single compatibility issue”

    Comment from 1 Apr 2026 in “Ministack (Replacement for LocalStack)”

    “I've used localstack in the past which worked pretty well.”

    Comment from 3 Dec 2025 in “MinIO is now in maintenance-mode”

    “While Localstack provide a decent solution”

    Comment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”
  • Stable, high-fidelity S3 service

    “LocalStack community's S3 service is pretty stable, so I'm doubtful there'll be much parity drift”

    Comment from 14 Feb 2026 in “MinIO repository is no longer maintained”

    “It's runnable within a docker container and has a high fidelity S3 service.”

    Comment from 13 Feb 2026 in “MinIO repository is no longer maintained”

    “Often just spinning up `localstack` works well, even if only for S3.”

    Comment from 15 Sep 2026 in “Alternatives to MinIO for single-node local S3”
  • Extensive parity tests and coverage

    “IMO much of the product's success was derived from the extensive snapshot + behavioural tests they created to validate parity with AWS.”

    Comment from 13 Oct 2026 in “AWS Lambda Web Functions”

    “they've really helped to improve test coverage”

    Comment from 29 Oct 2026 in “MiniLake Is a Local Databricks API Emulator with SQL, Delta Lake and Spark”

What people warn about

Each mark is one comment

  • Repo archived, original maintainers gone

    “The original maintainers are gone, and users will have to rely on someone else to pick up the work, or maintain it themselves.”

    Comment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

    “They just closed the repo and ran away. If they had that idea all along, I feel like it hasn't be very, let's say, ethical.”

    Comment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

    “This project seems perfectly open from what I can see, looks like the original devs stopped working on it though”

    Comment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”
  • Price change and paywalled features

    “founders tend to build companies around them, raise capital, then put useful functionalities behind paywalls”

    Comment from 27 Sep 2026 in “Fakecloud: Local AWS cloud emulator for integration tests”

    “a company took advantage of a community that expected their freely offered labor to not be commercialized”

    Comment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

    “There's a lot of devs looking for ways to move off Localstack due to the price change”

    Comment from 1 Apr 2026 in “Ministack (Replacement for LocalStack)”
  • Overkill for simple S3 needs

    “I don't really see why you would pay to use a cloud based AWS emulator, instead of just using a real AWS account.”

    Comment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

    “WAY too much. I just need a tiny service that translates common S3 ops into filesystem ops and back.”

    Comment from 13 Feb 2026 in “MinIO repository is no longer maintained”

    “in a well-architected piece of software, you aren't getting that much value from them”

    Comment from 26 Sep 2026 in “Floci: Locally emulating any cloud service”
  • Messy codebase, proprietary API dependence

    “LocalStack was just a mess of a codebase that couldn't maintain velocity or attract contributors”

    Comment from 31 Mar 2026 in “Ministack (Replacement for LocalStack)”

    “LocalStack, by building a project on top of proprietary APIs, set themselves up to fail.”

    Comment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

Other local AWS emulators people recommend

The four most recommended other local AWS emulators, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

LocalStack compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
LocalStackThis page225230%77 yrs3 owners—
Floci201361%3——
Fakecloud12667%2——
Ministack81436%3——
Moto60100%3——
See all 5 local AWS emulators, ranked

What people said

40 of the 82 comments that mention it, newest first. Each links to the original comment.

“they've really helped to improve test coverage”

RecommendsComment from 29 Oct 2026 in “MiniLake Is a Local Databricks API Emulator with SQL, Delta Lake and Spark”

“IMO much of the product's success was derived from the extensive snapshot + behavioural tests they created to validate parity with AWS.”

MixedComment from 13 Oct 2026 in “AWS Lambda Web Functions”

“Instead of hoping fakecloud or localstack update their mocks to be inline with AWS”

CriticizesComment from 28 Sep 2026 in “Fakecloud: Local AWS cloud emulator for integration tests”

“founders tend to build companies around them, raise capital, then put useful functionalities behind paywalls”

CriticizesComment from 27 Sep 2026 in “Fakecloud: Local AWS cloud emulator for integration tests”

“in a well-architected piece of software, you aren't getting that much value from them”

CriticizesComment from 26 Sep 2026 in “Floci: Locally emulating any cloud service”

“Often just spinning up `localstack` works well, even if only for S3.”

RecommendsComment from 15 Sep 2026 in “Alternatives to MinIO for single-node local S3”

“There's a lot of devs looking for ways to move off Localstack due to the price change”

MixedComment from 1 Apr 2026 in “Ministack (Replacement for LocalStack)”

“I've been happily using LocalStack for roughly a decade now and haven't run into a single compatibility issue”

RecommendsComment from 1 Apr 2026 in “Ministack (Replacement for LocalStack)”

“Disappointed with their overall direction, but I hold no ill will”

MixedComment from 1 Apr 2026 in “Ministack (Replacement for LocalStack)”

“Every single AWS service I've ever tried to build tests around with LocalStack has run into compatibility issues.”

CriticizesComment from 1 Apr 2026 in “Ministack (Replacement for LocalStack)”

“LocalStack was just a mess of a codebase that couldn't maintain velocity or attract contributors”

CriticizesComment from 31 Mar 2026 in “Ministack (Replacement for LocalStack)”

“I had some great results building AWS services for local dev as well as CI/CD and testing in GH actions”

RecommendsComment from 31 Mar 2026 in “Ministack (Replacement for LocalStack)”

“you could use AWS Local Thingie to run it on a 5€/month VPS while you validate your idea”

RecommendsComment from 25 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“They just closed the repo and ran away. If they had that idea all along, I feel like it hasn't be very, let's say, ethical.”

CriticizesComment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“Local stack formed a big part of making that principle realistic.”

RecommendsComment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“I never understood why AWS doesn't provide something like LocalStack out of the box.”

MixedComment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“This project seems perfectly open from what I can see, looks like the original devs stopped working on it though”

MixedComment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“I don't really see why you would pay to use a cloud based AWS emulator, instead of just using a real AWS account.”

CriticizesComment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“I'd love to NOT have to use a shim like LocalStack but the alternative is what?”

CriticizesComment from 24 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“LocalStack, by building a project on top of proprietary APIs, set themselves up to fail.”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“a company took advantage of a community that expected their freely offered labor to not be commercialized”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“I bet they will be deleting code from the archived code just like that minio people.”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“The original maintainers are gone, and users will have to rely on someone else to pick up the work, or maintain it themselves.”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“It's comedic that they said that right after Minio pulled the same thing as localstack.”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“they will have an increasingly untenable service area to try and maintain and mimic”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“it feels impossible to get any attention from their support/devs despite being paying customers”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“perhaps if your core competency is something like LocalStack you need to think about alternative business ideas”

CriticizesComment from 23 Mar 2026 in “Local Stack Archived their GitHub repo and requires an account to run”

“a local AWS emulator now requires remote servers, and cannot run fully locally anymore”

CriticizesComment from 23 Mar 2026 in “LocalStack removes support for non-account community usage”

“we liked our support contract with LocalStack”

RecommendsComment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”

“I can stand up all my infra for my teams 14 microservices in under 30s and test my in flight changes”

RecommendsComment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”

“it has been fantastic, saving thousands of dev hours by giving our team tighter feedback loops”

RecommendsComment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”

“I always thought that an open community-driven solution would be much more suitable”

MixedComment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”

“While Localstack provide a decent solution”

RecommendsComment from 22 Mar 2026 in “Floci – A free, open-source local AWS emulator”

“the LocalStack parquet workaround that saved us hours of debugging silent hangs.”

MixedComment from 25 Feb 2026 in “We run 20M models in parallel on Ray”

“LocalStack community's S3 service is pretty stable, so I'm doubtful there'll be much parity drift”

RecommendsComment from 14 Feb 2026 in “MinIO repository is no longer maintained”

“you've got the same kind of problem that Minio has”

MixedComment from 14 Feb 2026 in “MinIO repository is no longer maintained”

“It's runnable within a docker container and has a high fidelity S3 service.”

RecommendsComment from 13 Feb 2026 in “MinIO repository is no longer maintained”

“WAY too much. I just need a tiny service that translates common S3 ops into filesystem ops and back.”

CriticizesComment from 13 Feb 2026 in “MinIO repository is no longer maintained”

“I've used localstack in the past which worked pretty well.”

RecommendsComment from 3 Dec 2025 in “MinIO is now in maintenance-mode”

“building cutting-edge technology to revolutionize cloud development processes”

RecommendsComment from 8 Nov 2025 in “Ask HN: Who is hiring? (November 2025)”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.