Hacker ApprovedDepartments

Fakecloud

Ranked 3 of 5 local AWS emulators by recommenders

Free, open-source local AWS emulator for integration tests, with fast startup and no auth token needed. Critics say it implements only part of the AWS API.

Free, open-source local AWS emulator for integration tests, with fast startup and no auth token needed. Critics say it implements only part of the AWS API.

18 people gave an opinion

recommend it
12
criticize it
6
approval share
67%
Each figure is one person. RecommendsCriticizes

Recommended in 2 of 13 months

  1. November 2025: not recommended
  2. December 2025: not recommended
  3. January 2026: not recommended
  4. February 2026: not recommended
  5. March 2026: not 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: not recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

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

  • Better than LocalStack

    “It looks like a very useful tool, especially for those of us who got burned by LocalStack's auth token requirement”

    Comment from 15 Apr 2026 in “Show HN: Fakecloud – Free, open-source AWS emulator”

    “The support for SES looks really great, better than LocalStack.”

    Comment from 28 Sep 2026 in “Fakecloud: Local AWS cloud emulator for integration tests”
  • Easy to install and use

    “Re: curl; this seems to work: cargo install fakecloud”

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

    “I'm using fakecloud and it's dead simple to use.”

    Comment from 26 Sep 2026 in “Floci: Locally emulating any cloud service”
  • Useful for local testing and CI

    “a lifesaver for one-person webhook testing without burning cloud credits every morning”

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

    “could be a good addition to ci”

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

What people warn about

Each mark is one comment

  • Install script trust concerns

    “Or is the problem the fact that this dev is untrusted and is executing a possibly malicious script on your machine?”

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

    “you don't wanna be shell-piping whatever exists in the moment”

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

    “it comes nowhere close to implementing the full api”

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

    “comes nowhere close to implementing the full api”

    Comment from 27 Sep 2026 in “Fakecloud: Local AWS cloud emulator for integration tests”
  • Not production-ready or durable

    “It's not designed for scale, or durability.”

    Comment from 16 Apr 2026 in “Show HN: Fakecloud – Free, open-source AWS emulator”

    “This is not production-ready at all.”

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

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.

Fakecloud compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
LocalStack225230%77 yrs3 owners—
Floci201361%3——
FakecloudThis page12667%2——
Ministack81436%3——
Moto60100%3——
See all 5 local AWS emulators, ranked

What people said

18 of the 21 comments that mention it, newest first. Each links to the original comment.

“they have to keep up with schema updates for every single service which isn't practical”

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

“the only issue I had was (unsurprisingly) restoring from a back-up not being supported”

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

“The support for SES looks really great, better than LocalStack.”

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

“This is not production-ready at all.”

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

“a lifesaver for one-person webhook testing without burning cloud credits every morning”

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

“comes nowhere close to implementing the full api”

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

“it comes nowhere close to implementing the full api”

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

“Re: curl; this seems to work: cargo install fakecloud”

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

“you don't wanna be shell-piping whatever exists in the moment”

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

“Or is the problem the fact that this dev is untrusted and is executing a possibly malicious script on your machine?”

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

“Both fakecloud and its website look sloppily vibe-coded, and its "authors" are anonymous.”

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

“could be a good addition to ci”

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

“I'm using fakecloud and it's dead simple to use.”

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

“It's not designed for scale, or durability.”

CriticizesComment from 16 Apr 2026 in “Show HN: Fakecloud – Free, open-source AWS emulator”

“Delivery is synchronous by default (deterministic for tests)”

RecommendsComment from 16 Apr 2026 in “Show HN: Fakecloud – Free, open-source AWS emulator”

“Nice to see a Rust-based alternative with that kind of startup time (~500ms, 10 MiB idle).”

RecommendsComment from 16 Apr 2026 in “Show HN: Fakecloud – Free, open-source AWS emulator”

“It looks like a very useful tool, especially for those of us who got burned by LocalStack's auth token requirement”

RecommendsComment from 15 Apr 2026 in “Show HN: Fakecloud – Free, open-source AWS emulator”

“fewer services with correct behavior is more useful for integration testing than broad coverage”

RecommendsComment from 6 Apr 2026 in “Ministack (Replacement for LocalStack)”

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