floci
Floci is an open-source emulator that mimics AWS services in the local environment for development and testing processes. Thanks to its Docker-based structure, it works without requiring any cloud account or authentication. It supports local development workflows by working in line with existing AWS tools and SDK.
floci
100floci-io · DevOps / Build / Infra
Common commercial products in this category: GitHub Actions, CircleCI, Atlassian Bamboo
- You run AWS services in the local environment without requiring a AWS account or authentication.
- Thanks to the Docker-based infrastructure, you test services such as Lambda and RDS on your local machine.
- You use the existing AWS SDK, CLI and Terraform configurations by redirecting them to the local endpoint.
- ↑ PositiveHacker News
Floci – A free, open-source local AWS emulator
“I think it's too early to even say if Floci will become something that people use so time will tell, but at AWS, they already had some "informal" support for localstack[1] and it's always been a "commercial product" (so you can imagine how controversial it must be internally to…”
- • NeutralHacker News
Floci – A free, open-source local AWS emulator
“We wrote a detailed breakdown of Floci's specs vs LocalStack — the 408/408 SDK test pass rate, 24ms vs 3.3s startup, services LocalStack community edition doesn't cover (API Gateway v2, Cognito, RDS with IAM auth):”
Verified against README · Oct 26, 2026 · source