Infrastructure and DevOps
Docker
420 sitesOpen source
Docker is a tool designed to make it easier to create, deploy, and run applications by using containers.
Used byConta Azul,Ghost
Amazon CloudWatch
Open source
Logs, metrics and alarms for apps running on AWS.
Used byHotmart
AWS Lambda
Open source
Runs code on demand on AWS without managing servers.
Used byConta Azul,PicPay
Axiom
Open source
Stores and queries logs, traces and events at low cost.
Used byDub
Buildkite
Open source
CI/CD platform that runs builds on your own machines.
Used byShopify
Fastlane
Open source
Automates building and publishing iOS and Android apps.
Used byQuintoAndar
GitHub Actions
Open source
Runs tests, builds and deploys on every push, inside GitHub.
Istio
Open source
Service mesh for traffic, security and observability between services on Kubernetes.
Used byAirbnb
Kamal
Open source
Deploys containerized apps to your own servers with zero downtime, from 37signals.
Used byBasecamp (37signals)
Kubernetes
Open source
Runs and scales containers across a cluster of machines.
Used byAirbnb,Conta Azul,Creditas,Discord+13
Prometheus
Open source
Collects and queries metrics to monitor systems and alert on problems.
Used byConta Azul,Nubank
Terraform
Open source
Describes cloud infrastructure as code and creates it the same way every time.
Used byCreditas,Hotmart,Linear,RD Station+2
Data from the open Wappalyzer database (enthec/webappanalyzer, GPL-3.0), updated every week. Site counts from the HTTP Archive (September 2026). Code tools (frameworks, build, ORMs…) come from a list kept by Faundr.