Developer & testing cheat sheets
Quick reference guides for performance testing tools, DevOps, scripting, and more. 12 free, 20 with free signup, 19 premium.
Get all 51 cheat sheets as downloadable PDFs
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JMeter
Apache JMeter commands, functions, shortcuts, and CLI options
Gatling
Gatling DSL syntax, simulations, feeders, and assertions
k6
k6 scripting, metrics, thresholds, and scenarios
LoadRunner
VuGen scripting, correlation, and Controller settings
Locust
Python-based load testing with distributed execution
Artillery
Node.js load testing with YAML scenarios
wrk
HTTP benchmarking with Lua scripting
Vegeta
Go-based HTTP load testing tool
Grafana
Dashboard creation, panels, and alerting
Prometheus
PromQL queries, metrics, and alerting rules
InfluxDB
Time series database queries and retention
ELK Stack
Elasticsearch, Logstash, and Kibana essentials
AWS CLI
Common AWS commands for EC2, S3, and more
Terraform
HCL syntax, commands, and state management
jq
JSON processing and transformation
sed & awk
Text processing and transformation
Redis
Commands for keys, strings, hashes, and more
MongoDB
Document database queries and aggregation
PostgreSQL
Advanced RDBMS features and queries
GraphQL
API query language and schema design
OpenAPI
OpenAPI/Swagger specification reference
gRPC
High-performance RPC framework
Playwright
E2E testing with Microsoft Playwright
Cypress
JavaScript end-to-end testing framework
OpenTelemetry
Unified observability standard
Jaeger
Distributed tracing and monitoring
Datadog
Cloud monitoring and APM platform
GitHub Actions
CI/CD workflows and automation
Helm
Kubernetes package manager
ArgoCD
GitOps continuous delivery for K8s
Ansible
IT automation and configuration management
Vault
HashiCorp secrets management
Azure CLI
Microsoft Azure command-line interface
Google Cloud CLI
gcloud commands for GCP
TypeScript
Typed JavaScript superset
Go
Go programming language essentials
Node.js
Node.js runtime and npm commands
Trivy
Container vulnerability scanner
OWASP ZAP
Web application security testing
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