Data Stores
Apache SparkApache FlinkDruidPigAmazon S3PostgreSQLMemcachedCassandraHadoopHBaseRedisKafkaRabbitMQAmazon SQSAirflow
Development
SeleniumGitHubKubernetesPhantomJSTerraformAWS CloudFormationJestCypressMochaChaiHAProxyAnsibleChefCucumberGitDocker
Libraries
Plotly.jsNumPyPandasReactjQueryUnderscoreRedux
Application Hosting
Amazon EC2Google Cloud PlatformGoogle Compute EngineNGINXGunicorn
Application Utilities
Amazon Route 53Embedlyscikit-learnTransifex
Monitoring
SentryLogstashPingdom
Languages & Frameworks
Node.jsBackbone.jsJavaScriptPythonHTML5JavaCSS 3KotlinMarkdownSwiftC++CScalaObjective-CR LanguageFlaskUbuntuLinuxGraphQLTypeScript
Marketing and Sales Tools
Zendesk
Communications
Amazon SNSTwilio