SQL databases / engines
Snowflake
AWS Redshift
ClickHouse
Vertica
PostgreSQL
TimescaleDB
Citus
CockroachDB
QuestDB
Yugabyte
MySQL
MariaDB
Vitess
Presto
Trino
NoSQL databases
MongoDB
AWS DynamoDB
Google Firestore
Azure CosmosDB
Message brokers
AWS SNS / SQS
Google Pub / Sub
Azure Service Bus
Kafka
NATS
RabbitMQ
Blob storages
AWS S3
Google File Storage
Azure Blob Storage
Web services
Webhooks
Elastic Stack
Elasticsearch
Observability