The modern web development stack doesn't only need a web-server but is often built on a range of external services to provide specific features, from worker queues to search and pubsub. There are many mature crates for popular external services. For services accessed through a Web API, such as Cloud SDKs, see: External Web APIs and for database support, see: Databases
AMQP client library
lapin integration with tokio
Yet another simple Beanstalkd client for Rust.
Rust implementation of Celery
Rust wrapper for librdkafka
A Rust NATS client
ZeroMQ bindings for Tokio
Rust implementation of Apache Arrow
Apache Arrow Flight
DataFusion is an in-memory query engine that uses Apache Arrow as the memory model
Apache Parquet implementation in Rust
Official Elasticsearch Rust client
Rust wrapper for the MeiliSearch API. MeiliSearch is a powerful, fast, open-source, easy to use and deploy search engine.
Search engine library
Rust client for Apache Pulsar
Redis driver for Rust.
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