cloudwego/volo

Health v2 · maintenance only

Adoption not part of the score

2630 stars · 223 forks observed · 2026-10-10

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

Volo is a high-performance, strongly extensible RPC framework written in Rust for building microservices. It provides Thrift, gRPC, and HTTP implementations, IDL-driven code generation, and a middleware abstraction powered by AFIT and RPITIT.

Use cases

• build microservices in rust with rpc
• serve and call thrift rpc services
• build grpc servers and clients in rust
• generate rust code from thrift and protobuf idl
• build high-performance http services in rust
• bootstrap a new rust rpc project from the command line

When to choose

• you are building microservices in Rust and want a mature RPC framework
• you need Thrift or gRPC support with IDL-based code generation
• performance and low allocation overhead are priorities
• you want an extensible middleware abstraction

When to avoid

• your stack is not Rust
• you need a simple REST-only service with minimal framework overhead
• you rely on an ecosystem of RPC features available only in Go or Java frameworks

Facets

framework · maturity active

rpc middleware web-framework http-server http-client serialization cli microservices backend apis web-development developer-tools rust cross-platform cli grpc thrift protobuf async afit rpitit code-generation microservices

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