sofastack/sofa-bolt

Health v2 · maintenance only

Adoption not part of the score

2503 stars · 870 forks observed · 2026-08-28

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

SOFABolt is a lightweight, high-performance network remoting framework for Java built on Netty, developed by Ant Financial. It provides connection management, multiple invocation models (oneway, sync, future, callback), and a protocol framework for implementing custom private protocols, and powers SOFARPC and other middleware.

Use cases

• build an rpc client and server in java
• implement a custom binary protocol over netty
• add reliable connection management with heartbeat and auto-reconnect
• remote procedure calls between microservices
• build messaging middleware communication layer
• avoid writing raw netty nio code for rpc

When to choose

• you need a proven netty-based remoting layer for java middleware
• you want built-in rpc protocol with callback, sync, and oneway invocation
• you are building on the SOFAStack ecosystem such as SOFARPC

When to avoid

• you need cross-language rpc with broad ecosystem support like gRPC
• your project is not on the JVM
• you prefer a higher-level service framework rather than a remoting library

Facets

library · maturity stable

rpc networking serialization middleware microservices backend developer-tools jvm cross-platform netty remoting sofastack custom-protocol high-performance java messaging

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