- Twirp - Simple RPC framework with protobuf service definitions.
- RPCValet: NI-driven tail-aware balancing of µs-scale RPCs (2019)
- tarpc - RPC framework for Rust with a focus on ease of use.
- Simple GoRpc - RPC explained by writing simple RPC framework in 300 lines of pure Golang.
- Facebook Thrift - Serialization and RPC framework for service communication.
- NNG: Lightweight Messaging Library - Lightweight, broker-less library, offering a simple API to solve common recurring messaging problems, such as publish/subscribe, RPC-style request/reply, or service discovery.
- Remotely like a procedure call (2020)
- gorums - Framework for simplifying the design and implementation of fault-tolerant quorum-based protocols.