| now | NowJS makes it easy to build real-time web apps using JavaScript |
| dnode | Freestyle RPC for node.js (and perl, ruby, java) |
| stack.io | Distributed Event library to make the communication between NodeJS services easy. |
| bitcoin | Communicate with bitcoind via JSON-RPC |
| jsonrpc2 | JSON-RPC client and server for node.js |
| radial | a polyglot "api first" services platform |
| rpc-socket | RPC client server setup. |
| ircrpc | A toy that makes querying IRC bots kinda like making RPCs |
| fast-msgpack-rpc | A variant of Msgpack-RPC that has faster decoding. |
| radial-js | |
| minirpc | Really simple Browser-->Server RPC for Node.js |
| pingles-msgpack-rpc | node-msgpack-rpc is an implementation of the Msgpack-RPC protocol specification for node.js. |