#rpc

Collection of essential libraries and tools for building web extensions

Opinionated REST API types: errors (RFC 9457), pagination, health checks, and more. No HTTP client, no business logic — just types.

json-joy is a library that implements cutting-edge real-time and collaborative editing algorithms and utilities for JSON data models, with a focus on developing the JSON CRDT (Conflict-free Replicated Data Type) specification and implementation.

Build real-time Blazor and MAUI apps while writing just 0.1% of the usual real-time update code. Handle 10× more API requests with the ActualLab.Rpc protocol—or 1000× more with Fusion’s transparent and perfectly coherent caching.

Python SDK for the VGI (Vector Gateway Interface) protocol — host DuckDB scalar, table, aggregate, and table-in-out functions in an external worker over Arrow IPC.

deepstream.io server

Use Preact Models + Signals from a server as if they lived on the client.

A unified CLI for discovering and invoking tools across OpenAPI, MCP, GraphQL, gRPC, and JSON-RPC

Rust implementation of a JSON-RPC client and server.

SignalX (sigx) — a fine-grained reactive TypeScript framework with signals, TSX components and typed server functions. One core for web, native and terminal apps.

Java library for using Monero

The batteries-included TypeScript backend that goes serverless without leaving its batteries behind. Durable jobs + cron, multi-runtime (Node/Bun/Deno/Workers/Lambda/Vercel), built on Web Standard APIs. 1500+ tests.

Securely connect apps, services, and devices with end-to-end encrypted sessions, RPC, and streams across Go, TypeScript, Swift, and Rust.

🦑 Async Rust RPC and IPC where calls can pass live channels and remote objects over a single multiplexed connection.

TypeScript library for using Monero

Key Value Database in .Net with Object DB Layer, RPC, dynamic IL and much more

RPC messaging library for the VS Code extension platform

Plugins and presets to extend your Kit clients.

the c4 monorepo

A TypeScript RPC protocol for multiple environments (iframe, web worker, stdio, http, WebSocket)

The router-less serverless RPC framework for TypeScript

A High Performance Java AIO framework

WatsonTcp is the easiest way to build TCP-based clients and servers in C#.

Integration for Hono's RPC client with React Query

AI-native control plane for KLayout: RPC plugin, Python client, MCP bridge, and routing workflows for agent-driven layout automation.

🚀 Discord Rich Presence for Neovim

IdeaLingua RPC for Scala, TypeScript, C#

统一高性能远程通信框架：RPC + HTTP/REST + WebSocket + SRMP，支持 net45~net10，海量长连接与高吞吐，统一登录/心跳/指令/事件生命周期，零重依赖。

Transport-agnostic RPC framework on Apache Arrow IPC — Rust port of vgi-rpc

A Go-powered application framework for Flutter.