npm93Exceptionalhealth index
Rotorsoft/act-rootEvent-sourcing framework for TypeScript. Three primitives (actions, state, reactions), Zod end to end, no broker required. Postgres, SQLite, or in-memory.
TypeScript★ 8↓ 26.3K/moJul 24, 2026
Go92Excellenthealth index

centrifugal/centrifugoScalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.
Go★ 10.7KAug 28, 2026
Go90Excellenthealth index
nuetzliches/hookaido🪝 Durable webhook gateway with Caddyfile-style config. Receive → queue → deliver (pull, push, SSE, or exec). HMAC auth, retries, DLQ, hot reload.
Go★ 13Jul 19, 2026
npm · Maven88Excellenthealth index
Atmosphere/atmosphereReal-time transport layer for Java AI agents. Build once with @Agent — deliver over WebSocket, SSE, gRPC, and WebTransport/HTTP3. Talk MCP, A2A and AG-UI.
Java★ 3,788↓ 120.4K/moJul 22, 2026
Go · npm · PyPI86Excellenthealth index
Go · Vue★ 446Aug 1, 2026
npm83Excellenthealth index
TypeScript★ 1,153↓ 198M/moAug 13, 2026
NuGet80Excellenthealth index
C#★ 72Aug 10, 2026
Go · npm80Excellenthealth index

modiimedia/arriArri RPC is a code-first RPC framework for end-to-end type safety in any language
TypeScript · Rust · Kotlin★ 500Sep 5, 2026
crates.io78Goodhealth index
Rust★ 113↓ 449.1K/moAug 11, 2026

zonlabs/mcp-tsAn MCP client library for building conversational AI applications with dynamic tool discovery for context-efficient agents.
TypeScript★ 24↓ 4,311/moSep 5, 2026
RubyGems77Goodhealth index
Ruby★ 61Jul 20, 2026
crates.io · npm73Goodhealth index
gpu-cli/openapi-to-rustOpenAPI generator for Rust: typed models, async Reqwest/SSE clients, and Axum server scaffolding for OpenAPI 3.0/3.1.
Rust★ 21↓ 2,235/moJul 23, 2026
Go★ 12Aug 10, 2026
Packagist69Goodhealth index
symfony/mercure-bundleThe MercureBundle allows to easily push updates to web browsers and other HTTP clients in the Symfony full-stack framework, using the Mercure protocol.
PHP★ 309↓ 520.2K/moAug 4, 2026

LarsArtmann/go-sseMinimal, type-safe Server-Sent Events library for Go — wire format, connection lifecycle, fan-out broadcasting, and reconnection replay. No framework or payload-format opinions.
Go★ 1Aug 31, 2026
TypeScript★ 497↓ 254M/moAug 31, 2026

symfony/mercureThe Mercure Component allows to easily push updates to web browsers and other HTTP clients using the Mercure protocol.
PHP★ 442↓ 573.1K/moAug 5, 2026
PyPI63Moderatehealth index
Python★ 7↓ 2,841/moAug 28, 2026
catgoose/tavernLive hypermedia delivery layer for Server-Sent Events (SSE) in Go.
Go★ 1Jul 17, 2026
npm · Go47Weakhealth index
Go · JavaScript★ 0↓ 328/moSep 3, 2026
JavaScript★ 147↓ 1,433/moSep 5, 2026
TypeScript★ 2,866↓ 11.6M/moAug 13, 2026
JavaScript★ 30↓ 2,471/moSep 6, 2026
PHP★ 879↓ 3,033/moAug 5, 2026
Go★ 2Jul 24, 2026