* [Yaak  Desktop API Client v2026.4.0](https://github.com/mountain-loop/yaak) – Fast, privacy-first desktop client for REST, GraphQL, SSE, WebSocket, and gRPC APIs built with Tauri, Rust, and React.

* [SvelteKit SSE v0.15.1](https://github.com/razshare/sveltekit-sse) – Library for producing and consuming server sent events with SvelteKit.

* [iodine v0.7.59](https://github.com/boazsegev/iodine) – Fast concurrent Ruby web server with native WebSocket, EventSource, and Pub/Sub support, including C-backed performance optimizations.