cujojs/most

Health v2 · maintenance only

Adoption not part of the score

3489 stars · 198 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

Most.js is a JavaScript toolkit for reactive programming built around monadic event streams, letting you compose asynchronous operations on streams of values and events like DOM events and WebSocket messages. It emphasizes an ultra-high performance, low-overhead architecture with operations for merging, filtering, transforming, and reducing streams and time-varying values.

Use cases

• compose async event streams in javascript
• handle dom events reactively
• process websocket message streams
• build reactive ui input handling
• merge filter and transform event streams
• replace rxjs with a faster stream library

When to choose

• you need high-performance, low-overhead reactive streams in JavaScript
• you prefer a small, functional, monadic API over heavier frameworks
• you're starting a new project and can use @most/core for better docs and tree-shaking

When to avoid

• you need a library with frequent updates and active maintenance
• you want the largest ecosystem and community, where RxJS is the standard
• you need reactive streams outside the JavaScript/Node/browser ecosystem

Facets

library · maturity maintenance

streaming concurrency developer-tools web-development frontend programming-languages browser cross-platform reactive-programming event-streams monadic-streams functional-programming async rx-alternative real-time nodejs javascript

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