# Backbone.js vs CoffeeScript

| Attribute | Backbone.js | CoffeeScript |
|---|---|---|
| **Vioscale score** | 48.9 (20% (low)) | 33.5 (16% (low)) |
| activity.commits_last_30d | 2 | 0 |
| adoption.dependent_repos | 34,984 | 331,984 |
| adoption.github_stars | 28,100 | 16,599 |
| description.long | Backbone.js provides a lightweight framework that helps developers build maintainable web applications by separating application logic from DOM manipulation. It offers models with key-value binding and event systems, collections for managing related data, views for rendering interfaces, and routers for client-side navigation, reducing the complexity of keeping data synchronized across the browser, application layer, and server. | CoffeeScript is a programming language that compiles into JavaScript, designed to provide cleaner, more readable code while leveraging JavaScript's underlying functionality. It supports modern ES2015 features and works with popular JavaScript tooling. |
| integrations.count | - | 2 |
| integrations.list | - | `[{"name":"Traceur Compiler"},{"name":"Babel"}]` |
| language.primary | JavaScript | CoffeeScript |
| license.spdx | MIT | MIT |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://backbonejs.org","retrievedAt":"2026-08-22T22:29:15.098Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | commercial | commercial |
| pricing.price_level | free | - |
| security.scorecard | 4.7 | 3.6 |
| security.vulnerabilities | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=backbone&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=coffee-script&per_page=100","last_12m":0,"max_severity":null}` |

*Source: Vioscale. Generated 2026-09-01T17:29:29.125Z. "-" = undocumented, not absent.*