# Fiber vs Koa

**Leader by Vioscale score:** Fiber

| Attribute | Fiber | Koa |
|---|---|---|
| **Vioscale score** | 65.7 (67% (medium)) | 52.9 (67% (medium)) |
| activity.commits_last_30d | 100 | 3 |
| adoption.dependent_repos | 5,223 | 109,950 |
| adoption.github_stars | 40,088 | 35,689 |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | - |
| description.long | An open-source Go framework built on the Fasthttp HTTP engine, providing familiar Express-like routing and middleware patterns for building web APIs and servers with minimal overhead. | Koa is a lightweight backend framework for Node.js that emphasizes simplicity and developer experience through modern async/await middleware composition, without bundling dependencies. |
| features.capabilities | `{"language":"Go","api_routes":true,"file_routing":false,"server_components":true}` | `{"language":"JavaScript","api_routes":true}` |
| language.primary | Go | JavaScript |
| license.spdx | MIT | MIT |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://gofiber.io/","retrievedAt":"2026-08-13T22:40:15.243Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | open_source | commercial |
| pricing.price_level | free | - |
| release.cadence_days | 26 | 16 |
| release.history | `[{"url":"https://github.com/gofiber/fiber/releases/tag/v3.5.0","date":"2026-08-13T07:24:30Z","type":"stable","version":"v3.5.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.15","date":"2026-08-12T15:03:17Z","type":"stable","version":"v2.52.15"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.14","date":"2026-07-06T06:30:09Z","type":"stable","version":"v2.52.14"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.4.0","date":"2026-07-02T07:39:44Z","type":"stable","version":"v3.4.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.3.0","date":"2026-05-22T07:15:22Z","type":"stable","version":"v3.3.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.2.0","date":"2026-04-25T10:53:02Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.13","date":"2026-04-25T13:07:17Z","type":"stable","version":"v2.52.13"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.1.0","date":"2026-02-24T20:30:38Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.12","date":"2026-02-24T20:40:25Z","type":"stable","version":"v2.52.12"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0","date":"2026-02-02T18:22:38Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.11","date":"2026-01-31T15:56:24Z","type":"stable","version":"v2.52.11"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-rc.3","date":"2025-11-19T15:42:23Z","type":"prerelease","version":"v3.0.0-rc.3"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.10","date":"2025-11-19T14:21:16Z","type":"stable","version":"v2.52.10"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-rc.2","date":"2025-09-29T11:15:51Z","type":"prerelease","version":"v3.0.0-rc.2"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-rc.1","date":"2025-08-26T07:28:06Z","type":"prerelease","version":"v3.0.0-rc.1"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-beta.5","date":"2025-07-20T14:49:17Z","type":"prerelease","version":"v3.0.0-beta.5"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.9","date":"2025-07-20T13:43:53Z","type":"stable","version":"v2.52.9"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.8","date":"2025-05-22T07:01:43Z","type":"stable","version":"v2.52.8"},{"url":"https://github.com/gofiber/fiber/releases/tag/v3.0.0-beta.4","date":"2024-12-31T17:00:22Z","type":"prerelease","version":"v3.0.0-beta.4"},{"url":"https://github.com/gofiber/fiber/releases/tag/v2.52.6","date":"2024-12-31T17:12:37Z","type":"stable","version":"v2.52.6"}]` | `[{"url":"https://github.com/koajs/koa/releases/tag/v3.2.1","date":"2026-05-21T07:26:16Z","type":"stable","version":"v3.2.1"},{"url":"https://github.com/koajs/koa/releases/tag/v3.2.0","date":"2026-03-28T05:41:00Z","type":"stable","version":"v3.2.0"},{"url":"https://github.com/koajs/koa/releases/tag/v3.1.2","date":"2026-02-25T13:37:14Z","type":"stable","version":"v3.1.2"},{"url":"https://github.com/koajs/koa/releases/tag/v2.16.4","date":"2026-02-25T13:38:28Z","type":"stable","version":"v2.16.4"},{"url":"https://github.com/koajs/koa/releases/tag/v3.1.1","date":"2025-10-27T04:27:58Z","type":"stable","version":"v3.1.1"},{"url":"https://github.com/koajs/koa/releases/tag/v3.1.0","date":"2025-10-26T13:17:47Z","type":"stable","version":"v3.1.0"},{"url":"https://github.com/koajs/koa/releases/tag/v3.0.3","date":"2025-10-18T14:22:52Z","type":"stable","version":"v3.0.3"},{"url":"https://github.com/koajs/koa/releases/tag/v2.16.3","date":"2025-10-18T14:36:52Z","type":"stable","version":"v2.16.3"},{"url":"https://github.com/koajs/koa/releases/tag/v3.0.2","date":"2025-10-17T06:56:28Z","type":"stable","version":"v3.0.2"},{"url":"https://github.com/koajs/koa/releases/tag/v2.16.2","date":"2025-07-30T00:02:36Z","type":"stable","version":"v2.16.2"},{"url":"https://github.com/koajs/koa/releases/tag/v3.0.1","date":"2025-07-27T07:38:40Z","type":"stable","version":"v3.0.1"},{"url":"https://github.com/koajs/koa/releases/tag/v3.0.0","date":"2025-04-28T00:40:12Z","type":"stable","version":"v3.0.0"},{"url":"https://github.com/koajs/koa/releases/tag/3.0.0-alpha.5","date":"2025-04-06T21:43:50Z","type":"stable","version":"3.0.0-alpha.5"},{"url":"https://github.com/koajs/koa/releases/tag/v2.16.1","date":"2025-04-06T21:41:44Z","type":"stable","version":"v2.16.1"},{"url":"https://github.com/koajs/koa/releases/tag/3.0.0-alpha.4","date":"2025-03-21T07:37:11Z","type":"prerelease","version":"3.0.0-alpha.4"},{"url":"https://github.com/koajs/koa/releases/tag/2.16.0","date":"2025-02-27T05:56:03Z","type":"stable","version":"2.16.0"},{"url":"https://github.com/koajs/koa/releases/tag/2.15.4","date":"2025-02-12T14:12:11Z","type":"stable","version":"2.15.4"},{"url":"https://github.com/koajs/koa/releases/tag/3.0.0-alpha.2","date":"2024-11-04T05:10:02Z","type":"prerelease","version":"3.0.0-alpha.2"}]` |
| reliability.status_page | - | yes |
| security.disclosure_policy | yes | - |
| security.scorecard | 7 | 6.2 |
| security.vulnerabilities | `{"count":10,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fgofiber%2Ffiber%2Fv2&per_page=100","last_12m":3,"max_severity":"CRITICAL"}` | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=koa&per_page=100","last_12m":2,"max_severity":"CRITICAL"}` |

## Capabilities (Web Frameworks)

| Capability | Fiber | Koa |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | - | - |
| File-based routing | ✗ | - |
| Language | Go | JavaScript |
| **Rendering** |  |  |
| Server components | ✓ | - |
| Streaming SSR | - | - |
| **Fullstack** |  |  |
| Built-in API / backend routes | ✓ | ✓ |
| **DX** |  |  |
| First-class TypeScript | - | - |
| Fast refresh / HMR | - | - |
| **Deployment** |  |  |
| Edge runtime support | - | - |

*Source: Vioscale. Generated 2026-09-01T14:39:36.887Z. "-" = undocumented, not absent.*