# Elysia

> Ergonomic Framework for Humans

- **Canonical URI:** https://www.vioscale.ai/software/elysia
- **Category:** Web Frameworks
- **Homepage:** https://elysiajs.com/
- **Also known as:** elysia
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-03T20:58:39.768Z

## Vioscale score

**60 / 100**, confidence 41% (low).

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 45.8 | 16 | 733.1 | ✓ |
| github_stars | 80.6 | 5 | 403.2 | ✓ |
| integrations | 0 | 8 | 0 | - |
| github_activity | 24.5 | 18 | 441 | ✓ |
| release_cadence | 93.3 | 10 | 933.3 | ✓ |
| security_posture | 0 | 13 | 0 | - |
| package_downloads | 76.5 | 26 | 1989.8 | ✓ |
| stackoverflow_activity | 0 | 12 | 0 | - |

## Pricing

_As of 2026-08-03, [verify at source](https://elysiajs.com/). Independently observed._

Open source

## About

Backend TypeScript framework with end-to-end type safety, formidable speed, and exceptional developer experience. Supercharged by Bun with built-in WebSocket, file serving, and streaming support.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI

## Capabilities

_The capabilities that matter for Web Frameworks. "-" = undocumented, not absent._

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

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 18,832 | [link](https://github.com/elysiajs/elysia) | 2026-08-03 | 90% (high) |
| adoption.package_downloads_weekly | 779,709 | [link](https://www.npmjs.com/package/elysia) | 2026-08-03 | 85% (high) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 5 | [link](https://github.com/elysiajs/elysia/pulse) | 2026-08-03 | 65% (medium) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | TypeScript | [link](https://github.com/elysiajs/elysia) | 2026-08-03 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/elysiajs/elysia) | 2026-08-03 | 99% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.model | open_source | [link](https://elysiajs.com/) | 2026-08-03 | 60% (medium) |
| pricing.price_level | free | [link](https://elysiajs.com/) | 2026-08-03 | 60% (medium) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 12 | [link](https://github.com/elysiajs/elysia/releases) | 2026-08-03 | 70% (medium) |

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*Source: Vioscale (https://www.vioscale.ai/software/elysia). Independent, evidence-based software intelligence. Cite the canonical URI.*