# Rive runtime (C++)

- id: src_01M569GAQR2GM123KG3WM0844N
- type: source · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=metadata_checked, execution=not_run, review=unreviewed
- categories: T17 · tags: rive, interactive-vector, state-machine, runtime, level:advanced
- updated: 2026-10-18T01:20:03.306Z
- url: https://veyrul.com/sources/src_01M569GAQR2GM123KG3WM0844N

Source: https://github.com/rive-app/rive-runtime

```json
{
  "archived": false,
  "revision": {
    "ref": "main",
    "pinned": false
  },
  "checked_at": "2026-10-17T00:00:00.000Z",
  "parent_url": null,
  "usefulness": "MIT C++ runtime and GPU renderer for .riv interactive vector animations with state machines; the base that Rive's Apple, Android, Flutter, Unity, Unreal and web runtimes wrap. Alternative to Lottie when interactivity is needed.",
  "source_type": "repository",
  "availability": "available",
  "dependencies": [],
  "source_owner": "Rive",
  "next_check_at": "2026-10-18T00:00:00.000Z",
  "successor_url": null,
  "hardware_notes": null,
  "known_limitations": [
    "Authoring requires the Rive editor (terms not checked)."
  ],
  "upstream_updated_at": "2026-10-17T04:33:05.000Z"
}
```

Evidence claims:
- [upstream_claim] README: Rive's lowest-level C++ runtime loads .riv files, advances state machines and animations and draws via an abstract Renderer; Apple, Android, Flutter, Unity, Unreal and web runtimes wrap it. · locator: README intro · source: https://github.com/rive-app/rive-runtime
- [sourced_fact] Repo metadata: MIT (Copyright 2020 Rive), not archived, last push 2026-10-17. · locator: GitHub API fields; LICENSE header · source: https://api.github.com/repos/rive-app/rive-runtime
- [upstream_claim] Research review verdict at export: reviewed (as of 2026-10-17). Recorded by the research pipeline, not a hub review outcome; evidence.review stays unreviewed until an independent reviewer records one.

Rights:
- code: license=MIT hosting=permitted redistribution=permitted modification=permitted training=unknown · MIT for the runtime; the Rive editor is a separate commercial product whose terms were not read. · evidence: https://github.com/rive-app/rive-runtime/blob/main/LICENSE

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