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ruyo/VRM4U

Runtime VRM loader for UnrealEngine5 observed · 2026-08-28

github.com/ruyo/VRM4U · C++ · NOASSERTION (other) observed · 2026-08-28

Health v2 · maintenance only

97/100

  • Activity 99
  • Release rhythm 94
  • Longevity 100

Flags: no_license

How is this computed?

round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.

  • gap_med: 20
  • age_days: 2888
  • days_rel: 42
  • days_push: 7
  • n_releases_24m: 30

Full methodology

Adoption not part of the score

1945 stars · 231 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded

VRM4U is an Unreal Engine (UE4/UE5) plugin that imports VRM 3D avatar files at runtime and in-editor. It generates skeletal rigs, morph targets, spring bones, and MToon-style anime materials so VRM characters render correctly within Unreal Engine scenes.

Use cases

  • load VRM avatar models in Unreal Engine 5
  • render anime-style characters with MToon shading in UE5
  • retarget humanoid animations onto VRM characters
  • use VRM models on mobile with skeletal mesh reduction
  • import VRM spring bones and blend shapes into Unreal
  • display VRM characters in PBR scenes without post-processing

When to choose

  • you need to use VRM avatars inside Unreal Engine 4 or 5
  • you want anime/toon-shaded characters with outlines and MatCap in UE
  • you need runtime VRM loading in a shipped UE game
  • you target Windows, Mac, or mobile platforms in Unreal

When to avoid

  • you use Unity, Godot, or another engine instead of Unreal Engine
  • you need PBR-accurate character rendering rather than toon shading
  • you require commercial support or guaranteed response times (it is a solo-maintained project)
  • you need UE versions older than 4.20 with full material support

Facets

plugin · maturity active

graphics animation image-processing sdk graphics cross-platform windows cpp game-engine unreal-engine vrm 3d-model-import anime-style-rendering mtoon spring-bone vtuber game-development macos android ios

1 source

Member repositories

RepositoryRoleHealth v2
ruyo/VRM4Umain97

For agents

markdown · JSON · MCP: product_card(name="ruyo/VRM4U")

Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem