Registry › Compare › Neo vs OpenUI

Neo vs OpenUI

Both are Grade A and 1.8 points apart, so choose on what you weigh most. OpenUI leads on adoption.

A Neo 87.2

Neo.mjs is a self-evolving software organism: a professional end-to-end AI engineering team whose cross-model swarm inhabits live apps via Neural Link, Active Hybrid GraphRAG, DreamService, and self-healing loops.

neomjs/neo · #71 overall · #2 UI & App Builders · coverage B (3/5)

Neo doesn't lead on any scored dimension in this pair.

A OpenUI 89.0

The Open Standard for Generative UI

thesysdev/openui · #39 overall · #1 UI & App Builders · coverage B (3/5)

Choose OpenUI if adoption matters most.

+4.0Adoption: 101.1k weekly downloads against 1.3k

Where they differ

12.6

AdoptionOpenUI +4.0

16.6

+5.0

Runtime calibrationNeo +2.2

+2.8

4 dimensions identical: Safety 18.8 · Identity 18.0 · Transparency 12.8 · Maintenance 20.0 · Full evidence table

An independent, evidence-based trust comparison of Neo and OpenUI, two UI & App Builders projects in the HVTracker registry. Scores come from public, checkable signals — supply-chain provenance, OSSF Scorecard, maintenance, and adoption — not popularity.

Full evidence

Signal	Neoneomjs/neo	OpenUIthesysdev/openui
HVTrust score	87.2	89.0
Evidence grade	A	A
Coverage grade	B	B
Overall rank	#71	#39
Rank in UI & App Builders	#2	#1
GitHub stars	3.3k	14.4k
Last updated	today	today
Build provenance	Yes	Yes
OSSF Scorecard	5.0 / 10	5.1 / 10
License	MIT	MIT
Downloads	1k/wk	101k/wk
Trust dimensions (points earned)
Safety / integrity / 25	18.8	18.8
Identity & provenance / 18	18.0	18.0
Transparency / 17	12.8	12.8
Maintenance / 20	20.0	20.0
Adoption / 20	12.6	16.6
Runtime capability surface (full matrix)
MCP server	Implemented	—
External providers	—	1 — OpenAI
Requires API keys	No	No
Plugin surface	plugins	—
Provenance drift	Match	Match

Open in the live compare tool → Neo profile OpenUI profile More UI & App Builders →

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption, scaled by an evidence-confidence factor. Grade bands: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Signals refresh daily. Full methodology v4.4 →