---
title: "ECC vs OpenMontage"
type: "comparison"
canonical_url: "https://www.graphcanon.com/compare/affaan-m-ecc-vs-calesthio-openmontage"
tools: ["affaan-m-ecc", "calesthio-openmontage"]
---

# ECC vs OpenMontage

Neutral, constraint-first comparison with live GitHub stats.

| | [ECC](/tools/affaan-m-ecc.md) | [OpenMontage](/tools/calesthio-openmontage.md) |
| --- | --- | --- |
| Tagline | The agent harness performance optimization system | World's first open-source, agentic video production system. |
| Stars | 226,991 | 34,944 |
| Forks | 34,707 | 4,008 |
| Open issues | 73 | 139 |
| Language | JavaScript | Python |
| License | MIT | AGPL-3.0 |
| Categories | AI Agents, Developer Tools | AI Agents |

---

**Machine-readable endpoints**

- JSON: [`/api/graphcanon/graph?tool=affaan-m-ecc`](/api/graphcanon/graph?tool=affaan-m-ecc)
- LLM index: [/llms.txt](/llms.txt)
- Full corpus: [/llms-full.txt](/llms-full.txt)

_GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_