# MrKepzie/Natron

Open-source compositing software. Node-graph based. Similar in functionalities to Adobe After Effects and Nuke by The Foundry.

Repository: https://github.com/MrKepzie/Natron
Canonical: https://ross.abutalabs.com/products/mrkepzie-natron
Language: C++
License: GPL-2.0
License Family: copyleft
Topics: c-plus-plus, vfx, cross-platform, openfx
Last push: 2018-09-30T20:43:46+00:00

## Health v2 (maintenance only)
Score: 23/100 (v2, computed 2026-09-03T02:20:16.233290+00:00)
- activity 0, release rhythm 8, longevity 100
- inputs: {"age_days": 4867, "days_push": 2894, "days_rel": null, "gap_med": null, "n_releases_24m": 0}
- flags: none
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 1508, forks 161 (observed 2026-08-28T04:04:55.577608+00:00)

## What it is
Natron is a free, open-source, node-graph based video compositing application similar to Adobe After Effects, Nuke, and Blackmagic Fusion. It features a 32-bit float linear color pipeline, OpenColorIO color management, broad file format support via OpenImageIO and FFmpeg, and OpenFX plugin compatibility.

## Use cases
- composite video shots with a node graph
- free alternative to After Effects or Nuke
- keying and rotoscoping for VFX
- render 32-bit float EXR/DPX sequences
- use OpenFX plugins for visual effects
- color-managed compositing with OpenColorIO

## When to choose
- you need a free cross-platform node-based compositor
- you want OpenFX plugin compatibility including commercial plugins
- you need a 32-bit float linear color pipeline for film work

## When to avoid
- you need motion graphics templates and ecosystem like After Effects
- you require actively maintained software with recent releases
- you need a lightweight quick video editor rather than a compositor

## Facets
- artifact type: application
- maturity: maintenance
- function: video-processing, image-processing, graphics, gui
- domain: graphics, media, cross-platform
- platform: windows, cross-platform
- tags: compositing, vfx, node-graph, openfx, motion-graphics, after-effects-alternative, nuke-alternative, video, linux, macos, desktop

## Member repositories
- MrKepzie/Natron (main) score 23

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:04:55.577608+00:00.
- Health v2: computed from the inputs above; adoption is never an input.
- Inferred fields (summary, facets, guidance): AI-extracted, prompt v1, taxonomy v1, on 2026-08-30T04:32:31.166962+00:00, confidence not recorded.
  - readme: https://github.com/MrKepzie/Natron (fetched 2026-08-28T04:04:55.577608+00:00, sha 7eaf65411720)
- Data as of 2026-08-30T08:39:29.467469+00:00.