# NatronGitHub/Natron

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

Repository: https://github.com/NatronGitHub/Natron
Canonical: https://ross.abutalabs.com/products/natron
Homepage: http://NatronGitHub.github.io
Language: C++
License: GPL-2.0
License Family: copyleft
Last push: 2026-07-24T09:49:49+00:00

## Health v2 (maintenance only)
Score: 65/100 (v2, computed 2026-09-02T17:46:02.011165+00:00)
- activity 94, release rhythm 8, longevity 100
- inputs: {"age_days": 3157, "days_push": 40, "days_rel": 719, "gap_med": null, "n_releases_24m": 1}
- flags: prerelease_only
- formula: round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10)

## Adoption (not part of the score)
Stars 5496, forks 399 (observed 2026-08-28T04:09:19.887716+00:00)

## What it is
Natron is a free, open-source, node-based video compositing application for visual effects and motion graphics, comparable to Adobe After Effects, Nuke, and Fusion. It features a 32-bit float color pipeline, OpenColorIO color management, OpenFX plugin support, tracking, roto, keying, and headless render-farm rendering.

## Use cases
- composite visual effects shots with a node graph
- create motion graphics without paying for After Effects
- chroma key green screen footage
- rotoscope and track objects in video
- render composites headlessly on a render farm
- find a free open-source Nuke or Fusion alternative

## When to choose
- you need node-based 2D compositing on Linux, macOS, or Windows at no cost
- you want OpenFX plugin compatibility and OCIO color management
- you need headless rendering for distributed render farms

## When to avoid
- you need a mature ecosystem of tutorials and third-party plugins like After Effects
- you require native Apple Silicon performance or Qt6 support
- you need heavy 3D compositing features found in Nuke

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

## Member repositories
- NatronGitHub/Natron (main) score 65

## Provenance
- Observed fields: from GitHub, fetched 2026-08-28T04:09:19.887716+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 2026-08-29T17:56:19.172684+00:00, confidence not recorded.
  - readme: https://github.com/NatronGitHub/Natron (fetched 2026-08-28T04:09:19.887716+00:00, sha 3d0d9e7fbe2b)
  - homepage: http://NatronGitHub.github.io (fetched 2026-08-29T08:51:23.182811+00:00, sha c3e99944b18d)
- Data as of 2026-08-30T08:39:29.467469+00:00.