Full production 2D animation suite, open-sourced by DWANGO from the Toonz software used in studio animation work. Covers drawing, scanning and cleanup, timing (Xsheet), effects and compositing. Heavier than pencil2d, aimed at longer or more polished animation.
At a glance
Licence
BSD-3-Clause
Commercial use
commercial OK
Credit
Not required
Status
active: License spot-checked at the source; the entry carries dated evidence.
The site says OpenToonz can be used free of charge for both commercial and non-commercial projects, and the source is New BSD
The site points to separate "rules of use" for the installer build, but the page links no such document; it was not read for this entry. The commercial statement above is on the project's own homepage
Third-party code in thirdparty/ and the bundled MyPaint brushes carry their own licences, per the LICENSE.txt header
Filed in tools/ with the other general 2D art and animation editors
Evidence
Live homepage (2026-09-26): "OpenToonz can be used free of charge for both commercial and non-commercial projects" and "Its source code is available under the terms of the New BSD License"
Live GitHub opentoonz/opentoonzLICENSE.txt (2026-09-26): "Copyright (c) 2016 - 2026, DWANGO Co., Ltd." and "BSD 3-Clause "New" or "Revised" License"