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SkelForm

SkelForm is ranked #8 of 46 in 2D character animation software on Freedom251. It runs on Linux, macOS, Web, Windows. There is a free plan.

SkelForm plans and pricing

Free and open-source Free Free and open-source 2D skeletal animator skelform.org · 3 Oct 2026

Compared on 2D character animation software

Free plan: Yes
Mesh deformation: Yes

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SkelForm

Purpose: SkelForm is a 2D skeletal animator designed for games.
Web editor: The site offers an editor that can be used without downloading SkelForm.
Animation features: The site lists skeletal animations, styles, inverse kinematics, and mesh deformation as features.
PSD import: SkelForm supports importing Photoshop Document (PSD) files to create an armature.
PSD structure: PSD groups become bones, and the layers within each group are merged to form its texture.
Exports: The site lists sprite sheet and video exports.
Game runtimes: The site says a runtime is needed to run SkelForm animations in games and lists generic and engine runtimes.
Integrations: The user guide includes instructions for using SkelForm animations in pygame.
Desktop availability: The v0.8 release says SkelForm has dedicated installers for Windows and Mac.
Portable download: The installation guide describes the downloaded editor as a portable program distributed without an installer.
Documentation status: The user documentation says SkelForm and its documentation are works in progress.
Support: The site invites users to ask questions, suggest improvements, or report bugs in its Discord server or forums without an account.
License: The public GitHub repository identifies its license as GPL-3.0.
Mobile limitation: The repository says mobile development is inactive and there is no direct mobile build process; it describes using the web version in a WebView wrapper.
Price from: Free

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Where it ranks on Freedom251

Best 2D Character Animation Software in 2026#8 of 46
Best Game Animation Software in 2026#6 of 32
Best 2D Game Animation Software in 2026#4 of 25

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Sources

skelform.org/user-docs/· checked 3 Oct 2026
skelform.org/user-docs/installation.html· checked 3 Oct 2026
skelform.org· checked 3 Oct 2026
skelform.org/user-docs/psd.html· checked 3 Oct 2026
skelform.org/user-docs/starter-guide/main.html· checked 3 Oct 2026
github.com/Retropaint/SkelForm/releases· checked 3 Oct 2026
github.com/Retropaint/SkelForm· checked 3 Oct 2026