Open Source & Free Animation & VFX

  • FreeCAD

    Free Mac Windows Linux BSD Web Website

    FreeCAD is a general purpose parametric 3D CAD modeler. The development is completely Open Source (LGPL License). FreeCAD is aimed directly at mechanical engineering and product design but also fits in a wider range of uses around engineering, such as architecture or other engineering specialties.
    FreeCAD features tools similar to Catia, SolidWorks or Solid Edge, and therefore also falls into the category of MCAD, PLM, CAx and CAE. It is a feature based parametric modeler with a modular software architecture which makes it easy to provide additional functionality without modifying the core system.
    As with many modern 3D CAD modelers it has many 2D components in order to sketch 2D shapes or extract design details from the 3D model to create 2D production drawings, but direct 2D drawing (like AutoCAD LT) is not the focus, neither are animation or organic shapes (like Maya, 3ds Max, Blender or Cinema 4D), although, thanks to its wide adaptability, FreeCAD might become useful in a much broader area than its current focus.
    FreeCAD makes heavy use of all the great open-source libraries that exist out there in the field of Scientific Computing. Among them are OpenCascade, a powerful CAD kernel, Coin3D, an incarnation of Open Inventor, Qt, the world-famous UI framework, and Python, one of the best scripting languages available. FreeCAD itself can also be used as a library by other programs.
    FreeCAD is also fully multi-platform, and currently runs flawlessly on Windows and Linux/Unix and Mac OSX systems, with the exact same look and functionality on all platforms.


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  • F3D

    Free Mac Windows Linux Website

    F3D, a fast and minimalist 3D viewer.


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  • mrViewer

    Free Windows Linux Website

    A video player, interactive image viewer, and flipbook for use in VFX, 3D computer graphics and professional illustration.


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  • Python

    Free Mac Windows Linux S60 BSD ... AROS Haiku AmigaOS OpenSolaris MorphOS Website

    Python is an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.


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  • openMVG

    Free Mac Windows Linux Website

    openMVG: "open Multiple View Geometry" is a c++ library for computer-vision scientists and especially targeted to the Multiple View Geometry community. It is designed to provide an easy access to the classical problem solvers in Multiple View Geometry and solve them accurately.

    It consists in a core library and some software to ease photogrammetry.


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  • Source Filmmaker

    Free Windows Steam Website

    The Source Filmmaker (SFM) is a movie-making tool built to make movies inside the Source game engine. Because the SFM uses the same assets as the game, anything that exists in the game can be used in the movie, and vice versa.


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  • insight3d

    Free Windows Linux Website

    insight3d let’s you create 3D models from photos. You give it a series of photos of a real scene, it automatically matches them and then calculates positions in space from which each photo has been taken along with a cool 3D pointcloud of the scene.


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  • MeshMolder

    Free Windows Website

    MeshMolder is a digital sculpting software that works like a clay, adding and removing parts where desired by controlling the thickness and radius of coverage and thus creating the final form. The software is completely in beta, functional and free (freeware) can be used as a hobby or for commercial purposes. This version contains new tools for modeling, facilitating the breakdown of organic figures. This new version has increased stability and capacity, which adds more details their creations. In addition to the standard format '.met' you can import and export in the format '.Obj', export in format '.ply' and can be used in other 3D software.


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  • MicMac

    Free Mac Windows Linux Website

    Open source Photogrammetric suite compatible with close range, aerial and satellite data.


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  • Celtx

    Freemium Mac Web Android iPhone Android Tablet ... iPad Website

    Based on the Firefox engine, supports standards, visual storyboarding, production scheduling, publication & international languages MUI support. Free tutorials, videos & wiki are available from the site. There is a very helpful community too.

    Portable versions:

    Celtx uses an industry standard screenwriting editor typical for screenplays, stageplays, AV scripts, comic books or radio plays. Celtx also includes a rich text editor for outlines. Celtx also incorporates LaTeX in its Typeset feature which allows for more flexible templates & printing options.
    Project collaboration, management & storage
    Celtx offers a web service called Celtx Studios for advanced project collaboration & online file storage.

    Scripts can be uploaded to the Celtx Forum for public viewing, peer reviews & commentary.

    Celtx utilizes the open source Mozilla Sunbird to handle calendaring & production scheduling.

    Celtx features thirty-five different elements, such as Actor or Special Effects, that can be added to the project. These elements can have various information added to them, such as media or text. Celtx allows directors & writers to easily tag elements within each script. These tagged elements can then be automatically transferred to a script breakdown which allows production staffers to easily know what elements the script calls for.

    Pre-Visualization Tools

    Celtx allows people to create storyboard sequences, which can be printed or played using Celtx's built-in image viewer. These are also available to view on a project's website & can be played inside the browser.

    Sketch Tool
    The Sketch tool can be used to draw a sketch or setup which can also be added to your storyboard. The Sketch tool includes pre-loaded icons for cameras, lights & people that can be tagged with text & tools for drawing lines, arrows, shapes & text.


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  • SculptGL

    Free Web Website

    SculptGL is a small sculpting application powered by JavaScript and webGL.


    • Sculpting tools

      • Standard tools : Brush, Inflate, Smooth, Twist, Drag, etc
      • PBR Vertex Painting (color, roughness, metalness)
      • Alpha texture support for each tools
    • Multiresolution sculpting

      • Quad-tri Subdivison (catmull-clark/loop)
      • Reversion (compute opposite of subdvision if possible)
      • Navigating from low/high poly level subdiv will retain sculpting changes
      • keep UVs (both reversion and subdivison)
    • Voxel remeshing

      • Uses SurfaceNets meshing algorithm (produces quad-only mesh)
      • Uniform remeshing (quads will have the same size)
      • Can also create non-manifold vertex :(
      • In case of a non closed mesh, a naive holefilling algorithm is performed first
      • Deletes UV
    • Dynamic topology

      • Triangles only
      • Operates in real time
      • Local subdivision (create new triangles)
      • Local decimation (deletes triangles)
      • Deletes UV
    • Supports OBJ, PLY, STL import/export

      • Reads vertex color
      • Optimizes post and pre transform cache (tipsy algorithm)
    • Undo/Redo support


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  • waifu2x

    Free Web Website

    Image Super-Resolution [upscaling] for Anime-style [low detail] art or images using Deep Convolutional Neural Networks.

    Web App
    Online web app [using the same library] provided at .

    Command Line Program
    Command line tool with integrated software library to upscale images and apply post processing. Utilizes either CPU (extremely slow and resource intensive) or Nvidia GPU (fast with CUDA acceleration) for upscaling.


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    Free Mac Windows Website

    Image-based 3D reconstruction pipeline with a graphical and command-line interface.


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  • Pix4Dmapper

    Commercial Mac Windows Linux Website

    Photogrammetry software for professional drone-based mapping, purely from images.


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  • Celluloid

    Free Linux mpv Website

    Celluloid (formerly GNOME MPV) is a simple GTK+ frontend for mpv. Celluloid interacts with mpv via the client API exported by libmpv, allowing access to mpv's powerful playback capabilities.
    Celluloid interacts with Small MPV iconMPV via the client API exported by libmpv, allowing access to mpv's powerful playback capabilities. Celluloid can be configured using the preferences dialog accessible via the "Preferences" menu item. Additional configuration options can be set from an external file using the same syntax as mpv's mpv.conf. See mpv's man page for the full list of options. The file must be specified and enabled in the preferences dialog under the "MPV Configuration" section.

    Options can also be set using the "Extra MPV Options" text box in the preferences dialog. The syntax used is the same as mpv's command line options.

    Lua Scripts

    Celluloid can use most mpv Lua scripts as-is. Some Lua scripts may define keybindings that conflict with GNOME MPV, in which case you'll need to resolve the conflict by explicitly defining new keybindings using input.conf. See mpv's manual for more details.

    Lua scripts can be installed by switching to the Lua Scripts tab in the preferences dialog and dropping script files there. A list of mpv Lua scripts can be found here.


    Celluloid defines a set of keybindings in the macro DEFAULT_KEYBINDS, which can be found in src/def.h. The syntax used is exactly the same as mpv's input.conf. These keybindings are applied on top of default keybindings provided by mpv.

    Additional keybindings can be defined in an external file using mpv's input.conf syntax. The file can be set in the preferences dialog under the "Keybindings" section.


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  • OpenToonz

    Free Mac Windows Website

    OpenToonz is an animation program that is a free software version of Toonz, the animation software used by Studio Ghibli, amongst others.


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  • Boats Animator

    Free Mac Windows Linux Website

    A free stop motion animation program created using HTML5, JavaScript and WebRTC for Windows, macOS and Linux.


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  • Storyboarder

    Free Mac Windows Linux Website

    Storyboarder makes it easy to visualize a story as fast you can draw stick figures.


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  • Autodesk FBX Review

    Free Mac Windows iPhone Windows S Website

    FBX Review is a lightweight, standalone software tool for viewing 3D assets and baked animations quickly and efficiently. A free utility, FBX Review lets users view 3D content without using a 3D authoring tool to help speed up asset sharing and review for development teams.

    Quickly and Easily Review 3D Models
    Users can import and review a variety of 3D file formats without using full commercial 3D animation software: .fbx, .zip, .abcˆ, .3ds, .obj, .dxf, .dae, .bvh, .htr, .trc, .asf, .amc, .c3d, .aoa, .mcd.


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  • Sculptris

    Free Mac Windows Website

    Sculptris is an elegant, powerful and yet easy to use 3D sculpting software, allowing the artist in you to simply focus on creating amazing 3D artwork. Gone are the technical and often tedious constraints typically associated with digital art.

    If you're new to the world of digital sculpting, Sculptris is the ideal ground on which to get started. If on the other hand you're experienced in CG you will find in Sculptris is a blazingly fast way realize your concepts.


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  • eDrawings Viewer

    Freemium Windows Website

    View, print, and review all types of eDrawings files

    Built-in Viewer
    View and print native SolidWorks®, AutoCAD®, DWG, and DXF™ files.

    Drawing Layout
    Open individual views in a drawing and arrange them as desired, regardless of how the views were arranged in the original drawing. eDrawings automatically arranges the views intelligently and enables printing and exporting of any subset of a drawing.

    Simply click on any view annotation and the corresponding view is immediately
    highlighted, making navigating a drawing as easy as browsing a web page.

    3D Pointer
    Easily identify and match geometry in multiple drawing views, allowing easier interpretation when comparing the same location within different views.

    Point-and-click Animation
    Quickly interpret and understand any SolidWorks drawing by dynamically viewing the 3D model as it automatically rotates through each drawing view.

    View Design Analyses

    Easily share design analysis results created from COSMOSWorks® or COSMOSXpress software.

    View MoldflowXpress Output

    Review output produced from MoldflowXpress — a wizard-based design validation tool included in SolidWorks software that is used for quickly and easily testing the manufacturability of plastic injection-molded parts.

    Save in STL and other file formats

    Take advantage of eDrawings files for rapid prototyping and presentation purposes by saving files in STL, TIFF, JPEG, or BMP formats.


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  • meshmixer

    Free Mac Windows Website

    meshmixer is an experimental 3D modeling tool for making 3D mashups without too much hassle.

    The goal of meshmixer is to make it easy to compose new 3D models from existing meshes.


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  • LibreCAD

    Free Mac Windows Linux BSD Website

    LibreCAD (originally QCad then CADuntu) is an open source 2D CAD application for Windows, Apple and Linux. It is based on Qt, which is a leading cross-platform application and UI development framework.

    LibreCAD can read DWG files (and others) as of the latest Nightly build. It writes DXF files, but can also export SVG, JPG, PNG, PDF and other files. It has layers, blocks, splines, polylines, ellipse tools, advanced tangent line & circle tools, transformation tools, an advanced snapping system and more. Because LibreCAD focuses on 2D geometry it is fast and lightweight, with an installer of less than 30mb.


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  • Kerkythea

    Free Mac Windows Linux Sketchup Blender Website

    Powerful, feature-rich and fast standalone raytracing renderer.

    Exporters from Blender and Google SketchUp are also available.
    Allows network rendering of images and animation

    Supported Features*
    - Bump Mapping
    - Normal Mapping
    - Clip Mapping
    - Bevel Mapping (an innovative KT feature!)
    - Edge Outlining
    - Depth of Field
    - Absorption/Fog
    - Isotropic Volume Scattering
    - Faked Caustics & Translucency for Simple Ray Tracing Modes
    - Dispersion
    - Antialiasing (Texture Filtering, Edge Antialiasing, Supersampling)
    - Selection Rendering
    - Surface, Material and Object Instancing
    - Object and Light Grouping
    - Sun/Sky Portals
    - Multithreading


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  • Rocket 3F

    Free Personal Windows Website

    Rocket 3F is polygonal modeller created for Concept Artists and Designers.
    Modeling with Rocket 3F is like drawing - very Simple and Inspiring!
    The Most important feature of Rocket 3F is Workflow!
    It is Fast Fun and Friendly!


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