ppModeler is a 3D modeling software, available for multiple plate-forms, distributed free of charge.

ppModeler Features
Modeling
SDS modeling, with sharp edges
Symmetrical meshes
Blob modeleing, with ellipse, 3D splines, 3D meshes.
2D/3D curves: mixe of straight lines and splines, Read TTF font, Boolean operations.
Toolboxes on meshes, faces, edges and vertices, texture projection.
Use the mouse and/or the keyboard (numerical values)

Texturing
4 Texture projectors: plane, cylinder, sphere and uv.
Procedural texture generated by scripts

Animation
Morphing
Skining

Export/Import
Export to: 3DS, OBJ, Direct X, DXF, VRML, Virtual Light, SunFlow, Virtual Light Possibility to add new exporter with scripts.
Import from: 3DS, LWO, OBJ, VRML, DXF
Export to POV, RENDERMAN.

File
All scene data (meshes, animation, texture...) save in one '.3de' file
A screenshot can be associated with a scene, so a scene preview is accecible
Image File: Read from GIF, Read/Write from JPG, BMP, TGA, PCX.

Supported Platforms
Windows 95/98/NT/2000/XP
Linux
BeOS

What will come... (in no specific order)
Animation, with an animation window (key, spline...), BVH import.
Modifiers will work on vertices (not on meshes as it is now)
Better management of the history
3D manipulator
New modeling tools: extrude a face along a spline, split and connect edges, better bevel edges, cut tool, draw polygon on mesh, bridge between 2 faces...
2D procedural texture + 3D procedural into projected texture
Drawing on textured mesh
Cloth and hair toolboxes
Plant toolbox