Number Type Converter, online in-browser three.js based 3D model viewers: 3DM, 3DS, 3MF, AMF, ASSIMP, BIM, BREP, DAE, DST, FBX, GCODE, GLTF, IFC, IGES, JSON, LDRAW, MMD, OBJ, PCD, PDB, PLY, PRWM, SPLAT, STEP, STL, USDZ, VRML, VTK, XYZ and Texture Viewer for PCX, PNG, JPG, BMP, GIF, TIFF, TGA, SVG, WEBP, DDS, KTX(2), EXR, HDR, BASIS, Lottie JSON

Loaders for big data visualization. Website:

Denotational Differentiation Solver

DEPRECATED: use cxxheaderparser instead

An OpenGL ES 1.1 framework for rendering Vertex Colors.

3D CAD viewer and converter based on Qt + OpenCascade

点群データをボクセル化し、glTFで出力する。3D Tiles対応。

X3D Converter, Beautifier and Minimizer

Interpreter for ALGO pseudo-language

3d viewer for ply, stl, obj, vox, off, trc, gltf, glb

Swift wrapper for the miniply C++ library

Immutable mesh processing library

一个关于 3d gaussian splatting 的命令行小工具盒

Building a lexical analyzer in Python using Python Lex-Yacc

A small python script utility that processes a Gaussian Splat .PLY file and rewrites its FDC color properties to RGB properties in a new .PLY file.

Adds contents stream parsing and font/image handling to pdfrw to make it a full-fledged PDF processing module

Promela parser using PLY (Python lex-yacc)

Bare essentials for building abstract syntax trees, and skeleton classes for PLY lexers and parsers.

Evaluation of file formats in the context of geo-referenced 3D geometries.

C-Like compiler for a niche architecture.