Parse Photoshop files in Ruby with ease

Kaitai Struct: declarative language to generate binary data parsers in C++ / C# / Go / Java / JavaScript / Lua / Perl / PHP / Python / Ruby

Kaitai Struct: library of binary file formats (.ksy)

🌍 C++11 ply 3d mesh format importer & exporter

A simple C++ library for reading and writing audio files.

ROOT I/O in pure Python and NumPy.

File format determination library for Python

MATLAB MAT File I/O Library

C++ Bitmap Library

Graphical Fragment Assembly (GFA) Format Specification

Altium schematic format documentation, SVG converter and TK viewer

A cool place to store your Hi-C

Tool for viewing and extracting files from an UBIFS image

Matroska specification.

JSON Schemas for the Sketch file format

Interchange format for results for static analysis tools

Neuroscience information exchange format

C++ File API for the reMarkable tablet

My fuzzing corpus

The image4j library allows you to read and write certain image formats in 100% pure Java.

Open Source Cross-Platform C++ library to read CZI image files

FoLiA: Format for Linguistic Annotation - FoLiA is a rich XML-based annotation format for the representation of language resources (including corpora) with linguistic annotations. A wide variety of linguistic annotations are supported, making FoLiA a useful format for NLP tasks and data interchange. Note that the actual Python library for processing FoLiA is implemented as part of PyNLPl, this contains higher-level tools that use the library as well as the full documentation, validation schemas, and set definitions

C++ library for MP4 file parsing.

lightweight TIFF reader/writer library (C/C++)

Age of Empires: The Conquerors - Savegame File Format

PLINK reader for Python.

Library for reading & writing the E57 file format (fork of E57RefImpl)

A simple and easy-to-use file-format to package resources

Python 3 library with good support for both reading and writing VCF

A C module for manipulating bitmap graphics