There are 3 repositories under file-formats topic.
A pure Python cleanroom implementation of libmagic, with instrumented parsing from Kaitai struct and an interactive hex viewer
Panic Playdate reverse-engineering notes/tools - covers file formats, server API and USB commands
A pure python module for reading and writing kaldi ark files
Next-generation file format (NGFF) specifications for storing bioimaging data in the cloud.
Python library for reading, writing, and converting computational chemistry file formats and generating input files.
Modules for working with Valve's Source Engine file formats.
Silent Hill Reverse Engineering File Formats
A collection of tools for Tony Hawk's Pro Skater 2 (Neversoft Big Guns engine)
Specification and description of the MathOptFormat file format
WhoCalls can query a directory of files, find the binaries, and search for a user specified Win API import. It and works with both 32-bit (PE) and 64-bit (PE32+) file formats (.exe, .dll, .sys)
High-performance tabular data I/O powered by DuckDB with native Julia table interface support.
Specification and description of the StochOptFormat file format
Presenting the Danish National Archives' Concept Model for Development of Preservation Plans.
Read fixed-width (ASCII) tabular data with automatic format detection or wide range of specification options.
A mirror of the PRONOM file format registry in Linked Open Data format. The Format Registry is a linked (open) data file format repository. The work is the result of a four-day hack during November 2013. Its goal is to influence the rapid development of further format registries and linked open data initiatives within the digital preservation community.
010 Editor templates for Mafia: The City of Lost Heaven file formats. Also partly for Hidden & Dangerous 2 and Wings of War.
A set of tools for inspecting and converting Gothic and Gothic II game files
Identification of JSON (JSONL, YAML, and TOML) objects: JSONID
Pyscripted Demystify enabling analysis of DROID and Siegfried reports from the browser
The FreeImage library with some additional features. These include: CMake support, progress and cancelation support (partial).
USD Working Group assets