The official Open-Asset-Importer-Library Repository. Loads 40+ 3D-file-formats into one unified and clean data structure.
Kaitai Struct: declarative language to generate binary data parsers in C++ / C# / Go / Java / JavaScript / Lua / Nim / Perl / PHP / Python / Ruby / Rust
Syncfusion Flutter widgets libraries include high quality UI widgets and file-format packages to help you create rich, high-quality applications for iOS, Android, and web from a single code base.
Kaitai Struct: library of binary file formats (.ksy)
New and extensible file format for storage of large columnar datasets.
Command-line tool for time tracking in a human-readable, plain-text file format.
BinData - Reading and Writing Binary Data in Ruby
The Citation File Format lets you provide citation metadata for software or datasets in plaintext files that are easy to read by both humans and machines.
CDAF (Cached Descriptive Asset Files) - open sidecar format for video so AI agents stop re-analyzing the same footage. Spec, CLI, agent skill, reproducible benchmark.
Open-source game technology for the browser: a hand-written WebGL2 renderer, file-format readers, and the test and build tooling around them. All of my code is MIT-licensed and free on GitHub.
ffprobe for documents β probe PDF, Microsoft Office, and Apple iWork files without opening them. Rust CLI + browser WASM SDK returning structured JSON with confidence, evidence, and measured I/O cost.
Don't reverse engineer it twice. 12,000+ open-source tools built by reverse engineering closed apps, APIs, devices, protocols, file formats, games and AI tools. Search site + agent skill, refreshed nightly.
Recover files from Synology Hyper Backup (.hbk) archives without Synology software β CLI + TUI, checksum-verified, plus a full format spec
Android app for browsing, editing and installing Galaxy Fit3 (SM-R390) watch faces β edit the face's own binary on a canvas, validate it, then send it to the watch over Bluetooth.
Open plain-text file format for AI memory. Your assistant's long-term memory as .dai files on your disk: readable by Claude, GPT, Gemini, Cursor, local models and grep (all LLM models work). MCP server + hooks for Claude Code, Claude Desktop, Cursor, Windsurf, Codex. 83% LongMemEval-S (GPT-4o), 92% (Claude Fable 5), 10x fewer tokens.