otx

The tool provides a Mach‑O disassembler for macOS, allowing users to examine the low‑level structure of Mach‑O binaries. It operates as a 64‑bit application built against the macOS 10.9 SDK and integrates with the newer otool version that ships with Xcode 4.2 and later. The interface includes standard Open and Save functionality, and it presents disassembled output in a readable format.

It is intended for developers, reverse engineers, and security researchers who need to inspect compiled macOS executables. The software is maintained in a stable state, with recent builds fixing menu actions, removing symbolic‑link issues, and updating the UI. Compatibility with Xcode 5+ source code ensures that it can be built and extended using current development tools.

All original source files are released into the public domain, and the project includes a public repository with build identifiers and a screenshot illustrating the user interface.