Universal App version of a utility to scrutinise your keychains and help diagnose their problems.
update
LockRattler for manual checks, SilentKnight to check automatically, and silnite for networked Macs and automation.
The equivalent of cmp, only it works on extended attributes rather than file data.
The command tool member of the Dintch suite for tagging files with their SHA256 digest, to keep a watch on their integrity.
How you can write entries in the unified log which are informative, easily retrieved, and extremely simple.
Provision of maintenance procedures and tools is at the heart of software engineering, but not in macOS.
Utility to strip spurious quarantine flags from documents in folders, now runs native on Apple Silicon.
Utility to clear quarantine flags on folders of documents, now runs native on Apple Silicon.
Extensively revised for improved compatibility with Big Sur and Apple Silicon Macs, with minor fixes for other systems too.
Utility to convert text files between different code pages and formats now runs native on Intel and Apple Silicon Macs.
The Eclectic Light Company 