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DocFetcher vs dnGrep: catalog facts
DocFetcher	dnGrep
Free The open-source application is available without a license fee.	Free The open-source application is available without a license fee.
Windows, macOS, Linux	Windows
Searches inside archives as well as documents Portable mode carries the index alongside the files	Searches both ordinary text and supported document formats
Java application with a dated interface Indexing large collections is slow and the index takes real disk space	Available for Windows only.
Downloadable app	Downloadable app
Open source	Open source
License: EPL-1.0	License: GPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.