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dnGrep vs Agent Ransack: catalog facts
dnGrep	Agent Ransack
Free The open-source application is available without a license fee.	Freemium Agent Ransack is free. FileLocator Pro, with indexing and scripting, is paid.
Windows	Windows
Searches both ordinary text and supported document formats	No index to build, so a search on a new folder starts instantly Regular expression and boolean queries with matched lines shown inline
Available for Windows only.	Unindexed searching is slow across very large volumes Office content search, indexing and scripting are FileLocator Pro features
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
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.