OpenRefine is a free, open source power tool for working with messy data and improving it

CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc.

Heritrix is the Internet Archive's open-source, extensible, web-scale, archival-quality web crawler project.

DROID (Digital Record and Object Identification)

The Bagger application packages data files according to the BagIt specification.

ePADD is a software package developed by Stanford University's Special Collections & University Archives that supports archival processes around the appraisal, ingest, processing, discovery, and de…

NARA File Analyzer and Metadata Harvester

File Information Tool Set

Classic LOCKSS System (LOCKSS 1.x)

Collection of tools for processing archival artifacts