Software
Corpus creation
- BootCaT — build corpora using the web (free)
- KWiCFinder — Key Word in Context Concordances directly from the Web (registration is required but the program is completely free)
Text editors
- Notepad++ — a powerful text editor (free)
- SciTE — another fine text editor (free)
Concordances, collocations & corpus analysis
- AntConc — concordance program for Windows, Macintosh OS X and Linux (free)
- TextSTAT — a simple tool for the analysis of texts (free)
- ParaConc — bilingual or multilingual concordancer (non-free, demo version available)
- Wordsmith Tools — lexical analysis software (non-free)
PDF conversion
- A-PDF Text Extractor — offline batch PDF->Text conversion (free)
- PDF2text — online PDF->Text conversion (free)
- PDF Creator — create PDF files from any application (free)
- OpenOffice — office productivity suite (i.e. alternative to Microsoft Office) capable of producing PDF (free)
HTML conversion
Character Encoding Tools