SIGNUM Cía. Ltda.

• SIGNUM's Tesauro
  screenshot | size: 10.59 MB | price: $29.99 | date: 1/12/2004
  Spanish thesaurus with 500,000 words.
• SIGNUM's Conjugador
  screenshot | size: 3.63 MB | price: $9.99 | date: 1/12/2004
  Spanish conjugator with 13,000 verbs.
• SIGNUM's Revisor
  screenshot | size: 13.68 MB | price: $39.99 | date: 1/12/2004
  Spanish composition tools for educational and professional use, consisting of a 5 million word spell checker, a 500,000 word thesaurus, a verb conjugator, and a hyphenator.
• SIGNUM's Verificador
  screenshot | size: 5.02 MB | price: $19.99 | date: 1/12/2004
  Spanish speller with 5 million words.