Keep track of jobs you’ve applied to, automate resume & cover letter creation; generate PDFs from .odt templates on the fly while scraping the job post and tracking employer status.
https://github.com/angela-d/resgen/

Features:
• Custom cover letter (date, employer name)
• On the fly PDF creation from .odt/LibreOffice templates
• Track employer status; if you applied to this employer before, Resgen will warn you
• Scrape job posting and save a textual copy for reference when you're called in for an interview

Available for Linux, Mac & Windows
Completely free and open source. Built in Ruby.