• AGORA :: Access to Global Online Research in Agriculture

• Use of Permaculture Under Salinity and Drought Conditions (Jordan)

• Brick and Tile Permaculture

• Sketchup Plants, Trees, and Shrubs Archive

• 3rd World online library

• Harvesting Water

• Pip Magazine

• Permaculture UK

• Permaculture Global

• Perma Blitz

• Seed Savers

• Permaculture Day

• Masanobu Fukuoka and The One-Straw Revolution

• Permaculture Plants

• Plants for a Future

• Herbs are special

• The Mulch Pit

• Enllaç extern de recursos gratuïts (anglès)

• Ezine (anglès)

Free textbook and course materials

• "Intro to Permaculture" textbook by Andrew Millison

• Permaculture Water Design: Drought Proofing Farms

• Permaculture podcast

• Permaculture design notes (ebook)