These books are in various languages, usually not a problem for following the diagrams as the symbols for folding are international.
List of the books (3,1GB):
300_Collected_internet_origami-diagrams.pdf
366 model origami [russian].pdf
3D Geometric Origami - Modular Polyhedra.pdf
3D Origami.djvu
3D Origami.pdf
Advanced Paper Aircraft Construction.pdf
advanced_paper_aircraft_2.pdf
advanced_paper_aircraft_construction__volume_3_.pdf
Albertino, Lionel - Safari Origami.pdf
Brill, David - Brilliant Origami.pdf
christmas origami book 2007.pdf
Complete Origami [Ebury 1987].pdf
convention loveorigami 2008.pdf
Creepy Crawly Animal Origami - Duy Nguyen.pdf
decoration__origami1.pdf
Diaz, Roman - Origami for Interpreters.pdf
Elias, Neale - Faces and Busts.pdf
Engel, Peter - Origami From Angelfish to Zen.pdf
fold_real_money.pdf
Friendship Origami.pdf
Fuse, Tomoko - Boxes and Fuses.pdf
Fuse, Tomoko - Home Decoration With Origami.pdf
Fuse, Tomoko - Multidimensional Transformations - Unit origami.pdf
Fuse, Tomoko - Spirals (chinese).pdf
Fuse, Tomoko - The Mask (NC).pdf
fuse__tomoko_-_fabulous_origami_boxes__en_.pdf
Genuine Origami 43 Mathematically-Based Models, From Simple to Complex.pdf
Halle - Cartoon Origami 1.pdf
Halle - Cartoon Origami 2.pdf
Harbin, Robert - Origami 4.pdf
Harbin, Robert - Origami Step By Step.pdf
Hsu, Gery - Origami Airplanes that fly.pdf
John_Montroll_-_1995_-_North_American_Animals_(low_quality_scan).pdf
Kamiya, Satoshi - Works ofSatoshi Kamiya.pdf
Kasahara, Kunihiko - Extreme Origami.pdf
Kasahara, Kunihiko - La Era Nueva.pdf
Kasahara, Kunihiko - Origami Made Easy.pdf
Kasahara, Kunihiko - Origami Omnibus.pdf
Kasahara, Kunihiko - Saishi Origami.pdf
Kasahara, Kunihiko & Toshie Takahama - Origami for the Connoisseur.pdf
Kawahata, Fumiaki - Insects Vol 1.pdf
Kawahata, Fumiaki - Origami Fantasy.pdf
Kawahata, Fumiaki - Wild Animals World.pdf
Kawahata-Nishikawa - Origami Insects I (chinese).pdf
Kawai, Toyoaki - Origami.pdf
Kawasaki, Toshikazu - Origami Dream World - Flowers and Animals (jap).pdf
Kenneway, Eric - Complete Origami.pdf
Kusudama Ball Origami.pdf
Lafosse, Michael - Origamido - Masterworks of Paperfolding.pdf
Lang, Robert - Origami Constructions.pdf
Lang, Robert - Origami Design Secrets Mathematical Models for an Ancient Art.pdf
Lang, Robert - Origami Diagramming Conventions.pdf
Lang, Robert - Origami In action - Paper toys that fly flap gobble and inflate.pdf
Lang, Robert - Origami Insects and Their Kin.pdf
Lang, Robert - Origami Insects Vol. 2.pdf
Lang, Robert & John Montroll - Origami Sea Life.pdf
Le panier fleuri [french].pdf
legacy (author info only).pdf
Maekawa, Jun - Viva! Origami.pdf
Mitchell, David - Origami Matematico.pdf
Modular Origami Polyhedra.pdf
Momotani, Yoshihide - Doll's House With Origami.pdf
Montroll, John - A Plethora of Polyhedra in Origami.pdf
Montroll, John - African Animals in Origami.pdf
Montroll, John - Animal Origami For Enthusiast.pdf
Montroll, John - Bugs And Birds In Origami.pdf
Montroll, John - Mythological Creatures & Chinese Zodiac.pdf
Montroll, John - Origami Sculptures.pdf
Montroll, John - Prehistoric Origami.pdf
Montroll, John - Teach Yourself Origami.pdf
Origamania by Albertino Lionel.pdf
Origami Boxes - How to Make Beautiful Boxes.pdf
Origami Dream World - Flowers and Animals (japanese).pdf
Origami fishes.pdf
Origami for Kids.pdf
Origami Fun!.pdf
Origami Holidays.pdf
origami magazine - 2004 3 (japanese).pdf
Origami Tesselations - Awe-inspiring Geometric Designs.pdf
Origami Usa - Annual Collection 1993 - 1998.pdf
origami_usa_convencion_2005.pdf
origami_complete_course_-_paul_jackson.djvu
Origami_Jay Ansill - Mythological Beings.pdf
Origami_Volanti_[paper_planes_spanish].pdf
Ornamental Origami - Exploring 3D Geometric Designs - Meenakshi Mukerji.pdf
Papiro Insectos [spanish].pdf
Polyhedron Origami For Beginners - Miyuki Kawamura.pdf
Project Origami - Activities for exploring mathematics.pdf
Santamaria, Carlos - Origami Vip.pdf
Shafer, Jeremy - Origami to Astonish and Amuse.pdf
Shumakov Katrin and Yuri - Oribana Delight - Paper flowers and vases.pdf
Takahama, Toshie - Origami Christmas.pdf
Terry, Nicolas - Passion Origami.pdf
The Origami Bible by Ashley Wood.pdf
The Practical Illustrated Encyclopedia of Origami The Complete Guide to the Art of Paperfolding.pdf
Wild Origami - Amazing Animals You Can Make - PD Tuyen.pdf
Yoshizawa, Akira - Creative Origami.pdf
Yoshizawa, Akira - Origami Living Nature.pdf
Yoshizawa, Akira - Origami Museum Animals.pdf

Books where pages are scanned as jpg, had to zip these and the diagrams, otherwise the .torrent file became 250kb and bitme didn't fancy it, it seemed:

500_Origami_Phantasievolle_Ideen_[german]-(JPG).zip
Hana no Origami Zenshou-(JPG).zip
Kawasaki Toshikazu - Origami Waarudo Hana to Doubutsu Hen (japanese)-(JPG).zip
kusudama (russian)-(JPG).zip
Momotani - Origami Alpine Flowers (jap and english)-(JPG).zip
Momotani Origami flowers (japanese)-(JPG).zip
Papiroflexia creativa (spanish)-(JPG).zip
Seibido Shuppan Sha - Jitsuyou Origami (japanese)-(JPG).zip
Sembadzuru-(JPG).zip
Viva Origami by Maekawa-(JPG).zip
Works of Satoshi Kamiya-(JPG).zip

Tanteidan Books vol 1-17, (677MB) example front covers:

Tanteidan magazine issue 37-129 (I cant find issue 1-36... sadly), (831MB) front cover examples:

There are also about 90MB of single diagrams included.