Genetic Resources
- AVRDC (The World Vegetable Center)
- CGN -- Centre for Genetic Resources, The Netherlands
- INRAE -- Tomato germplasm collection at Avignon, France
- GRIN Global -- U.S. National Plant Germplasm System
- HRI -- Horticulture Research International Genebank
- IPK -- Genebank at Gatersleben, Germany
- IPGRI -- International Plant Genetic Resources Institute and Tomato Crop Descriptor (file for download)
- Seed Savers -- Seed Savers Exchange
- TOMATOMA -- Tomato Mutants Archive
- VIR -- Vavilov Institute, Russia
- Japan NIAS genebank
- Spain INIA genebank database
- Spanish Inventory of Plant Genetic Resources
- NBRP TOMATOMA (Tomato Mutants Archive)
Botanical Sites
- Global climate data for wild tomato accessions -- Moyle Lab, Indiana University
- Botanical Garden of Radboud University, Nijmegen -- A Collection of Solanaceae
- International Potato Center (CIP) -- Lima, Peru
- Virtual Crops -- Tomato Anatomy by UC Davis Plant Biology 105
- Solanaceae Source -- A global taxonomic resource for the nightshade family
Genetics and Genomes
- Solgenomics -- Genome database for Solanceous crop
- TGC -- Tomato Genetics Cooperative (University of Florida)
- ECPGR -- Working Group on Solanaceae, European Cooperative Programme for Plant Genetic Resources
- Morgan2McClintock Translator -- (genetic to physical distance converter)
- SolCAP -- Solanaceae Coordinated Agricultural Project
- Ohio State Tomato Breeding and Genetics program
- LycoTill - Tomato Mutant Database>
- G2P-Sol Project Website
- HARNESSTOM Project Website - Improving Tomato Resilience and Fruit Quality
- HarnesstomDB - Integrated germplasm, -omics and phenotype database
Production and Gardening
- Online Tomato Vine -- An Encyclopedia of Interesting Facts on Tomatoes
- SeedQuest Vegetables -- News, events, jobs, etc. in vegetable seeds industry
- Tomato Net -- California Tomato Research Institute
- Plant Sciences Dept, UC Davis
- VRIC -- Vegetable Research and Information Center, UC Davis
Heirlooms and Other Garden Varieties
- Abundant Life
- Baker Creek Heirloom Seeds
- Burpee's Seeds
- Cooks Garden
- Fedco Seeds
- Garden City Seeds
- Good Thyme Nursery
- Grow Italian
- Heirloom Seeds
- High Mowing Seeds
- JL Hudson
- Johnny's Seeds
- Lockhart Seeds
- Marianna's Heirloom Seeds
- Nichols Garden Nursery
- Renee's Garden
- Seed Savers Exchange
- Seeds of Change
- Southern Exposure Seed Exchange
- Sow Organic
- Stokes Seeds
- Tatiana's TOMATObase - Heritage Tomatoes
- Territorial Seed Co.
- Tomato Fest
- Tomato Growers Supply
- Totally Tomatoes
- Victory Seeds
Miscellaneous tomato stuff
- You Say Tomato, I Say Wolfpeach, podcast Anney Reese and Lauren Vogelbaum
- Ode to Tomatoes, by Pablo Neruda
- Photos of wild tomatoes growing in Peru, by Yoji Nakajima
- America's Best Tomato Varieties, by Barbara Pleasant, Mother Earth News