Research funding

Arthritis Research UK

Arthritis Research UK is the charity leading the fight against arthritis, funding high class research and providing information on and campaigns against arthritis.
http://www.arthritisresearchuk.org

Research Professional

Research Professional is a comprehensive funding opportunities database. The database features an easy-to-use interface and powerful searching and customisation tools that are designed to assist you in your search for (research) funding.
https://www.researchprofessional.com/

American College of Rheumatology Research and Education Foundation (REF)

The largest private funding source of rheumatology research and training in the United States of America, the REF offers an extensive awards program with research and education opportunities for clinicians, students, health professionals, researchers and academic institutions. These awards are an integral part of REF efforts to ensure the future of rheumatology.
http://www.rheumatology.org/ref/awards/funding_index.asp

FOREUM (FOndation for REsearch in RheUMatology) 

FOREUM is an independent fundraising institution for research funding based in Switzerland. FOREUM only considers research applications received in the wake of a specific FOREUM call for research proposals. In principle, FOREUM strives to issue two calls per year.
http://www.foreum.org/apply_now.cfm