Authorities
- Belgium - The Council of Nobility, Flemish Heraldic Council and Council of Heraldry and Vexillology of the French Community
- Canada - Canadian Heraldic Authority and see also Public Register of Arms, Flags and Badges
- England, Wales, and Northern Ireland - The College of Arms
- Ireland - The Office of the Chief Herald of Ireland
- Netherlands - High Council of Nobility
- Portugal - Instituto da Nobreza Portuguesa
- Scotland - The Court of the Lord Lyon
- South Africa - South African Bureau of Heraldry
- Sweden - National Board of Heraldry, The National Archive
- United States Army - The United States Army Institute of Heraldry
Societies
- Greek Heraldry Society
- The Academy of Heraldic Science Czech republic
- The American College of Heraldry
- The American Heraldry Society
- The Augustan Society
- The Australian Heraldry Society Inc.
- Bulgarian Heraldry and Vexillology Society
- The Center for Research of Orthodox Monarchism
- Cambridge University Heraldic and Genealogical Society
- Chiltern Heraldry Group
- The College of Dracology
- Croatian Heraldic and Vexillologic Association
- The Finnish Heraldic Society
- Fryske Rie foar Heraldyk
- Hellenic Armigers Society
- Guild of Heraldic Artists
- Genealogical Society of Ireland
- Heraldry Research Institute (Japan)
- The Heraldry Society
- The Heraldry Society of Africa
- The Heraldry Society of New Zealand Inc.
- The Heraldry Society of Scotland
- The Heraldry Society of Southern Africa
- The Institute of Heraldic and Genealogical Studies
- The International Association of Amateur Heralds
- Italian Center of Vexillological Studies
- Lancashire Heraldry Group
- Macedonian Heraldry Society
- New England Historic Genealogical Society Committee on Heraldry
- Norwegian Heraldry Society
- Oxford University Heraldry Society
- Polish Heraldry Society
- Polish Nobility Confederation
- Real Academia Matritense de Heráldica y Genealogía - Royal Academy of Heraldry and Genealogy of Madrid
- Romanian Institute for Genealogy and Heraldry
- The Royal Heraldry Society of Canada
- The Russian College of HeraldryThe Russian College of Heraldry
- Serbian Heraldic Society
- Societas Heraldica Scandinavica
- Societas Heraldica Slovenica
- Swedish Heraldic Society
- Ukrainian Heraldry Society
- Royal Association Genealogical and Heraldic Office of Belgium
Vexillology
Software
- Coat of Arms Visual Designer web-based program
- Puncher Heraldry Program
- Blazonry Server - pyBlazon
- DrawShield - creates SVG shield or arms image from blazon
- CoaMaker - web-based tool
- Blazon95 and BLAZONS! 2000, older Windows applications
Texts
- Heraldry, historical and popular : with seven hundred illustrations (1863)
- A Complete Guide to Heraldry (1909)