- EPS – European Physical Society – https://www.eps.org
- NNV – Nederlandse Natuurkundige Vereniging (Netherlands Physical Society) – https://www.nnv.nl
- SFP – Société Française de la Physique (French Physical Society) – https://www.sfpnet.fr/
- News and Articles on Science and Technology – https://phys.org
- Velewe – Vereniging Leraars Wetenschappen (Flemish Association of Science Teachers) – https://velewe.be/
- KVCV – Koninklijke Vlaamse Chemische Vereniging (Royal Flemish Chemical Society) – https://kvcv.be/