is a digital agency and website builder specializing in Drupal-based solutions. They are also the sponsor for the first version of the Toolkit website (ETA: fourth quarter of 2023). They bring their expertise in building secure and user-friendly websites to the development of the Long Covid Toolkit. They are members of Dutch Digital Agencies and a platinum partner of Stichting Drupal Nederland. Swis.nl holds ISO27001 and NEN7510 certifications, ensuring the highest level of security and data protection in the medical domain.

Postcovid NL is a platform dedicated to post-Covid care and rehabilitation in the Netherlands. They provide comprehensive resources and support for individuals recovering from long Covid.

Stichting Long Covid is a non-profit organization focused on biomedical research long Covid.

The Long Covid Alliance is a global coalition of patient advocacy groups, researchers, and healthcare professionals united to address the challenges of long Covid.

Long Covid Support strives to improve the futures of people with Long Covid by ensuring equitable access to high quality healthcare, employment rights and welfare services.