Members of Text+ actively participate in various committees and organisations that are involved in the further development of recognised standards.

- DIN – Deutsches Institut für Normung
- DINI – Deutsche Initiative für Netzwerkinformation e.V. (Letter of Support, PDF)
- IIIF – International Image Interoperability Framework
- ISO – International Organization for Standardization
- RDA – Research Data Alliance (Letter of Support, PDF)
- TEI – Text Encoding Initiative
- W3C – World Wide Web Consortium