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