Version 1.1 (beta) of the HXL standard was released on 2017-12-22. The previous release of the standard was HXL 1.0 final.
- The HXL postcard
- For everyone: Essential information about HXL hashtags on a single 4×6 in (10×15 cm) postcard, suitable for carrying out into the field. This is all that most people will need to produce HXL-tagged data.
- HXL tagging conventions
- For software developers: In-depth information about how HXL hashtags work in a spreadsheet, including more-complete coverage of edge cases and information about JSON encodings for web API use.
- HXL hashtag and attribute dictionary
- For information architects and data librarians: A detailed catalogue of the core recommended hashtags and attributes for humanitarian datasets.
- HXL core schemas
- Machine-readable dataset defining the core recommended HXL hashtags and attributes in detail, with definitions, release status, default vocabularies, and examples. This dataset is the source for the (human-friendly) HXL hashtag and attribute dictionary above.
- HXL master vocabulary list
- Machine-readable dataset defining the core vocabularies (code lists, taxonomies) associated with HXL +v_ attributes.