Implementations
commonmeta-rs and commonmeta-py validate against the same Commonmeta JSON Schema and run the same conformance tests, both maintained in commonmeta-schema.
commonmeta-rs (Rust)
commonmeta-rs is a Rust library and command-line tool to implement Commonmeta. Use commonmeta-rs to convert scholarly metadata in a variety of formats, listed below. Commonmeta-rs is work in progress, the first release was on June 17, 2026.
Source code: codeberg.org/front-matter/commonmeta-rs
| Format | Name | Content Type | Read | Write |
|---|---|---|---|---|
| Commonmeta | commonmeta | application/vnd.commonmeta+json | yes | yes |
| CrossRef XML | crossref_xml | application/vnd.crossref.unixref+xml | yes | yes |
| Crossref | crossref | application/vnd.crossref+json | yes | yes |
| DataCite | datacite | application/vnd.datacite.datacite+json | yes | yes |
| DataCite XML | datacite_xml | application/vnd.datacite.datacite+xml | yes | yes |
| Schema.org (in JSON-LD) | schema_org | application/vnd.schemaorg.ld+json | yes | yes |
| RDF XML | rdf_xml | application/rdf+xml | no | later |
| RDF Turtle | turtle | text/turtle | no | later |
| CSL-JSON | csl | application/vnd.citationstyles.csl+json | yes | yes |
| Formatted text citation | citation | text/x-bibliography | n/a | yes |
| Codemeta | codemeta | application/vnd.codemeta.ld+json | yes | later |
| Citation File Format (CFF) | cff | application/vnd.cff+yaml | yes | later |
| JATS | jats | application/vnd.jats+xml | later | later |
| CSV | csv | text/csv | no | later |
| BibTex | bibtex | application/x-bibtex | yes | yes |
| RIS | ris | application/x-research-info-systems | yes | yes |
| InvenioRDM | inveniordm | application/vnd.inveniordm.v1+json | yes | yes |
| OpenAlex | openalex | n/a | yes | no |
commonmeta: the Commonmeta format is the native format for the library and used internally. later: we plan to implement this format in a later release.
commonmeta-py (Python)
commonmeta-py is a Python library to implement Commonmeta. Use commonmeta-py to convert scholarly metadata in a variety of formats, listed below. Commonmeta-py is work in progress, the first release on PyPi (version 0.5.0) was on February 16, 2023.
| Format | Name | Content Type | Read | Write |
|---|---|---|---|---|
| Commonmeta | commonmeta | application/vnd.commonmeta+json | yes | yes |
| CrossRef Unixref XML | crossref_xml | application/vnd.crossref.unixref+xml | yes | yes |
| Crossref | crossref | application/vnd.crossref+json | yes | no |
| DataCite XML | datacite_xml | application/vnd.datacite.datacite+xml | planned | later |
| DataCite | datacite | application/vnd.datacite.datacite+json | yes | yes |
| Schema.org (in JSON-LD) | schema_org | application/vnd.schemaorg.ld+json | yes | yes |
| RDF XML | rdf_xml | application/rdf+xml | no | later |
| RDF Turtle | turtle | text/turtle | no | later |
| CSL-JSON | csl | application/vnd.citationstyles.csl+json | later | yes |
| Formatted text citation | citation | text/x-bibliography | no | yes |
| Codemeta | codemeta | application/vnd.codemeta.ld+json | yes | later |
| Citation File Format (CFF) | cff | application/vnd.cff+yaml | yes | later |
| JATS | jats | application/vnd.jats+xml | later | later |
| CSV | csv | text/csv | no | later |
| BibTex | bibtex | application/x-bibtex | later | yes |
| RIS | ris | application/x-research-info-systems | later | yes |
| InvenioRDM | inveniordm | application/vnd.inveniordm.v1+json | yes | later |
| JSON Feed | json_feed_item | application/feed+json | yes | later |
commonmeta: the Commonmeta format is the native format for the library and used internally.
Planned: we plan to implement this format for the 0.9 release.
Later: we plan to implement this format in a later release.
commonmeta-ruby (Ruby)
commonmeta-ruby is a rewrite (and rename) of the Briard Ruby Gem, which in turn was based on the Bolognese Gem.
| Format | Name | Content Type | Read | Write |
|---|---|---|---|---|
| Commonmeta | commonmeta | application/vnd.commonmeta+json | yes | yes |
| CrossRef Unixref XML | crossref_xml | application/vnd.crossref.unixref+xml | yes | yes |
| Crossref | crossref | application/vnd.crossref+json | yes | no |
| DataCite XML | datacite_xml | application/vnd.datacite.datacite+xml | yes | yes |
| DataCite | datacite | application/vnd.datacite.datacite+json | yes | yes |
| Schema.org (in JSON-LD) | schema_org | application/vnd.schemaorg.ld+json | yes | yes |
| RDF XML | rdf_xml | application/rdf+xml | no | yes |
| RDF Turtle | turtle | text/turtle | no | yes |
| CSL-JSON | csl | application/vnd.citationstyles.csl+json | yes | yes |
| Formatted text citation | citation | text/x-bibliography | no | yes |
| Codemeta | codemeta | application/vnd.codemeta.ld+json | yes | yes |
| Citation File Format (CFF) | cff | application/vnd.cff+yaml | yes | yes |
| JATS | jats | application/vnd.jats+xml | no | yes |
| CSV | csv | text/csv | no | yes |
| BibTex | bibtex | application/x-bibtex | yes | yes |
| RIS | ris | application/x-research-info-systems | yes | yes |
| InvenioRDM | inveniordm | application/vnd.inveniordm.v1+json | later | later |
| JSON Feed | json_feed_item | application/feed+json | yes | later |
commonmeta (Go)
commonmeta is a Go module to implement Commonmeta. Use commonmeta to convert scholarly metadata in a variety of formats, listed below. Commonmeta is work in progress, the first release was on April 19, 2024.
| Format | Name | Content Type | Read | Write |
|---|---|---|---|---|
| Commonmeta | commonmeta | application/vnd.commonmeta+json | yes | yes |
| CrossRef XML | crossrefxml | application/vnd.crossref.unixref+xml | yes | yes |
| Crossref | crossref | application/vnd.crossref+json | yes | no |
| DataCite | datacite | application/vnd.datacite.datacite+json | yes | yes |
| Schema.org (in JSON-LD) | schemaorg | application/vnd.schemaorg.ld+json | later | yes |
| RDF XML | rdf | application/rdf+xml | no | later |
| RDF Turtle | turtle | text/turtle | no | later |
| CSL-JSON | csl | application/vnd.citationstyles.csl+json | later | yes |
| Formatted text citation | citation | text/x-bibliography | n/a | later |
| Codemeta | codemeta | application/vnd.codemeta.ld+json | later | later |
| Citation File Format (CFF) | cff | application/vnd.cff+yaml | later | later |
| JATS | jats | application/vnd.jats+xml | later | later |
| CSV | csv | text/csv | no | later |
| BibTex | bibtex | application/x-bibtex | later | later |
| RIS | ris | application/x-research-info-systems | later | later |
| InvenioRDM | inveniordm | application/vnd.inveniordm.v1+json | later | later |
| JSON Feed | jsonfeed | application/feed+json | later | later |
commonmeta: the Commonmeta format is the native format for the library and used internally.
Planned: we plan to implement this format for the v1.0 public release.
Later: we plan to implement this format in a later release.