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6 changes: 4 additions & 2 deletions fragments/filter/README.md
Original file line number Diff line number Diff line change
Expand Up @@ -213,9 +213,11 @@ Formal definitions and grammars for CQL can be found here:

These projects have or are developing CQL support:

- [GeoPython PyCQL](https://github.com/geopython/pycql/tree/master/pycql), and the
Also ECQL is the old CQL standard defined in some old OGC CSW spec, not a superset of the current CQL Text standard from OGC API Features. (Which will be implemented soon).

- [pygeofilter](https://github.com/geopython/pygeofilter) has support for the older ECQL standard (similar to CQL Text) and will soon have support for OGC API Part 3 CQL
- [GeoPython PyCQL](https://github.com/geopython/pycql/tree/master/pycql) (discontinued), and the
[Bitner fork](https://github.com/bitner/pycql) to be used in stac-fastapi
- [pygeofilter](https://github.com/geopython/pygeofilter) has support for ECQL (a superset of CQL Text) and CQL JSON
- [Franklin](https://github.com/azavea/franklin) is working on it in [this PR](https://github.com/azavea/franklin/pull/750).
- [Geotools](https://github.com/geotools/geotools) has support for [CQL text](https://github.com/geotools/geotools/tree/main/modules/library/cql/src/main/java/org/geotools/filter/text/cql2)

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