NG: Rework index page

Previous version is still available per `legacy.rst`.

docs/index.md

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+(index)=
+
+# CrateDB Clients and Tools
+
+
+## About CrateDB
+
+CrateDB is a distributed and scalable open-source SQL database for storing and
+analyzing massive amounts of data in near real-time, even with complex queries.
+It is PostgreSQL-compatible, and based on Lucene.
+
+Users are operating CrateDB clusters that store information in the range of
+billions of records, and terabytes of data, equally accessible without any
+retrieval penalty on data point age.
+
+
+## Connectivity
+
+This section introduces you to the canonical set of database drivers, client- 
+and developer-applications, and how to configure them to connect to CrateDB.
+(`crash`, `psql`, Java/JDBC, Python/SQLAlchemy/pandas/Dask, DataGrip, DBeaver,
+etc.).
+
+::::{grid} 1 2 2 3
+:margin: 4 4 0 0
+:gutter: 1
+
+
+:::{grid-item-card} {material-outlined}`code;2em` IDEs
+:link: ide
+:link-type: ref
+
+Learn how to connect to CrateDB using a database IDE like DataGrip
+or DBeaver.
+:::
+
+
+:::{grid-item-card} {material-outlined}`terminal;2em` CLI
+:link: cli
+:link-type: ref
+
+Learn how to connect to a CrateDB cluster using command-line
+based terminal programs.
+:::
+
+
+:::{grid-item-card} {material-outlined}`link;2em` Client libraries
+:link: connect
+:link-type: ref
+
+Learn how to configure your favorite client library to connect to a
+CrateDB cluster.
+:::
+
+
+::::
+
+
+## Integrations
+
+CrateDB integrates well with a diverse set of applications and tools concerned
+with analytics, visualization, and data wrangling (ETL, BI, etc.).
+
+::::{grid} 1 2 2 4
+:margin: 4 4 0 0
+:gutter: 1
+
+
+:::{grid-item-card} {material-outlined}`integration_instructions;2em` Overview
+:link: https://community.crate.io/t/overview-of-cratedb-integration-tutorials/1015
+:link-type: url
+
+Use CrateDB with popular applications, frameworks, and tools.
+:::
+
+
+:::{grid-item-card} {material-outlined}`analytics;2em` Analytics
+:link: analyze
+:link-type: ref
+
+Analyze information in your CrateDB cluster.
+:::
+
+
+:::{grid-item-card} {material-outlined}`transform;2em` ETL
+:link: etl
+:link-type: ref
+
+Use ETL applications and frameworks for transferring data in and out of CrateDB.
+:::
+
+
+:::{grid-item-card} {material-outlined}`bar_chart;2em` Visualization
+:link: visualize
+:link-type: ref
+
+Visualize information in your CrateDB cluster.
+:::
+
+
+::::
+
+
+
+```{seealso}
+Looking for the previous content on this page? Visit [](#index-legacy).
+```
+
+
+```{toctree}
+:hidden:
+
+cli
+ide
+connect/index
+
+etl
+visualize
+analyze
+legacy
+```

docs/index.rst → docs/legacy.rst

@@ -1,8 +1,8 @@
-.. _index:
+.. _index-legacy:
 
-=========================
-CrateDB Clients and Tools
-=========================
+==================================
+[Legacy] CrateDB Clients and Tools
+==================================
 
 CrateDB is a distributed SQL database that makes it simple to store and analyze
 massive amounts of machine data in real-time.
@@ -204,7 +204,7 @@ CrateDB integrates with many different tools. Some of these are:
 .. _create a data enrichment pipeline: https://crate.io/docs/crate/howtos/en/latest/integrations/azure-functions.html
 .. _create a Machine Learning pipeline: https://crate.io/docs/crate/howtos/en/latest/integrations/r.html
 .. _DBD::Crate: https://github.com/mamod/DBD-Crate
-.. _edit this page: https://github.com/crate/crate-clients-tools/blob/master/docs/index.rst
+.. _edit this page: https://github.com/crate/crate-clients-tools/blob/main/docs/legacy.rst
 .. _get in touch: https://crate.io/contact
 .. _GitHub: https://github.com/crate/crate-clients-tools
 .. _Grafana: https://grafana.com