Framework Recommendations

This page lists the recommended languages and frameworks to use with your installation of GeoBlacklight.

Metadata

• Aardvark (Required for GeoBlacklight v5+)
• GBL 1.0 (Deprecated; functions in GeoBlacklight v4 and earlier)

Ruby

• 3.4 (Recommended)
• 3.3 / Support Ends March 31, 2027
• 3.2 / Support Ends March 31, 2026

Ruby on Rails

• 8.0+ (Recommended)
• 7.2 (Required for GeoBlacklight v5+) / Support Ends August 9, 2026

Blacklight

• v8 (Required for GeoBlacklight v5)
• v9 (Unsupported, but will be required for GeoBlacklight v6)

Bootstrap

• v5 (Required for GeoBlacklight v5)

ViewComponents

• GBL v5 (Required)
• GBL v4 (Recommended)

Javascript

• GBL v5 - ES6 / Modern Javascript (Required)
• GBL v4 / jQuery + ES5 (Recommended)

Map Library

• Leaflet (Recommended)
• ogm-viewer (TBD; may be used in GeoBlacklight v6)

Apache Solr

• v9+ (Recommended)
• <8.11 versions are End Of Life (EOL)

Production RDBMS

• PostgreSQL (Recommended)
  • For potential adopters of GEOMG

Background Queue

• Not Required
• Sidekiq + Redis (Recommended)
  • For potential adopters of GEOMG
  • Potential future GBL enhancement: Background Downloads

GeoServer

• Not Required
• Used by many GeoBlacklight adopters: Harvard, Princeton, Stanford