{"data":{"slug":"datalevin-datalevin","name":"datalevin","tagline":"A simple, fast and versatile Datalog database","github_url":"https://github.com/datalevin/datalevin","owner":"datalevin","repo":"datalevin","owner_avatar_url":"https://avatars.githubusercontent.com/u/256017129?v=4","primary_language":"Clojure","stars":1470,"forks":84,"topics":["ai-native","client-server-database","document-database","embedded-database","fulltext-search","graph-database","key-value-store","vector-database"],"archived":false,"github_pushed_at":"2026-08-20T22:31:03+00:00","maintenance_label":"Very active","stars_delta_30d":24,"url":"https://www.graphcanon.com/tools/datalevin-datalevin","markdown_url":"https://www.graphcanon.com/tools/datalevin-datalevin.md","api_url":"https://www.graphcanon.com/api/graphcanon/tools/datalevin-datalevin","graph_url":"https://www.graphcanon.com/api/graphcanon/graph?tool=datalevin-datalevin","description":"A simple, fast and versatile Datalog database","homepage_url":"https://datalevin.org","license":"EPL-2.0","open_issues":30,"watchers":24,"ai_summary":"DataLevin is a Clojure-based database offering support for various data storage formats such as document, graph, key-value store and more. It emphasizes speed and versatility in handling diverse data types.","readme_excerpt":"## :truck: [Installation](doc/install.md)\n\nDatalevin is simple to add as a dependency to your project written in Java,\nPython, node.js or Clojure. There are also several other installation options.\nPlease see details in [Installation Documentation](doc/install.md)\n\n---\n\n## License\n\nCopyright © 2020-2026 [Huahai Yang](https://huahaiy.github.io/) and contributors.\n\nLicensed under Eclipse Public License (see [LICENSE](LICENSE)).","github_created_at":"2020-06-08T23:53:52+00:00","created_at":"2026-07-07T17:44:29.288576+00:00","updated_at":"2026-08-21T12:01:28.365312+00:00","categories":[{"slug":"vector-databases","name":"Vector Databases","url":"https://www.graphcanon.com/categories/vector-databases","markdown_url":"https://www.graphcanon.com/categories/vector-databases.md","api_url":"https://www.graphcanon.com/api/graphcanon/categories/vector-databases"}],"tags":[{"slug":"ai-native","name":"ai-native"},{"slug":"client-server-database","name":"client-server-database"},{"slug":"document-database","name":"document-database"},{"slug":"embedded-database","name":"embedded-database"},{"slug":"fulltext-search","name":"fulltext-search"},{"slug":"graph-database","name":"graph-database"},{"slug":"key-value-store","name":"key-value-store"},{"slug":"vector-database","name":"vector-database"}],"trust":{"provenance":{"is_fork":false,"github_id":270858421,"owner_type":"Organization","methodology":"github_public_v1","parent_repo":null,"near_duplicate_slugs":[]},"computed_at":"2026-08-21T12:01:27.596Z","maintenance":{"label":"Very active","score":96,"methodology":"github_public_v1","releases_90d":6,"days_since_push":0,"last_release_at":"2026-08-11T18:05:29Z","stars_delta_30d":24,"open_issues_delta_30d":3},"security_summary":{"status":"no_lockfile","scanner":null,"low_count":0,"high_count":0,"last_scan_at":"2026-07-11T11:25:55.841Z","medium_count":0,"scan_profile":"none","critical_count":0}},"capability_facts":{"scan":{"source":"repo_scan","observed_at":"2026-08-21T12:01:28.072Z"},"languages":{"value":["clojure"],"source":"github.language","observed_at":"2026-08-21T12:01:28.072Z"},"license_spdx":{"value":"EPL-2.0","source":"github.license","observed_at":"2026-08-21T12:01:28.072Z"}},"decision_facts":{"hosting":null,"pricing":null,"requirements":null,"constraints":null,"when_to_use":["Use DataLevin when you need a versatile Datalog database with high performance for applications built in Clojure.","Ideal if your application requires multiple data storage models such as document-based, graph-based, or key-value store support simultaneously."],"when_not_to_use":["Avoid using DataLevin if the development of your project is not centered around Clojure, given its language-specific benefits are tied to Clojure.","Not recommended for projects where a non-Datalog query system offers better integration with existing infrastructure or tools."],"source":"enrich:decision_facts","observed_at":"2026-07-11T22:51:23.866Z"},"constraint_facets":null,"decision_summary":[{"label":"Adopt for","value":"DataLevin is a Clojure-based Datalog database that emphasizes speed and versatility, supporting various data storage formats including document, graph, and key-value stores."}]}}