{"data":{"slug":"apache-cassandra","name":"Apache Cassandra","tagline":"Open Source NoSQL Database","homepage":"https://cassandra.apache.org","category":{"slug":"nosql-db","name":"NoSQL Databases"},"vendor":null,"score":{"composite":51.9,"confidence":0.18,"confidenceBand":"low","breakdown":{"capabilities":{"value":28.9,"weight":0.129,"present":true,"contribution":3.7},"github_stars":{"value":75.5,"weight":0.053,"present":true,"contribution":4},"integrations":{"value":0,"weight":0.061,"present":false,"contribution":0},"github_activity":{"value":63.1,"weight":0.152,"present":true,"contribution":9.6},"release_cadence":{"value":0,"weight":0.091,"present":false,"contribution":0},"security_posture":{"value":0,"weight":0.136,"present":false,"contribution":0},"package_downloads":{"value":0,"weight":0.045,"present":false,"contribution":0},"stackoverflow_activity":{"value":0,"weight":0.152,"present":false,"contribution":0}},"computedAt":"2026-08-05T13:30:40.756Z"},"uri":"https://www.vioscale.ai/software/apache-cassandra","aliases":["apache-cassandra"],"status":"active","facts":{"activity":[{"attribute":"activity.commits_last_30d","value":100,"provenance":{"source":"https://github.com/apache/cassandra/pulse","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.65,"snapshotRef":null}}],"adoption":[{"attribute":"adoption.github_stars","value":10042,"provenance":{"source":"https://github.com/apache/cassandra","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.9,"snapshotRef":null}}],"deployment":[{"attribute":"deployment.options","value":{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true},"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}}],"description":[{"attribute":"description.long","value":"Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability without compromising performance.","provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-01T09:02:24.128Z","confidence":0.6,"snapshotRef":null}}],"features":[{"attribute":"features.capabilities","value":{"hosting":"both","consistency":"tunable","replication":"leaderless","multi_region":true,"partitioning":"automatic","license_class":"permissive"},"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}}],"language":[{"attribute":"language.primary","value":"Java","provenance":{"source":"https://github.com/apache/cassandra","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.9,"snapshotRef":null}}],"license":[{"attribute":"license.spdx","value":"Apache-2.0","provenance":{"source":"https://github.com/apache/cassandra","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.95,"snapshotRef":null}}],"pricing":[{"attribute":"pricing","value":{"type":"open_source","freeTier":true,"sourceUrl":"https://cassandra.apache.org","retrievedAt":"2026-08-05T13:21:53.000Z"},"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"pricing.free_tier","value":true,"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"pricing.model","value":"open_source","provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"pricing.price_level","value":"free","provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}}]},"factList":[{"attribute":"activity.commits_last_30d","value":100,"provenance":{"source":"https://github.com/apache/cassandra/pulse","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.65,"snapshotRef":null}},{"attribute":"adoption.github_stars","value":10042,"provenance":{"source":"https://github.com/apache/cassandra","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.9,"snapshotRef":null}},{"attribute":"deployment.options","value":{"cloud":true,"hybrid":true,"on_prem":true,"self_hosted":true},"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"description.long","value":"Apache Cassandra is an open source NoSQL distributed database trusted by thousands of companies for scalability and high availability without compromising performance.","provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-01T09:02:24.128Z","confidence":0.6,"snapshotRef":null}},{"attribute":"features.capabilities","value":{"hosting":"both","consistency":"tunable","replication":"leaderless","multi_region":true,"partitioning":"automatic","license_class":"permissive"},"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"language.primary","value":"Java","provenance":{"source":"https://github.com/apache/cassandra","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.9,"snapshotRef":null}},{"attribute":"license.spdx","value":"Apache-2.0","provenance":{"source":"https://github.com/apache/cassandra","sourceType":"crawler:github","retrievedAt":"2026-08-01T08:59:01.126Z","confidence":0.95,"snapshotRef":null}},{"attribute":"pricing","value":{"type":"open_source","freeTier":true,"sourceUrl":"https://cassandra.apache.org","retrievedAt":"2026-08-05T13:21:53.000Z"},"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"pricing.free_tier","value":true,"provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"pricing.model","value":"open_source","provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}},{"attribute":"pricing.price_level","value":"free","provenance":{"source":"https://cassandra.apache.org","sourceType":"assisted:claude-haiku-4-5","retrievedAt":"2026-08-05T13:21:53.000Z","confidence":0.6,"snapshotRef":null}}],"claimed":false,"updatedAt":"2026-08-05T13:30:40.918Z","formats":{"json":"https://www.vioscale.ai/api/v1/software/apache-cassandra","markdown":"https://www.vioscale.ai/software/apache-cassandra.md","html":"https://www.vioscale.ai/software/apache-cassandra"}},"meta":{"source":"https://www.vioscale.ai","license":"CC-BY-4.0","generatedAt":"2026-08-06T23:59:55.926Z","disclaimer":"Independent, evidence-based. Every fact carries provenance."}}