Open Source Alternatives to Captain
8 open source Developer Tools options similar to Captain, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
Airbyte70Data IntegrationSan Francisco, United States$181.0MAn open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
Databricks82Data AnalyticsSan Francisco, United States$36.7BA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
ScyllaDB67DatabasePalo Alto, United States$101.0MScyllaDB is a high-performance, low-latency NoSQL database for data-intensive applications, designed to scale with modern infrastructure.
Open source · Self-hostable
Firebolt65Cloud Data WarehousePalo Alto, United States$264.0MCloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.
Open source
ClearML63AutoMLTel Aviv, Israel$11.0MOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
Apache Airflow20MLOpsOpen-source platform for programmatically authoring, scheduling, and monitoring data pipelines.
Open source · Self-hostable
ClickHouse62DatabaseBerlin, Germany$350.0MAn open-source, column-oriented OLAP database management system for real-time analytics.
Open source · Self-hostable
Countly55AnalyticsLondon, United Kingdom$1.1MProduct analytics and customer engagement platform built on an open-source, self-hosted foundation.
Open source · Self-hostable