# Open Source Data Projects
## Data Warehouses
- [Clickhouse](https://github.com/ClickHouse/ClickHouse)
- [Seafowl](https://github.com/splitgraph/seafowl)
- [Risingwave](https://github.com/risingwavelabs/risingwave)
- [Databend](https://github.com/datafuselabs/databend)
## Data Tracking
- [Jitsu](https://jitsu.com/)
- [Rudderstack](https://www.rudderstack.com/)
- [Snowplow Analytics](https://snowplowanalytics.com/)
## Business Intelligence
- [Posthog](https://posthog.com/)
- [Lightdash](https://www.lightdash.com/)
- [Metabase](https://www.metabase.com/)
- [Evidence](https://www.evidence.dev/)
## Visualizations
- [Raw Graphs](https://app.rawgraphs.io/)
- [Kepler](https://kepler.gl/) (maps)
- [Observable Plot](https://observablehq.com/plot/)
## Data Pipelines
- [Meltano](https://meltano.com)
- [Airbyte](https://airbyte.io/)
- [Singer](https://www.singer.io/) ([SPEC](https://github.com/singer-io/getting-started/blob/master/docs/SPEC.md))
- [CloudQuery](https://www.cloudquery.io/)
- [Vector](https://vector.dev)
- [Cloudfuse](https://github.com/cloudfuse-io)
- [Flow](https://github.com/estuary/flow). Based on [Gazzette](https://github.com/gazette/core).
## Orchestators
- [Dagster](https://www.dagster.io/)
- [Prefect](https://www.prefect.io/)
## Platforms
- [Supabase](https://supabase.io/)
## Feature Flag
- [Flagsmith](https://flagsmith.com/)
- [Unleash](https://www.getunleash.io/)
- [GrowthBook](https://www.growthbook.io/)
---
More at the [`awesome-oss-alternatives` repository](https://github.com/RunaCapital/awesome-oss-alternatives), [twitter](https://twitter.com/johnrushx/status/1706424446205022294), [`tools-for-makers` repository](https://github.com/MarsX-dev/tools-for-makers#open-source-alternatives-to-xxx), and my [Open Source Stack GitHub Curated List](https://github.com/stars/davidgasquez/lists/open-source-stack)