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Comparison · Analytics
Apache Baremaps vs OpenHouse
A side-by-side editorial comparison of Apache Baremaps and OpenHouse — release velocity, themes, recent moves, and the top alternatives to consider.
Apache Baremaps vs OpenHouse: at a glance
What is Apache Baremaps?
Baremaps got geoparquet and hillshading, then went quiet for eighteen months in incubation
Apache Baremaps is a pipeline for building vector map tiles from OpenStreetMap and raster sources, still carrying the incubating designation across every release in this window. The work splits between format support and the tile-serving path: geoparquet reading arrived in 0.8.1 along with vector contours and hillshades generated from raster tiles, while 0.8.2 fixed a Postgres tile store performance issue and added a materialized-views refresher. Release notes open with the same appeal for new contributors every time, which is itself a signal about the size of the community.
What is OpenHouse?
OpenHouse's Iceberg view support hits a production compatibility snag, pausing the first major scope expansion
OpenHouse is an open-source Iceberg table management service shipping at a rapid patch cadence — multiple releases per week. The visible window is a mix of infrastructure groundwork (post-commit operations framework, lock reason metadata), maintenance (Iceberg dependency bumps), and a production incident response: HTS on prod-ltx1 saturated and refused connections because a functional index required exact upper-case expression matching, which a handwritten query missed.
Apache Baremaps vs OpenHouse: editorial side-by-side
Apache Baremaps
0.0ANALYTICS
Baremaps got geoparquet and hillshading, then went quiet for eighteen months in incubation
◆ Current state
Apache Baremaps is a pipeline for building vector map tiles from OpenStreetMap and raster sources, still carrying the incubating designation across every release in this window. The work splits between format support and the tile-serving path: geoparquet reading arrived in 0.8.1 along with vector contours and hillshades generated from raster tiles, while 0.8.2 fixed a Postgres tile store performance issue and added a materialized-views refresher. Release notes open with the same appeal for new contributors every time, which is itself a signal about the size of the community.
◆ Where it's heading
Two threads are visible. One is broadening what Baremaps can read and produce — geoparquet in, terrain-derived vector layers out — which pushes it past OSM-to-tiles toward a general geospatial pipeline. The other is making the Postgres-backed tile store hold up under load, with version-dependent query generation and materialized view refreshing suggesting real deployments hit its limits. Cadence has been slowing throughout: roughly nine months between 0.7.1 and 0.7.2, eleven to 0.8.1, then two months to 0.8.2, and nothing published since February 2025.
◆ Prediction
The entries offer no roadmap statement, and eighteen months without a release makes the incubation status the open question rather than the feature set; nothing here indicates whether graduation or dormancy is the more likely next step.
OpenHouse
5.0ANALYTICS
OpenHouse's Iceberg view support hits a production compatibility snag, pausing the first major scope expansion
◆ Current state
OpenHouse is an open-source Iceberg table management service shipping at a rapid patch cadence — multiple releases per week. The visible window is a mix of infrastructure groundwork (post-commit operations framework, lock reason metadata), maintenance (Iceberg dependency bumps), and a production incident response: HTS on prod-ltx1 saturated and refused connections because a functional index required exact upper-case expression matching, which a handwritten query missed.
◆ Where it's heading
The revert in v0.5.498 tells the story: the entityType discriminator from v0.5.490 — framed in that release as 'the first PR toward supporting Iceberg views in OpenHouse' — was reverted alongside the HTS predicate fix, likely because the two changes interacted in production. View support would be OpenHouse's first material scope expansion (tables + views vs. tables only), giving it a fuller data catalog surface. The revert-and-redo pattern suggests the work is ongoing, not abandoned.
◆ Prediction
The Iceberg view support work will be re-merged once the HTS predicate and discriminator compatibility issues are resolved separately. The generic lock reason and post-commit operations framework suggest governance features for views are already being designed in parallel.
Alternatives to Apache Baremaps and OpenHouse
Other Analytics products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Apache Baremaps or OpenHouse.
Holistics
Holistics connects to warehouse-native semantic layers, shifting from semantic owner to governed exploration layer.
Tinybird
Tinybird builds out MCP tooling for LLM-driven data access while hardening its ingestion pipeline
Basedash
Basedash makes its MCP server writable — AI agents can now author dashboards on your behalf
OpenObserve
OpenObserve hits v1.0 GA with first-class AI Observability and SLOs, then stabilizes fast.
Lightdash
Lightdash ships AI-described custom chart types and a content governance overhaul in one week
See all Apache Baremaps alternatives → · See all OpenHouse alternatives →
Recent activity from Apache Baremaps and OpenHouse
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 2d agoOpenHouseOpenHouse v0.5.499: Iceberg core dependency update
- 3d agoOpenHouseOpenHouse v0.5.498: revert view discriminator and HTS predicate fix
- 3d agoOpenHouseOpenHouse v0.5.497: generic lock reason metadata and action-type declarations
- 3d agoOpenHouseOpenHouse v0.5.496: Iceberg core dependency update
- 6d agoOpenHouseOpenHouse v0.5.495: HTS predicate case fix after production saturation incident
- 8d agoOpenHouseOpenHouse v0.5.494: optimizer commit-stats extraction
- 1y agoApache BaremapsBaremaps 0.8.2 fixes Postgres tile store performance
- 1y agoApache BaremapsBaremaps 0.8.1 adds geoparquet, contours and hillshades
- 2y agoApache BaremapsBaremaps 0.7.2 is release packaging and dependency upkeep
- 3y agoApache BaremapsBaremaps ships its first release under the Apache Foundation
Frequently asked questions
What is the difference between Apache Baremaps and OpenHouse?
They serve adjacent needs but don't currently overlap on shipped themes. OpenHouse is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Apache Baremaps better than OpenHouse?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. OpenHouse is currently shipping more aggressively (velocity 5.0 vs 0.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to Apache Baremaps?
Top Apache Baremaps alternatives in Analytics are ranked by recent ship velocity. Browse the "Apache Baremaps alternatives" section above for the current picks, or visit /alternatives/baremaps for the full list with editorial commentary on each.
What are the best alternatives to OpenHouse?
Top OpenHouse alternatives in Analytics are ranked by recent ship velocity. Browse the "OpenHouse alternatives" section above for the current picks, or visit /alternatives/openhouse for the full list with editorial commentary on each.