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OpenSearch Dashboards vs silx

A side-by-side editorial comparison of OpenSearch Dashboards and silx — release velocity, themes, recent moves, and the top alternatives to consider.

OpenSearch Dashboards vs silx: at a glance

FeatureOpenSearch Dashboardssilx
SectorAnalyticsAnalytics
Velocity score2.55.0
Sparks · 30d00
Top themessearch-analytics, maintenance-releases, security-patches, visualizationscientific-computing, data-visualization, synchrotron, qt
Last editorial update13d ago3h ago
WebsiteVisit →Visit →

What is OpenSearch Dashboards?

Four commits in thirteen months: this feed samples OpenSearch Dashboards, it doesn't cover it.

The feed carries release-branch commits rather than release notes, so the visible record is four entries spanning July 2025 to July 2026. The most recent is a bot cherry-pick adding the 3.8.0 release-notes file, with no notes in the body. Behind it, the 2.19 maintenance line shows Vega CVE patching and a vega-lite revert — visualization dependency churn is the only substantive thread captured here.

Read the full OpenSearch Dashboards trajectory →

What is silx?

silx settles into maintenance a release after its PySide6 migration

silx is in the quiet phase after a generational release. 3.1.1 is a single fix to FitWidget loading a fit function from file. The release before it, 3.1.0, was the first real feature work since the migration - asinh axis scaling, twilight colormaps, and dark-theme icons - and 3.0.1 was similarly small. The 3.0.0 cut that reset the Qt binding and Python floor still defines what the line is doing.

Read the full silx trajectory →

OpenSearch Dashboards vs silx: editorial side-by-side

O2.5

Four commits in thirteen months: this feed samples OpenSearch Dashboards, it doesn't cover it.

◆ Current state

The feed carries release-branch commits rather than release notes, so the visible record is four entries spanning July 2025 to July 2026. The most recent is a bot cherry-pick adding the 3.8.0 release-notes file, with no notes in the body. Behind it, the 2.19 maintenance line shows Vega CVE patching and a vega-lite revert — visualization dependency churn is the only substantive thread captured here.

◆ Where it's heading

What is visible is a project holding a long-lived 2.19 line together on security patches while the 3.x line moves ahead, but the sampling is too thin to read direction from with confidence. The one consistent signal is the Vega and vega-lite dependency, which has needed both a CVE patch and a version revert inside the window.

◆ Prediction

The entries do not support a confident prediction: at four commits in thirteen months this feed undersamples the project badly, and what 3.8.0 actually contains is not visible from here.

S
silx
ANALYTICS
5.0

silx settles into maintenance a release after its PySide6 migration

◆ Current state

silx is in the quiet phase after a generational release. 3.1.1 is a single fix to FitWidget loading a fit function from file. The release before it, 3.1.0, was the first real feature work since the migration - asinh axis scaling, twilight colormaps, and dark-theme icons - and 3.0.1 was similarly small. The 3.0.0 cut that reset the Qt binding and Python floor still defines what the line is doing.

◆ Where it's heading

The cadence has slowed markedly since April, and the content has shifted from structural change to plotting and colormap refinement. That is the expected shape after a binding migration: downstream beamline code needs a stable target, so the project trades feature velocity for a quiet surface. The gap between 3.0.1 in May and 3.1.0 in August is the clearest signal of the deliberate slowdown.

◆ Prediction

Expect further point releases servicing the plotting and fitting widgets rather than another structural change, with feature work continuing to arrive in the 3.1.x minors rather than patches.

Alternatives to OpenSearch Dashboards and silx

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 OpenSearch Dashboards or silx.

See all OpenSearch Dashboards alternatives → · See all silx alternatives →

Recent activity from OpenSearch Dashboards and silx

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 6h agosilxFitWidget fix for loading a fit function from file
  2. 9d agosilx3.1.0: asinh axis scaling, twilight colormaps, dark-theme icons
  3. 20d agoOpenSearch DashboardsOpenSearch Dashboards 3.8.0 released
  4. 3mo agosilx3.0.1: silx view fails to disable HDF5 file locking
  5. 3mo agosilx3.0.0: PySide6 becomes the default Qt binding, Python 3.10 required
  6. 3mo agosilx3.0.0rc1: release candidate for the PySide6 migration
  7. 5mo agoOpenSearch Dashboards2.19.5 patches Vega dependency CVEs
  8. 9mo agoOpenSearch Dashboards2.19.4 reverts vega-lite to 4.16.8
  9. 1y agoOpenSearch Dashboards2.19.3 release notes added
  10. 1y agosilx2.2.2: plot axes limits, OpenGL axes and libhdf5 1.14 fixes

Frequently asked questions

What is the difference between OpenSearch Dashboards and silx?

They serve adjacent needs but don't currently overlap on shipped themes. silx is currently shipping more aggressively (velocity 5.0 vs 2.5), 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 OpenSearch Dashboards better than silx?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. silx is currently shipping more aggressively (velocity 5.0 vs 2.5), 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 OpenSearch Dashboards?

Top OpenSearch Dashboards alternatives in Analytics are ranked by recent ship velocity. Browse the "OpenSearch Dashboards alternatives" section above for the current picks, or visit /alternatives/opensearch-dashboards for the full list with editorial commentary on each.

What are the best alternatives to silx?

Top silx alternatives in Analytics are ranked by recent ship velocity. Browse the "silx alternatives" section above for the current picks, or visit /alternatives/silx for the full list with editorial commentary on each.