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Comparison · Analytics
billboard.js vs silx
A side-by-side editorial comparison of billboard.js and silx — release velocity, themes, recent moves, and the top alternatives to consider.
billboard.js vs silx: at a glance
What is billboard.js?
A canvas renderer and tree-shakable modules turn the 4.0 line into a rewrite, not a refresh
billboard.js is deep in a 4.x prerelease cycle that reaches past feature work into how the library draws and ships. A canvas rendering mode now sits alongside the long-standing SVG path, ESM builds are tree-shakable down to grid, regions and category modules, and chart.export() and chart.flow() have been pulled out of the default bundle. The releases since then are mostly the follow-up work canvas rendering created — background positioning, touch interaction parity, candlestick label alignment.
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.
billboard.js vs silx: editorial side-by-side
billboard.js
2.5ANALYTICS
A canvas renderer and tree-shakable modules turn the 4.0 line into a rewrite, not a refresh
◆ Current state
billboard.js is deep in a 4.x prerelease cycle that reaches past feature work into how the library draws and ships. A canvas rendering mode now sits alongside the long-standing SVG path, ESM builds are tree-shakable down to grid, regions and category modules, and chart.export() and chart.flow() have been pulled out of the default bundle. The releases since then are mostly the follow-up work canvas rendering created — background positioning, touch interaction parity, candlestick label alignment.
◆ Where it's heading
The direction is bundle size and rendering throughput, aimed at the cases where SVG stops scaling. The newest prerelease adds a pre-bundled worker with a configurable workerUrl for the boost path, plus configurable subchart rendering and grid line class selectors on canvas, which suggests canvas is moving from a mode you opt into toward one that carries the same feature surface as SVG.
◆ Prediction
Expect the remaining canvas gaps to keep closing release by release until the two renderers reach parity, at which point a 4.0 final becomes possible. The entries do not indicate a target date.
silx
5.0ANALYTICS
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 billboard.js 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 billboard.js or silx.
Omni
Omni ships weekly, and almost every week the headline item is an AI feature.
Plotly
Plotly is turning its cloud into a metered compute platform with an enterprise on-ramp.
aniread
aniread stops asking you to know which tracker wrote the file
Rho
Rho's release machinery finally produced a stable build — and it shipped no new product.
Usermaven
Usermaven closed the loop: data comes in from anywhere, and now it goes back out.
See all billboard.js alternatives → · See all silx alternatives →
Recent activity from billboard.js and silx
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 5h agosilxFitWidget fix for loading a fit function from file
- 9d agosilx3.1.0: asinh axis scaling, twilight colormaps, dark-theme icons
- 9d agobillboard.jsPre-bundled boost worker, configurable subchart rendering
- 2mo agobillboard.jsnumberFormat option for the table view plugin
- 2mo agobillboard.jsCanvas background position and touch interaction parity fixes
- 2mo agobillboard.js4.0.0-next.2
- 2mo agobillboard.jsbillboard.js adds a canvas renderer and breaks the default ESM bundle ⚡
- 3mo agosilx3.0.1: silx view fails to disable HDF5 file locking
- 3mo agosilx3.0.0: PySide6 becomes the default Qt binding, Python 3.10 required ⚡
- 3mo agosilx3.0.0rc1: release candidate for the PySide6 migration
- 7mo agobillboard.jsSanitization function update on the 3.18 line
- 1y agosilx2.2.2: plot axes limits, OpenGL axes and libhdf5 1.14 fixes
Frequently asked questions
What is the difference between billboard.js 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 billboard.js 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 billboard.js?
Top billboard.js alternatives in Analytics are ranked by recent ship velocity. Browse the "billboard.js alternatives" section above for the current picks, or visit /alternatives/billboard-js 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.