silx
silx settles into maintenance a release after its PySide6 migration
Comparison · Analytics
billboard.js vs Rho
A side-by-side editorial comparison of billboard.js and Rho — release velocity, themes, recent moves, and the top alternatives to consider.
billboard.js vs Rho: 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 Rho?
Rho's release machinery finally produced a stable build — and it shipped no new product.
Rho is an R IDE that has just moved from an all-prerelease train to a stable 0.4.0, and its public feed remains almost entirely release engineering. The one substantive entry, 0.4.0-dev.39, described capability-based model routing across providers and durable project-scoped agent conversations with per-file Apply/Undo. The releases since then have been distribution work: a signed automatic updater shared across Windows, macOS and Linux, then the stable build that packages it.
billboard.js vs Rho: 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.
Rho
6.3ANALYTICS
Rho's release machinery finally produced a stable build — and it shipped no new product.
◆ Current state
Rho is an R IDE that has just moved from an all-prerelease train to a stable 0.4.0, and its public feed remains almost entirely release engineering. The one substantive entry, 0.4.0-dev.39, described capability-based model routing across providers and durable project-scoped agent conversations with per-file Apply/Undo. The releases since then have been distribution work: a signed automatic updater shared across Windows, macOS and Linux, then the stable build that packages it.
◆ Where it's heading
The project is building an agentic R IDE but publishing like a regulated release process: signed evidence, checksums bound to exact commits, and limitations named out loud rather than buried. That discipline has now paid off in the only way it could — 0.4.0 stable ships a Windows installer, a notarized macOS disk image and a Linux AppImage that can all update themselves, with failed verification preserving the running version. The feed's long-standing pattern of dev.NN builds with no final has broken; feature work and shipping work were on separate tracks, and the shipping track arrived first.
◆ Prediction
With distribution solved, the next entry that matters is the first one describing product capability again rather than packaging. The unresolved item these releases name themselves is Windows trust: the installer is still signed with a SignPath Free Trial self-signed certificate that SmartScreen may warn on.
Alternatives to billboard.js and Rho
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 Rho.
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
Usermaven
Usermaven closed the loop: data comes in from anywhere, and now it goes back out.
OpenCTI
OpenCTI spends a release unblocking queues and hardening upserts
Grafana Mimir
Mimir's feed is a weekly Helm bot, with the 3.2 candidate the only real release in months
See all billboard.js alternatives → · See all Rho alternatives →
Recent activity from billboard.js and Rho
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoRhoRho reaches a stable 0.4.0 across Windows, macOS and Linux
- 2d agoRhoSigned automatic updates land across all three platforms
- 2d agoRhoRho 0.4.0-dev.41 Native Updater Acceptance Target
- 5d agoRhoAgent conversations and provider-routed models land in Rho ⚡
- 9d agobillboard.jsPre-bundled boost worker, configurable subchart rendering
- 10d agoRhoCross-platform candidate build awaiting acceptance evidence
- 25d agoRhoWindows installer build stamp for 0.2.0-dev.12
- 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 ⚡
- 7mo agobillboard.jsSanitization function update on the 3.18 line
Frequently asked questions
What is the difference between billboard.js and Rho?
They serve adjacent needs but don't currently overlap on shipped themes. Rho is currently shipping more aggressively (velocity 6.3 vs 2.5), with 1 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 Rho?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Rho is currently shipping more aggressively (velocity 6.3 vs 2.5), with 1 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 Rho?
Top Rho alternatives in Analytics are ranked by recent ship velocity. Browse the "Rho alternatives" section above for the current picks, or visit /alternatives/yulab-smu-rho for the full list with editorial commentary on each.