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Comparison · Analytics
firatheme vs simlandr
A side-by-side editorial comparison of firatheme and simlandr — release velocity, themes, recent moves, and the top alternatives to consider.
firatheme vs simlandr: at a glance
What is firatheme?
firatheme woke up after four years and started fixing what ggplot2 changed underneath it.
A ggplot2 theme built around the Fira font family. It went quiet after the 2021 releases that made it pass R CMD check cleanly on all three platforms, then returned in December 2025 with a maintenance release solving a ggplot2 deprecation warning and cleaning up text alignment, followed six weeks later by a facet argument to theme_fira() that adds borders and a custom strip background so facet labels stay legible.
What is simlandr?
Potential landscape tooling settling onto standard R generics after two rounds of renaming.
simlandr builds potential landscape plots from simulations of dynamic systems, with barrier-height calculations and batch simulation grids. Its three substantive releases are all consolidation: parameters renamed, functions renamed, defaults removed. By 0.3.0 the bespoke accessors had been replaced by ggplot2's autolayer() and base summary(), and the package carried print, summary, and plot methods for its own classes.
firatheme vs simlandr: editorial side-by-side
firatheme
0.0ANALYTICS
firatheme woke up after four years and started fixing what ggplot2 changed underneath it.
◆ Current state
A ggplot2 theme built around the Fira font family. It went quiet after the 2021 releases that made it pass R CMD check cleanly on all three platforms, then returned in December 2025 with a maintenance release solving a ggplot2 deprecation warning and cleaning up text alignment, followed six weeks later by a facet argument to theme_fira() that adds borders and a custom strip background so facet labels stay legible.
◆ Where it's heading
The pattern of the revival is compatibility first, then the gap users actually hit. Faceting is the obvious hole in any hand-built theme — strip labels are where a theme that looks right on a single panel falls apart — and it arrived immediately after the deprecation cleanup, from a new contributor who has now made every recent change. Note the 0.2.4 release notes restate 0.2.3's contents rather than describing new work.
◆ Prediction
With faceting handled, further releases most likely track ggplot2 deprecations; the entries don't support a stronger claim than that.
simlandr
0.0ANALYTICS
Potential landscape tooling settling onto standard R generics after two rounds of renaming.
◆ Current state
simlandr builds potential landscape plots from simulations of dynamic systems, with barrier-height calculations and batch simulation grids. Its three substantive releases are all consolidation: parameters renamed, functions renamed, defaults removed. By 0.3.0 the bespoke accessors had been replaced by ggplot2's autolayer() and base summary(), and the package carried print, summary, and plot methods for its own classes.
◆ Where it's heading
Every release trades a package-specific name for a conventional one - var and par became arg and ele, get_geom() became an autolayer() method, get_barrier_height() became a summary() method, hash_big.matrix became hash_big_matrix. The one methodological change, an adjusted minimal energy path algorithm, arrived inside a release otherwise full of renames. Removing default values for barrier calculation because they were often unsuitable reads as the maintainer deciding the defaults were doing harm.
◆ Prediction
The feed stops at 0.3.0 in late 2022, mid-consolidation; these entries give no indication of what followed, if anything did.
Alternatives to firatheme and simlandr
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 firatheme or simlandr.
ibis.iSDM
A raster-to-terra migration is the only readable change in a feed of merge notes.
anyflights
A nycflights13 generator whose recent work is all about the data being right.
vinereg
Conditional density and log-likelihood fill out a vine copula regression package.
stringx
A drop-in string API for base R, kept alive by upstream check failures.
healthyR.data
From a bundled hospital dataset to a live CMS API client.
See all firatheme alternatives → · See all simlandr alternatives →
Recent activity from firatheme and simlandr
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 7mo agofirathemeFaceting support with borders and custom strips
- 8mo agofirathemeText alignment cleanup and ggplot2 deprecation fix
- 3y agosimlandrAccessors replaced by autolayer and summary methods
- 3y agosimlandrroxygen2 updated for HTML5 compatibility
- 4y agosimlandrBatch simulation arguments renamed; energy path algorithm adjusted
- 4y agosimlandrManual improved and a test function added
- 5y agosimlandrPackage cleaned for CRAN compatibility
- 5y agofirathemeClean builds across all three platforms
- 5y agofirathemetheme_fira no longer returns a list
- 6y agofirathemeInitial citable release
Frequently asked questions
What is the difference between firatheme and simlandr?
They serve adjacent needs but don't currently overlap on shipped themes. firatheme and simlandr are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is firatheme better than simlandr?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. firatheme and simlandr are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Analytics products to evaluate alongside.
What are the best alternatives to firatheme?
Top firatheme alternatives in Analytics are ranked by recent ship velocity. Browse the "firatheme alternatives" section above for the current picks, or visit /alternatives/firatheme for the full list with editorial commentary on each.
What are the best alternatives to simlandr?
Top simlandr alternatives in Analytics are ranked by recent ship velocity. Browse the "simlandr alternatives" section above for the current picks, or visit /alternatives/simlandr for the full list with editorial commentary on each.