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Comparison · Infra & APIs
onemap vs polyRAD
A side-by-side editorial comparison of onemap and polyRAD — release velocity, themes, recent moves, and the top alternatives to consider.
onemap vs polyRAD: at a glance
What is onemap?
A genetic-mapping mainstay that now points new users toward MAPpoly at load time
OneMap constructs genetic linkage maps for experimental crosses, and its 3.x line turned it into a hub in a wider mapping toolchain: export functions for VIEWpoly and QTLpoly, summary and interactive ordering functions adapted from MAPpoly, and retention of reference and alternative allele information from imported VCFs. The most recent release, 3.2.0 in January 2025, adds an announcement about MAPpoly to the README and the package load message, fixes a subscript-out-of-bounds warning in rf_2pts and refreshes vignettes and tests.
What is polyRAD?
Polyploid genotype calling went quiet for three years, then returned with a bug-fix tag.
polyRAD calls genotypes from RAD sequencing data in polyploid and diploid populations using Bayesian estimation. Its capability surface has been settled since 2.0 in late 2022, which added support for ploidy that varies among individuals. The March 2026 release is a CRAN bug-fix sync after a three-and-a-half-year gap, with the substance deferred to NEWS.
onemap vs polyRAD: editorial side-by-side
onemap
0.0INFRA · APIS
A genetic-mapping mainstay that now points new users toward MAPpoly at load time
◆ Current state
OneMap constructs genetic linkage maps for experimental crosses, and its 3.x line turned it into a hub in a wider mapping toolchain: export functions for VIEWpoly and QTLpoly, summary and interactive ordering functions adapted from MAPpoly, and retention of reference and alternative allele information from imported VCFs. The most recent release, 3.2.0 in January 2025, adds an announcement about MAPpoly to the README and the package load message, fixes a subscript-out-of-bounds warning in rf_2pts and refreshes vignettes and tests.
◆ Where it's heading
Versions 3.0.0 and 3.1.0 were driven by a benchmarking preprint on genotyping-by-sequencing best practice, and their content follows directly: marker filtering from two-point estimates, memory reduction after filtering, and optimisation of find_bins and map_avoid_unlinked. What has happened since is signposting rather than capability — a package that spent two releases integrating with MAPpoly now tells users about it every time it loads. The pre-3.0 tags are backfilled, with versions 2.3 through 2.7 sharing a single August 2021 timestamp, so their order carries no information.
◆ Prediction
The load-message announcement suggests attention is flowing toward the MAPpoly side of the toolchain; expect maintenance and compatibility releases here rather than new mapping algorithms.
polyRAD
0.0INFRA · APIS
Polyploid genotype calling went quiet for three years, then returned with a bug-fix tag.
◆ Current state
polyRAD calls genotypes from RAD sequencing data in polyploid and diploid populations using Bayesian estimation. Its capability surface has been settled since 2.0 in late 2022, which added support for ploidy that varies among individuals. The March 2026 release is a CRAN bug-fix sync after a three-and-a-half-year gap, with the substance deferred to NEWS.
◆ Where it's heading
The releases between 1.0 and 2.0 followed a consistent pattern: add export paths to other tools in the polyploid genetics stack, add simulation controls, fix what CRAN checks caught. That expansion stopped at 2.0, and 2.0.1 does not resume it. The package reads as complete and maintained rather than under development.
◆ Prediction
Continued low-frequency patch releases keeping the package on CRAN as R and its dependencies move. The release notes give no sign of a 2.1 feature line.
Alternatives to onemap and polyRAD
Other Infra & APIs 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 onemap or polyRAD.
Warp
Warp turned its quarter of software-factory essays into infrastructure you can buy.
Okta
Okta's developer blog is a Cross App Access campaign, now diluted by advocacy-team storytelling.
tealeaves
A leaf-temperature model that finished its job in 2020 and has stayed finished
Infisical
A credential platform assembled two or three pull requests at a time, never a headline
SigNoz
Search without knowing the field — SigNoz keeps lowering the cost of not knowing your schema
See all onemap alternatives → · See all polyRAD alternatives →
Recent activity from onemap and polyRAD
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 4mo agopolyRADBug-fix sync with CRAN after a three-year gap
- 1y agoonemapMAPpoly announcement added to README and load message
- 3y agoonemapExports to VIEWpoly and QTLpoly; marker ordering and map summaries
- 3y agoonemapTwo-point marker filtering and memory reduction
- 3y agopolyRADMultiploidy support arrives and breaks saved RADdata objects ⚡
- 4y agopolyRADContamination and error-rate simulation controls added
- 4y agoonemapPSOCK and FORK parallelization choice; vcfR as an import
- 4y agopolyRADMapping-population simulation and DArTag import added
- 5y agoonemaphmm=FALSE option for ordering algorithms
- 5y agoonemapMDSMap dependency removed
- 5y agopolyRADGWASpoly export gains continuous genotypes; adegenet export added
- 5y agopolyRADpolyRAD v1.3
Frequently asked questions
What is the difference between onemap and polyRAD?
They serve adjacent needs but don't currently overlap on shipped themes. onemap and polyRAD 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 onemap better than polyRAD?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. onemap and polyRAD 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 Infra & APIs products to evaluate alongside.
What are the best alternatives to onemap?
Top onemap alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "onemap alternatives" section above for the current picks, or visit /alternatives/onemap for the full list with editorial commentary on each.
What are the best alternatives to polyRAD?
Top polyRAD alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "polyRAD alternatives" section above for the current picks, or visit /alternatives/polyrad for the full list with editorial commentary on each.