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Comparison · Infra & APIs
CHNOSZ vs eatGADS
A side-by-side editorial comparison of CHNOSZ and eatGADS — release velocity, themes, recent moves, and the top alternatives to consider.
Shared themes:r-package
CHNOSZ vs eatGADS: at a glance
What is CHNOSZ?
A geochemistry thermodynamics engine that changed its units and its database schema in one release.
CHNOSZ computes thermodynamic properties and phase diagrams for geochemical systems, backed by OBIGT, its bundled thermodynamic database. It releases roughly once a year with a short highlights note pointing at a full changelog elsewhere. Since the 2.0.0 reset, work has been curation and communication: new species in OBIGT, a FAQ vignette, a rewritten introduction, and more readable diagram labels.
What is eatGADS?
Labelled survey data, one edge case at a time — and the edge cases are all about missing values.
eatGADS manages labelled survey and assessment data in R, the SPSS-descended world of value labels, missing tags, and metadata that has to survive every transformation. Releases are roughly annual and dense. The current one, 1.2.0, is about doing things in bulk: changing value labels, missing tags, and recodings across many variables at once rather than one at a time.
CHNOSZ vs eatGADS: editorial side-by-side
CHNOSZ
0.0INFRA · APIS
A geochemistry thermodynamics engine that changed its units and its database schema in one release.
◆ Current state
CHNOSZ computes thermodynamic properties and phase diagrams for geochemical systems, backed by OBIGT, its bundled thermodynamic database. It releases roughly once a year with a short highlights note pointing at a full changelog elsewhere. Since the 2.0.0 reset, work has been curation and communication: new species in OBIGT, a FAQ vignette, a rewritten introduction, and more readable diagram labels.
◆ Where it's heading
2.0.0 was the structural break — Joules replacing calories as the default output of subcrt(), a required E_units column, a new model column, and the removal of a legacy scaling convention for heat-capacity coefficients. Everything since has built on that settled foundation rather than disturbing it. The direction of the last two releases is toward coverage of specific mineral systems, rare earths and uranyl among them, and toward making the package approachable, which suggests a maintainer courting new users rather than reworking the engine.
◆ Prediction
The next release most likely continues OBIGT curation for particular element systems plus vignette work; the highlights format gives no signal of engine-level changes pending.
eatGADS
0.0INFRA · APIS
Labelled survey data, one edge case at a time — and the edge cases are all about missing values.
◆ Current state
eatGADS manages labelled survey and assessment data in R, the SPSS-descended world of value labels, missing tags, and metadata that has to survive every transformation. Releases are roughly annual and dense. The current one, 1.2.0, is about doing things in bulk: changing value labels, missing tags, and recodings across many variables at once rather than one at a time.
◆ Where it's heading
The feature line and the bug line point at the same thing from opposite directions. Features keep widening the aperture — multiple variables, multiple ID variables, comparisons within a single object — while fixes keep landing on the collision between value labels and missing codes, where a value can be labelled NA, duplicated, or tagged and transformed away. extractData() and extractData2() alone absorbed eight separate correctness fixes across the last two releases. The package is hardening the one place labelled data is most likely to lose information.
◆ Prediction
Expect the bulk-operation pattern to spread to the remaining single-variable functions, and continued fixes wherever value labels and missing tags interact; the extraction path is clearly still the weak point.
Alternatives to CHNOSZ and eatGADS
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 CHNOSZ or eatGADS.
NGINX
nginx returns to feature work with PROXY v2 upstream writes, and quietly adds JSON to core.
ESPHome
ESPHome closes the 2026.8 cycle, but the release body is a bare link to the real notes.
vcfR
A genomics workhorse whose visible release feed stops dead in mid-2020.
dialr
The R phone-number package stopped only parsing numbers and started asking them where they are.
ggVennDiagram
A Venn diagram package whose public release notes say almost nothing — including about its copyright cleanup.
See all CHNOSZ alternatives → · See all eatGADS alternatives →
Recent activity from CHNOSZ and eatGADS
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1y agoCHNOSZOBIGT gains rare earth and uranyl species; intro vignette rewritten
- 1y agoeatGADSValue labels, missings, and recodes go multi-variable
- 1y agoeatGADSTibble import and within-object difference inspection
- 2y agoCHNOSZMosaic diagrams accept grouped basis species as variables
- 3y agoeatGADSVariable clone, create, insert, and auto-recode round out the toolkit
- 3y agoCHNOSZJoules become the default and the OBIGT schema is rebuilt ⚡
Frequently asked questions
What is the difference between CHNOSZ and eatGADS?
Both compete on the same themes — r-package — within Infra & APIs. CHNOSZ and eatGADS 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 CHNOSZ better than eatGADS?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. CHNOSZ and eatGADS 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 CHNOSZ?
Top CHNOSZ alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "CHNOSZ alternatives" section above for the current picks, or visit /alternatives/chnosz for the full list with editorial commentary on each.
What are the best alternatives to eatGADS?
Top eatGADS alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "eatGADS alternatives" section above for the current picks, or visit /alternatives/eatgads for the full list with editorial commentary on each.