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c3dr vs r2rtf

A side-by-side editorial comparison of c3dr and r2rtf — release velocity, themes, recent moves, and the top alternatives to consider.

c3dr vs r2rtf: at a glance

Featurec3drr2rtf
SectorAnalyticsAnalytics
Velocity score0.00.0
Sparks · 30d00
Top themesbiomechanics, motion-capture, ropensci, r-packageclinical-reporting, rtf, internationalization, document-conversion
Last editorial update5h ago1h ago
WebsiteVisit →Visit →

What is c3dr?

A biomechanics C3D reader graduated through rOpenSci review to CRAN, then learned to write force plates.

c3dr reads and writes C3D motion-capture files in R, wrapping the EZC3D library. It cleared rOpenSci peer review and moved into the rOpenSci organisation in April 2025, reached CRAN a month later, and shipped force-platform export in c3d_write() in August. Releases are close together and each one has a clear single purpose.

Read the full c3dr trajectory →

What is r2rtf?

The clinical-report table engine learned Chinese, then learned to leave RTF entirely

r2rtf builds the RTF tables, listings and figures that go into clinical study reports, and its recent releases have been about widening who and what it can serve rather than changing how tables are composed. The 1.2.0 release added internationalization — a SimSun font path for Chinese characters plus hyphenation control — and 1.3.0 followed with write_docx() and write_html(), turning the LibreOffice conversion the package had documented into exported functions.

Read the full r2rtf trajectory →

c3dr vs r2rtf: editorial side-by-side

C
c3dr
ANALYTICS
0.0

A biomechanics C3D reader graduated through rOpenSci review to CRAN, then learned to write force plates.

◆ Current state

c3dr reads and writes C3D motion-capture files in R, wrapping the EZC3D library. It cleared rOpenSci peer review and moved into the rOpenSci organisation in April 2025, reached CRAN a month later, and shipped force-platform export in c3d_write() in August. Releases are close together and each one has a clear single purpose.

◆ Where it's heading

The package is filling in the write side of the read/write pair. Reading was in place from the start; 0.2.0 extends c3d_write() to force-platform data on a direct user request, and the accompanying work preserves matrix structure on import and tracks upstream EZC3D changes. The review-era releases hardened validation and error messages, so the current cycle can be spent on capability rather than polish.

◆ Prediction

Expect further coverage of C3D block types in the writer and continued tracking of EZC3D releases; the changelog gives no signal of analysis features beyond file I/O.

R
r2rtf
ANALYTICS
0.0

The clinical-report table engine learned Chinese, then learned to leave RTF entirely

◆ Current state

r2rtf builds the RTF tables, listings and figures that go into clinical study reports, and its recent releases have been about widening who and what it can serve rather than changing how tables are composed. The 1.2.0 release added internationalization — a SimSun font path for Chinese characters plus hyphenation control — and 1.3.0 followed with write_docx() and write_html(), turning the LibreOffice conversion the package had documented into exported functions.

◆ Where it's heading

Two threads run through the window. One is output reach: RTF remains the composition target, but the artifacts that come out of it now include DOCX and HTML, and page numbering can be made table-relative across multi-page tables. The other is durability under a moving R and font stack — the ANSI/Unicode converter was rebuilt, the LaTeX mapping table generated from code rather than shipped as sysdata, unlist() usage fixed for R 4.5, and graphics-device leaks that produced stray Rplots.pdf closed off.

◆ Prediction

Having exported DOCX and HTML conversion, the likely next step is filling in what those formats lose relative to RTF — pagination and footnote fidelity are the obvious gaps. The i18n path currently covers Chinese only, so additional font families are the other plausible direction.

Alternatives to c3dr and r2rtf

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 c3dr or r2rtf.

See all c3dr alternatives → · See all r2rtf alternatives →

Recent activity from c3dr and r2rtf

Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.

  1. 7mo agor2rtfDOCX and HTML output become exported functions
  2. 11mo agor2rtfChinese character support arrives via an i18n font path
  3. 11mo agoc3drc3d_write() gains force platform export
  4. 1y agoc3drgcc 15 compilation fix
  5. 1y agoc3drFirst CRAN release
  6. 1y agoc3drrOpenSci review lands; repo moves to rOpenSci
  7. 1y agor2rtfText colour fixed for figures encoded into RTF
  8. 1y agor2rtfFootnote handling fixed for R 4.5.0
  9. 1y agor2rtfUnicode converter rebuilt and mapping table made inspectable
  10. 2y agor2rtfUTF-8 conversion fix and LibreOffice 7.6 support

Frequently asked questions

What is the difference between c3dr and r2rtf?

They serve adjacent needs but don't currently overlap on shipped themes. c3dr and r2rtf 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 c3dr better than r2rtf?

Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. c3dr and r2rtf 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 c3dr?

Top c3dr alternatives in Analytics are ranked by recent ship velocity. Browse the "c3dr alternatives" section above for the current picks, or visit /alternatives/c3dr for the full list with editorial commentary on each.

What are the best alternatives to r2rtf?

Top r2rtf alternatives in Analytics are ranked by recent ship velocity. Browse the "r2rtf alternatives" section above for the current picks, or visit /alternatives/r2rtf for the full list with editorial commentary on each.