Sign inList your app

Columnist vs Foxborne

Pricing, platforms and features, side by side.

Columnist

Data profiling skill for Claude: check and clean any CSV

Free
View Columnist
Foxborne

Incident reconstruction for drones and robots from PX4 logs and journals

From $11,999 a month
View Foxborne
vs

Side by side

ColumnistFoxborne
PricingFreePaid
Starts atFree$11,999 a month
Free planYesNo
Available asSkillWeb app
CategoryAnalyticsAnalytics
LanguagesEnglishEnglish
IntegrationsClaude Code, Claude appsPX4, MAVLink, systemd journal, IRIG 106 Chapter 10
ComplianceNone listedNone listed
Released8 Nov 202627 Sep 2026
Last updated9 Nov 202627 Sep 2026
DeveloperDude Lemon LLCDude Lemon LLC

Features

Columnist
  • Every row profiledLarge files streamed; encoding and delimiter detected.
  • Spreadsheet damageLost digits, error cells, formula risk, garbled accents.
  • Rules you agreeEvery judgement marked for you before anything changes.
  • Logged cleaningA new file and a log of every change; the original untouched.
  • What changedRows added, removed and changed between two versions.
  • Data contractsCheck every new export against the rules of a good one.
  • SQL and JSON SchemaFrom the same contract.
  • Personal dataColumns with personal data named; values never pasted.
Foxborne
  • One timelineFlight, companion, ground and range data aligned on UTC.
  • Uncertain order markedEvents inside the clock error are marked order unknown.
  • Deterministic rulesEach finding names its rule, version and threshold.
  • Write-once evidenceFiles hashed on arrival and kept write-once.
  • Case file reportsPDF reports with excerpts and file hashes.
  • Self-hostedYour cloud account, your data centre or air-gapped.