Digital Extensions
Digital Extensions — Software Studio

Software grounded in
primary sources.

We build tools for legal and investigative professionals who work directly with complex source material — where ambiguity carries real cost. Precision, provenance, and control. No hidden inference.


Our Products

Legal & Investigative Professionals

Corpus Review

An evidence-first analysis workspace for legal professionals, expert witnesses, and investigators working with large document sets. Local-first. Expert-driven. AI that extends your analysis — never replaces your judgment. Transparent reasoning from assertion to source.

  • Annotate with exact provenance — page, paragraph, character offset
  • Build cross-references — link related passages across documents
  • Construct chronologies — each entry linked to its source
  • Export with provenance — every statement traces back to its origin

Coming Soon Corpus Review Workgroup — the same workspace for the whole case team, up to five seats per matter, no cloud in the loop. Learn More →

Built For
  • Medical negligence litigation
  • Complex litigation review
  • Expert witness preparation
  • Regulatory review & compliance
  • Early case assessment
  • Investigative document work

Fully functional and local-first — your documents stay on your machine, under a policy you control.

Book a Working Session

Corpus Chronology

New

Turn medical records, discovery, and exhibits into a defensible timeline — every event tied to its exact source page. The focused entry point that opens straight into full Corpus Review when a case demands more.

$249/year

Explore Corpus Chronology →

Also from the studio: Markers Helper — a privacy-first grading workspace for college educators.


Begin with the evidence.