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Digital Extensions is a software studio that emphasizes “primary-source-based” workflows for legal, investigative, education, and developer use cases in an AI-first environment. Its core product, Corpus Review, is an evidence-first document analysis workspace for legal professionals, expert witnesses, and investigators. It positions itself as local-first, deterministic, non-AI, and free of automated judgment.
Corpus Review is not focused on automatic summarization. Instead, it helps users build auditable evidence chains: annotations can be tied precisely to pages, paragraphs, and character offsets; related passages can be linked across documents; timelines can be built where every entry is connected to a source; and exported content preserves citations. For medical malpractice litigation, complex litigation review, regulatory compliance, and early case assessment, this “every claim can be traced back to the original text” design is a strong fit.
The developer-oriented Corpus Dev Kit is still in Early Access. Based on the current description, it extends Corpus Review into the development workflow, helps build a canonical corpus, and uses structured Directives to coordinate AI agents so they respond based on authoritative documents. This direction is well suited to AI coding or knowledge-base workflows that require controlled context and documentary grounding. However, the website does not disclose supported languages, IDE integrations, API/SDK formats, sample code, or deployment options, leaving developers with limited information to evaluate.
Corpus Review offers a fully featured 14-day free trial with no account required, making it very low-friction to try. Formal pricing, payment methods, enterprise licensing, and refund policies were not present in the captured text. Its local-first, cloud-independent model is favorable for privacy and compliance, while also reducing account setup and cloud configuration overhead.
Its strengths are a focused product position, precise source tracing, preservation of original files, and keeping data on the local machine—well suited to professionals with heavy evidentiary responsibilities. The downside is that public information remains incomplete: system requirements, file formats, collaboration, version management, support channels, and legal policies are all unclear, and the About page still feels like placeholder content. It is best suited for individual lawyers, investigators, expert witnesses, and developers interested in verifiable AI context who want to try it early.
No information is provided regarding access from mainland China, payment options, or localization, so practical availability is unknown. If access or procurement is limited, users can evaluate alternatives such as Relativity, Logikcull, and Everlaw depending on the scenario. For developer-oriented AI document workflows, Sourcegraph Cody, Cursor, Continue, and similar tools may be worth comparing.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on digital-extensions.com official site.
digital-extensions.com is an Unknown AI Apps provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Workable. Click "Visit Official Site" to reach digital-extensions.com directly.