Compare the Top On-Premises Plagiarism Checker Software as of December 2025

What is On-Premises Plagiarism Checker Software?

Plagiarism checker software enables organizations to automatically check for plagiarism. Plagiarism checkers automatically compare written content to multiple databases of writing samples, as well as the open web, in order to detect plagiarized writing. Compare and read user reviews of the best On-Premises Plagiarism Checker software currently available using the table below. This list is updated regularly.

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    Trinka AI

    Trinka AI

    Trinka AI

    Trinka AI is a privacy-focused grammar checker and writing assistant designed for academic and technical writing. Created by language and science experts, it detects and corrects various intricate writing errors such as contextual spelling mistakes and advanced grammar issues. Additionally, Trinka suggests improved vocabulary choices and offers real-time writing tips to help professionals and academics write clearly, formally, and engagingly. By adapting to different subjects, Trinka ensures that its corrections align with the specific nuances of each topic, maintaining high professional standards in writing.
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    Starting Price: $6.67/user/month
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    ProWritingAid

    ProWritingAid

    Orpheus Technology

    Companies using ProWritingAid produce higher quality content, comms, reports, bids and other documents with fewer mistakes, faster. ProWritingAid eliminates common error types, inconsistent terminology, contextual spelling errors, grammar mistakes, and poor writing style. A wide range of integration options, including API and on-premise solutions, supports all sizes of organization, including those with high-level security and privacy requirements.
    Starting Price: $79.00/year/user
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    WRITER

    WRITER

    WRITER

    WRITER is an end-to-end platform for building, activating, and supervising AI agents across the enterprise. It empowers IT and business teams to collaboratively build agents that automate work, improve decision making, and drive business outcomes. With WRITER, teams get a home for their AI-powered work, while builders get intuitive development tools, seamless integrations, and full oversight via approval workflows, logs, and role‑based controls. Powered by WRITER’s Palmyra LLMs and Knowledge Graph, the platform powers accurate, reliable AI agents that meet strict security and compliance standards, including SOC 2 Type II, GDPR, HIPAA, PCI, and the ISO trust triad. With WRITER’s team of AI experts, we turn AI pilots into company‑wide wins for global leaders like Vanguard, Salesforce, Prudential, Qualcomm, and more.
    Starting Price: $29 per user/month
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    Enago Reports

    Enago Reports

    Enago Reports

    Enago Reports represents an extensive collection of reports that harness the capabilities of advanced artificial intelligence. These reports play a crucial role in assessing and enhancing the quality, integrity, and impact of multiple categories of documents in a fast, accurate, and detailed manner. Leveraging the extensive expertise accrued by Enago over 17 years, it efficiently enhances any document to ensure it achieves its maximum potential impact. It is tightly integrated with Trinka.ai, an AI-powered complete writing assistant. Together, it creates a tech ecosystem in which one can seamlessly work with Enago Reports and Trinka to maximize productivity in writing and evaluating manuscripts. Enago is a part of the Crimson Group which has been a trusted name in author services including top-notch English editing, localization, translation, transcription, and much more since 2005. Enago has supported 2 million+ authors in 125+ countries, enhancing their research communication f
    Starting Price: $12 per month
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    CopyChecker

    CopyChecker

    CopyChecker

    CopyChecker develops free productivity and content optimization online tools. We offer a suite of powerful tools like plagiarism checkers, PDF editors, grammar checkers, small text generators, and more.
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