Compare the Top On-Premises eDiscovery Software as of December 2025

What is On-Premises eDiscovery Software?

eDiscovery software allows legal professionals to create, process, manage and review all the electronic documents related to a lawsuit or investigation. Compare and read user reviews of the best On-Premises eDiscovery software currently available using the table below. This list is updated regularly.

  • 1
    Digital WarRoom

    Digital WarRoom

    DWR eDiscovery

    DWR eDiscovery allows legal professionals to process, analyze, review, and produce documents that are relevant to litigation and other legal disclosure obligations. Our tools allow easy ingestion and analysis of client and opposing party documents using a comprehensive set of document review features including AI search, keyword search, keyword highlighting, metadata filtering, marking documents, privilege log management, redactions, and a range of analysis tools to help users best understand their document corpus. TRAINING IS ALWAYS INCLUDED. All of our features are DIY, meaning the user can perform standard eDiscovery tasks on their own without the need for a consultant to intervene. DWR Pro ($1995-5995) is a software solution that can be downloaded to your local server. Our cloud subscriptions are billed per-GB for hosting with no other hidden fees. The entry-level Single Matter subscription starts at $250/month with fees that range form $10/GB/month to $1/GB/month.
    Starting Price: $1995/yr, $250/Month
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    Aid4Mail

    Aid4Mail

    Fookes Software Ltd

    Aid4Mail is a fast, reliable, and highly accurate tool to collect, recover, search, and convert emails. It supports most mailbox file formats (e.g. PST, OST, OLM, mbox), IMAP accounts (e.g. Yahoo! Mail, AOL) and popular mail service providers (e.g. Microsoft 365, Exchange, Gmail). Aid4Mail can recover double-deleted messages and corrupted emails, and extract MIME data from certain types of unknown file formats through file carving. Aid4Mail provides a large array of tools to search and filter out unwanted emails during conversion. Save time by using native pre-acquisition filters to download a subset of your mail from Exchange, Office 365, Gmail and other webmail services. Use Aid4Mail’s integrated search engine to cull-down your email collection. Its search operators are very similar to Gmail and Office 365. Aid4Mail is used by Fortune 500 companies, government agencies and legal professionals around the world. It is made in Switzerland by perfectionists.
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    Starting Price: $59.95
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    MailMeter

    MailMeter

    Waterford Technologies

    MailMeter is a cloud or on-premise based email management and compliance platform where you can find every single email in your organization, conduct eDiscovery, freedom of information, and DSAR’s searches on past email activity, email messages and attachments, directly from your desktop anywhere. The email archiving solution gives you the ability to narrow the scope of your search across email using clearly defined criteria. It offers group searching, tagging, export capabilities and much more. Email data management and compliance start with visibility – Waterford Technologies gives our clients the visibility they need for effective monitoring, eDiscovery, auditing, and reporting across a variety of data regulation standards. MailMeter empowers you to easily reduce email risk, detect and respond in real-time to threats, and prove regulatory compliance.
    Starting Price: $4/user/month
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    Intradyn

    Intradyn

    Intradyn

    Capture and archive emails, social media messages, and text messages in real-time, empowering your organization to manage its digital footprint effectively. Intradyn's email archiving solutions have a proven track record of protecting organizations against potential litigation, eDiscovery requests, and Right to Know inquiries. Our text message archiving solution captures, saves, categorizes, and indexes all mobile content to facilitate quick retrieval when needed. Our archiving process retains all content in evidentiary quality, ensuring compliance with regulations and legal requirements. Experience the full scope of social media archiving across all channels with Intradyn's solution. Efficiently search one or multiple social media accounts using a single user-friendly interface. Our products are designed to cater to any industry, and with multiple deployment options available, they can be fully customized to suit your unique environment.
    Starting Price: $4 per user per month
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    MailArchiva

    MailArchiva

    Stimulus Software

    MailArchiva is a professional enterprise grade email archiving, e-discovery, forensics and compliance solution. Since 2006, MailArchiva has been deployed in some of the most demanding IT environments on the planet. The server designed to make the storage and retrieval of long-term email data as convenient as possible and is ideal for companies needing to satisfy e-Discovery records requests in a timely and accurate manner. MailArchiva offer tight integration (includfing full calendar, contact & folder synchronization) with a wide variety of mail services, including MS Exchange, Office 365 (Microsoft 365) and Google Suite. Among its many benefits, MailArchiva reduces the time needed to find info and satisfy discovery record requests, ensures that emails remain intact over the long term, reduces legal exposure, ensures employees are collaborating effectively, assists in compliance with archiving legislation (e.g. Sarbanes Oxley Act), reduces storage costs by up to 60%.
    Starting Price: $34.56 / user
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    CloudNine

    CloudNine

    CloudNine Discovery

    CloudNine is a cloud-based eDiscovery automation platform that streamlines the litigation discovery, audits, and investigations by allowing users to review, upload, and create documents in a central location. With its comprehensive suite of professional services that include discovery consulting, computer forensics, managed review, online hosting, information, governance, litigation support, and project management, CloudNine dramatically reduces the overall costs of eDiscovery processing. Law firms and corporations can save time and money by consolidating all of their data collection, processing, and review requirements by leveraging CloudNine’s self-service eDiscovery software.
    Starting Price: $35.00/month
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    Cryoserver

    Cryoserver

    Forensic and Compliance Systems

    Cryoserver is an email archiving solution delivered either on-premises or in the cloud. It stores copies of every email sent and received by an organization in a secure archive. It then turns this data into a valuable resource for everyday use. You can be safe in the knowledge that any business-critical information contained in email or IM is safe in Cryoserver, where it is instantly retrievable. Cryoserver solutions are distributed to an international audience covering more than 27+ countries. We are proud to work across all industry sectors with leading and highly respected clients. These include NHS Trusts and healthcare organizations, blue chips, household names, local & national governments, critical infrastructure providers, charities, education, financial services and law firms. We are a pioneer of email archiving.
    Starting Price: $1.00 per user per month
  • 8
    Knovos Discovery
    A Holistic eDiscovery Solution Knovos Discovery is eDiscovery made easy. Knovos’ end-to-end solution covers the entire litigation life cycle — from processing, early case assessment, review to production. Our powerful built-in analytics engine enables deep, multidimensional analysis for a 360-degree view of your data.
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    DigiScope
    Forensically sound DigiScope Exchange eDiscovery tools make it fast & easy to achieve the desired actions against Offline (EDB’s), On-Premises Exchange servers and Office 365 | Exchange Online. Open any unmounted Exchange Mailbox/Public Folder database (EDB) with DigiScope's Exchange database tools. Simply browse to the location of the unmounted Exchange Database (EDB) and the contents are presented in an Outlook-like interface. If required DigiScope's Exchange EDB recovery tool replays outstanding transaction logs to make the database consistent before opening. If the EDB is corrupt or logs are not available, Forensic Mount opens the database without having to apply logs nor execute a time-consuming database (EDB) repair. Restore/Migrate Offline Exchange Database (EDB) to any On-Premises Production Exchange Server or Office 365 | Exchange Online with DigiScope Exchange migration software.
    Starting Price: $375 one-time payment
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    Nuix Discover
    Nuix creates innovative software that empowers organizations to simply and quickly find the truth from any data in a digital world. We are a passionate and talented team, delighting our customers with software that transforms data into actionable intelligence. Nuix creates innovative software that empowers organisations to simply and quickly find the truth from any data in a digital world. Using Nuix software, customers can overcome the challenges of litigation, investigation, risk, compliance and security by asking the right questions and getting complete, timely answers. Our collaborative data analytics algorithms and visualisations reveal the key facts and their context from any data – regardless of scale, with incredible speed. We are a passionate and talented team, delighting our customers with software that transforms data into actionable intelligence.
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    Heureka Intelligence Platform
    The Heureka Intelligence Platform is designed to help organizations automate and overcome the challenges of locating and classifying unstructured data. We require minimal server infrastructure and deliver real-time data and risk analytics enterprise-wide. The Heureka Intelligence platform is easy to deploy and allows you to start getting results quickly. Windows? Mac? or Linux? Manage your unstructured data across all of your endpoints and file servers. With our cloud or on-premises solutions, Heureka is designed to grow with you regardless of your organizational size. Proactively manage endpoints, PII risk, view trends, create reports, conduct searches or take file action. Remediate files by deleting or quarantining or collect files to a central location. Heureka easily exports data to common E-Discovery review platforms or BI tools to share data intelligence.
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    Rational Review

    Rational Review

    Rational Enterprise

    Rational Review is a hosted software-as-a-service or on-premises repository for analytics and review. This full-featured software is backed by an experienced and dedicated client services team. RR is a clear choice over the various competing point solution review platforms. RR is offered at a fraction of the cost of most alternatives. Pricing is simple and predictable, with a fixed-fee schedule for unlimited users and matters, tiered based on the amount of data. Organizations using this repository in concert with Rational Governance will realize further savings, as loading and processing activities and fees are completely eliminated. RR’s massive scalability and robust processing capabilities powered by an Oracle database make it the most reliable platform available. RR’s software functionality includes the most advanced analytics, a workflow engine that dramatically improves efficiency, and self-provisioning of all site activities.
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    OpenText eDiscovery
    OpenText eDiscovery is a comprehensive, end-to-end legal solution designed to streamline the e-discovery process by integrating advanced analytics, machine learning, and generative AI. It helps legal teams quickly identify relevant documents, reduce review costs, and accelerate case strategy with efficient data collection from diverse sources. The platform provides automated detection and redaction to protect personal data and supports early case assessment for faster insights. Its technology-assisted review surfaces key documents while reducing manual effort. OpenText eDiscovery also offers flexible deployment options including on-premises, private cloud, or hybrid environments. With expert services available, organizations can optimize data collection, review, and investigations to mitigate legal risks effectively.
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    Archive360

    Archive360

    Archive360

    The world’s first platform built to migrate and manage your data with your security in your cloud. Trusted by organizations around the world to securely migrate their digital data to the cloud and responsibly manage it for today’s regulatory, legal, and business intelligence obligations. Integrated migration of your data, legacy journals, and legacy archives, fast, complete, compliant, and secure. We’ve helped more than 2000 organizations worldwide successfully migrate, classify, secure, analyze, archive, retain, dispose of, search and manage their data and information in the cloud. Choose from our library of global template policies, or develop your own custom retention, disposition and security policies. Archive360 works with some of the most highly regulated organizations worldwide, government agencies, pharmaceutical companies, healthcare organizations, financial services firms, and companies in the energy sector.
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    Veritas Alta
    Veritas Alta™ brings together a comprehensive portfolio of essential data services in a single, powerful platform. This robust offering of capabilities is purpose-built for modern workloads and engineered to achieve optimal security and performance at scale across any environment, hybrid, multi-cloud, public, private, edge, or on-premises. If you manage data in the cloud, you need Veritas Alta. Gain unmatched resiliency with automated, intelligent recovery and complete visibility. Ensure performance, availability, and cross-cloud mobility for the always-on business. Capture and visualize everything. Archive anywhere, and discover what matters most. Our flexible, cloud-native architecture combines artificial intelligence, automation, and elasticity to deliver the most cost-effective, resilient, and self-defending cloud data protection available. For ultimate cloud control, Veritas Alta provides visibility across your entire environment while reducing the attack surface.
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    DatAnswers

    DatAnswers

    Varonis

    Easily respond to data subject access requests by surfacing personal information across cloud and on-prem files with fast and powerful search. Find any file with personal data in seconds with Varonis’ purpose-built search engine. We instantly surface and collect the information you need for DSARs, right to be forgotten, or e-discovery—all with super lean infrastructure. Our DSAR form uses sophisticated logic on the backend to ensure you get high-fidelity results, so you can avoid false positives (and fines). Keep a pulse on how much data you’ve indexed and any failed documents so that you always know the scope of your searches. Sensitive data creation doesn’t stop and privacy regulations are ever-evolving. Privacy automation can help you stay ahead. Easily see where you have overexposed PII with dynamic dashboards that highlight privacy issues. Reduce the risk of breaches and fines by monitoring for unauthorized access to sensitive information and restricting access to least privilege.
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