Best On-Premises IT Documentation Software of 2025

Device42 is a robust and comprehensive data center and network management software designed by IT engineers to help them discover, document and manage Data Centers and overall IT. Device42 provides actionable insight into enterprise infrastructures. It clearly identifies hardware, software, services, and network interdependencies. It also features powerful visualizations and an easy-to-use user interface, webhooks and APIs. Device42 can help you plan for network changes and reduce MTTR in case of an unexpected outage. It provides everything you need for maintenance, audits and warranty, license certificate, warranty and lifecycle management, passwords/secrets and inventory, asset tracking and budgeting, building rooms and rack layouts... Device42 can integrate with your favorite IT management tools. This includes integration with SIEM, CM and ITSM; data mapping; and many more! As part of the Freshworks family, we are committed to, and you should expect us to provide even better solutions and continued support for our global customers and partners, just as we always have.

JDisc Discovery is a powerful IT asset management and network discovery tool, designed to provide organizations with clear, real-time insights into their entire IT environment. By automatically scanning the network, it identifies and catalogs devices, from physical servers and workstations to virtual machines and network appliances, giving users a detailed inventory of their assets. The tool captures essential data such as hardware specifications, installed software, system configurations, and interdependencies among devices. A key advantage of JDisc Discovery is its agentless architecture. Rather than requiring installation on each device, it uses multiple protocols (like SNMP, SSH, WMI) to gather information, ensuring quick deployment and compatibility across various operating systems, including Windows, Linux, and Unix. This makes it ideal for diverse and dynamic IT ecosystems, enabling efficient and non-intrusive data collection.

Faddom's software for application dependency mapping uses network traffic protocols in order to automatically map all cloud and on-prem platforms. Get a 24/7, real-time holistic view of all hybrid servers, applications and dependencies. Lightweight. No agents. No credentials. No firewalls. Pricing starts at $1 per node per month. Free for 30 days. Trial is free with no credit card.

Hudu stores, organizes, and encrypts client passwords along with the rest of your documentation. Hudu allows you connect articles and assets with strong relationships and a state of the art relationship mapper. To manage and track the progress of checklist workflows, you can set up process templates and processes. IT can be complicated, so Hudu was designed from the ground up to allow for complete customization. All files and passwords are encrypted with AES256-bit encryption on servers you control. Administrators have the option of enforcing multi-factor authentication. Users can also enable multifactor authentication. You can limit the hours employees can log into your computer to view and edit data. You can share passwords with clients easily and securely through a branded portal.

BookStack is an intuitive, self-hosted platform designed for the efficient organization and storage of information. It is completely free and operates under the MIT license, with its source code accessible on GitHub. Users can download and set up their own instance of BookStack at no cost. The emphasis on simplicity is evident in its design and functionality. With a fully searchable content feature, users can easily locate information at the book level or search across all books, chapters, and pages. Additionally, the platform allows direct linking to specific paragraphs, ensuring that documentation remains cohesive and interconnected. Configuration options enable users to customize BookStack according to their specific needs, including adjustments to the name, logo, and registration settings. Users also have the flexibility to control the visibility of the entire system, making it either publicly accessible or restricted. Built on the Laravel framework using PHP and employing MySQL for data storage, BookStack prioritizes performance and can efficiently operate on a budget-friendly $5 Digital Ocean VPS. This makes it an ideal solution for individuals and teams looking for a reliable documentation tool without incurring significant expenses.