calibre
Kovid Goyal
Download from the vendor
calibre-ebook.com
A program for managing an e-book library: it catalogues books and manuals by author, subject and tags, converts between formats such as EPUB, MOBI and PDF, and includes a built-in reader and editor. The built-in content server lets you reach the library from a phone or tablet on the network. It suits engineers who keep a large collection of textbooks, manuals and technical documents.
Ratings & Reviews
| Licence type | Completely Free, Open Source |
|---|---|
| Licence terms | Open-source licence (GPL-3.0). Free for any purpose including commercial work, with no time limit, no registration and no licence key. |
| Platforms | Linux, macOS, Windows |
| Engineering field | Architecture, Civil Engineering, Electrical & Electronics, Mechanical Engineering |
| Tool type | General Productivity |
| Vendor site | calibre-ebook.com |
This link goes to the vendor site. EngiFree hosts no installers and distributes no cracked versions.
Last verified: 2026-10-05
