For those seeking to handle more complex PDF tasks, premium software or online services with a wider range of features are often the go-to. However, this post presents the most comprehensive list of free and open-source alternatives available.
PDF4Teachers is a free open-source app specifically designed for teachers to annotate assessments returned in PDF with high productivity. As of V1.1.0, PDF4Teachers is now fully translated into English, making it even more accessible.
PDF4Teachers offers a range of tools for productive PDF editing, including annotation and correction of assessments. What's more, edits are saved separately from PDF files and saved annotations can be quickly inserted for future use. Documents are managed as a set and can be exported as new PDF files with annotations.
PDF4Teachers includes special tools for annotating grades and offers a grading scale feature. When using a numerical grading system, the tool computes the total and sub-totals and exports the grades of a set of corrected documents as a .csv spreadsheet.
Pictures can be conveniently converted into PDF documents, and page formats can be edited (rotation, position, etc.) through buttons located in the footer of each page.
PDF4Teachers is available for Windows, Linux, and OSX. Download it from the release button above to take advantage of its productivity-enhancing features.
For teachers who speak languages other than French and English, instructions on how to help translate PDF4Teachers can be found in the language settings.
The app is an ideal for editing students homework PDF files by teachers.
Features
PDF file manipulation
Annotation
PDF file text edit
Export PDF
Insert images into PDF documents
Split PDF
Add shapes, images, and annotations
Add vector elements
Search PDF files
Platforms
Windows
Linux
macOS
License
PDF4Teachers is released as an open-source project under the Apache-2.0 License.
Comic and Manga books are unique forms of storytelling that blend visual art with written language. They are often serialized narratives, with new chapters or issues released on a regular basis. This serialized format creates ongoing story arcs, which can span multiple issues or volumes, adding depth and continuity to
What is an ebook manager app?
An e-book manager app helps users organize their digital book collection, often by metadata, and may include features for format conversion, syncing with e-readers, and fetching metadata.
In this post, you will find the best open-source and free eBook collection manager.
1. Librum
Librum
PDFUnisci is a powerful tool that allows you to effortlessly merge and split PDF files with just a simple right click. With the integration of itextsharp, you can now handle your PDF documents with ease and efficiency.
Whether you need to combine multiple PDF files into one or extract specific
jscanify is a free open-source pure Javascript implemented mobile document scanner. It is powered by OpenCV.js. It supports NodeJS, React, Angular and Vue.
Features
* Paper detection & highlighting
* Paper scanning with distortion correction
* Export to PDF
License
MIT License
Resources & Downloads
* Home
GitHub - ColonelParrot/jscanify: Open-source Javascript
PDFCook is a prepress preparing tool and PDF editor that supports PDF v1.7, decrypts encrypted PDFs, joins or splits PDFs, scales to any paper size with specified margin, writes page numbers, writes text and transforms pages, and arranges in booklet format with 2 or 4 pages per page for
PDF4QT is a free PDF editor that is based on the Qt framework. It includes a C++ library, applications for viewing and editing PDF documents, and a command line tool. PDF4QT is available for Windows and Linux operating systems.
It offers a modern solution for viewing, editing, and rendering PDF
AK PDF Editor is a free open-source and very lightweight software for PDF file editing. You can merge, rearrange, rotate, delete, compress PDF files in a very simple way.
Features
* Merge multiple PDF Files
* Rearrange pages between multiple PDF files
* Rotate pages of PDF files
* Delete pages from PDF files
Split and merge PDF files with PDFsam, an easy-to-use desktop tool with graphical, command line and web interface.
Features
* Merge PDF files together
* Split PDF files specifying the page number
* Split PDF files specifying the level of bookmarks
* Split a PDF in files of the given size
* Rotate PDF files
PDF-Shuffler is a powerful python-gtk application that empowers users to effortlessly merge or split PDF documents.
It also provides advanced features like rotating, cropping, and rearranging pages through an interactive and intuitive graphical interface. With its seamless integration with python-pyPdf, PDF-Shuffler offers a comprehensive frontend for all your PDF manipulation
PDFsam Basic is a free and open source solution for casual users. Split, merge, mix, extract pages and rotate PDF files
It allows you to merge, split, extract pages, rotate, and mix your PDF files. It is available for Windows, Mac, and Linux operating systems. PDFsam Basic is free and