PDF4QT is a robust and feature-packed open source PDF editor that is based on the Qt framework. It comes complete with a C++ library, command line tool, and applications for viewing and editing PDF documents. This modern solution is available for both Windows and Linux users, and is perfect for developers and regular users alike.
Developers will be pleased to find that PDF4QT offers a C++ library and a command line tool that can be used in scripts. Meanwhile, users will find four applications that offer a wide range of features. These applications are designed to allow users to view, edit, manipulate, and compare PDF documents with ease. You can preview these applications in the screenshots section of the webpage.
Features
multithreading support
hardware accelerated rendering
encryption
color management
optional content handling
text layout analysis
signature validation
annotations
form filling
text to speech capability
meditation
file attachments
Optimization (compressing documents)
command line tool
audiobook conversion
internal structure inspector
compare documents
static XFA support (readonly, simple XFA only)
electronically/digitally sign documents
public key security encryption
Platforms
Windows
Linux
macOS
Download
You can download Windows binaries from here. Also, you can build the app from the source.
Zim is an open source free lightweight note-taking application in a form of desktop wiki. It allows you to organize your notes, articles, resources, and ideas all in one place, connect them together using page links, attach media and documents and more.
Zim is a graphical text editor used to
Zettlr is a free open-source Markdown editor for professional writers, developers, researchers, journalists, bloggers and content creators.
It allows you to write your files in a Markdown format and make a use of the YAML header metadata that is widely used by many ope-source blogging platforms.
With Zettlr you can
Yarle is the ultimate converter of Evernote notes to Markdown.
Features
* ๐ Any text
* ๐ All metadata: original creation time, last modification time, tags, GPS location, notebook name, source URL
* ๐ External links
* ๐ Internal links among Evernote notes
* ๐ป Codeblocks
* ๐ผ๏ธ Inline Images
* ๐ Attachments
* ๐ Webclips
Customization
* ๐ Creates Markdown files matching to user-defined templates, see Templates
The Unarchiver is a free file compression manager supports many archived files especially RAR, ZIP, ACE and TAR. It's totally free and supporting many macOS versions starting from macOS 10.7. It also supports rare archived formats including old formats as well.
The Unarchiver is the only app you need
Scribus is free and open-source desktop publishing software available for most desktop operating systems. It is designed for layout, typesetting, and preparation of files for professional-quality image-setting equipment. Scribus can also create animated and interactive PDF presentations and forms.
Platforms
Linux, macOS, Windows, FreeBSD, OpenBSD, Solaris, AmigaOS 4 undefined
License
Pencil2D is an easy, intuitive tool to make 2D hand-drawn animations.
Pencil2D is an animation/drawing software for Windows, macOS, Linux, and FreeBSD. It lets you create traditional hand-drawn animation (cartoon) using both bitmap and vector graphics. Pencil2D is free and open source.
Features
* minimal design
* vector animation
* sketch,ink,
Pencil is built for the purpose of providing a free and open-source GUI prototyping tool that people can easily install and use to create mockups in popular desktop platforms.
Features
* App mockup
* Built-in shape collections
* Diagram Drawing
* Export to several format
* OpenClipart.org support
* Inter-page linking
* Templates
Stencils
* Android
* iOS
PDF stitcher is a tool that merges and stitches PDF files together, as its name suggests. It is available for Windows 7 and later, as well as macOS devices with both Intel and M1 chips.
Platforms
macOS (Intel, M1) Windows (Windows 7+)
License
null
Tags
PDF,office,document,productivity,tools,
Notesnook is a free (as in speech) & open source note-taking app focused on user privacy & ease of use. To ensure zero knowledge principles, Notesnook encrypts everything on your device using XChaCha20-Poly1305 & Argon2.
The project is written in JavaScript, TyepScript, React, and React Native for mobile apps.
Features
* Fancy user interface
A Simplenote client for macOS. Learn more about Simplenote at Simplenote.com.
License
Simplenote for macOS is an Open Source project covered by the GNU General Public License version 2.
Platforms
macOS null
License
GPL-2.0 license
Tags
note,notes,note-taking,productivity,todo,tasks,pdf,txt,text,html
Resources
* Homepage