Pdf

Take potentially dangerous PDFs, office documents, or images and convert them to safe PDFs.

File Search Tool

A Simple and elegant markdown editor

OCRmyPDF adds an OCR text layer to scanned PDF files, allowing them to be searched

The PDF Editor That Every Teacher Should Have

Free PDF File Converter App

an Open source Collaborative Note-taking for Creative Teams (Notion.ai alternative)

ebook reader

Design flowcharts, UML diagrams and Databases

A modern, native macOS markdown editor

Sweet, simple epub reader

eBook reader for ePub, Mobi, ETF, and Fb2.

Open-source free Photo Editor and Photoshop Alternative

free open-source vector design software for macOS, Linux, and Windows

open-source ebook reader

an open-source Office Suite

Markdown Presentation Ecosystem

A minimal Markdown editor

Take smarter, more beautiful notes

A Simplenote client for macOS

fully open source & end-to-end encrypted note taking alternative to Evernote

A friendly UI to combine multiple PDFs into a single PDF

merge and stitch PDF files

Merge, split, rotate, convert, edit, sign PDF files... we've got you covered

An open-source GUI prototyping tool that's available for ALL platforms.

An easy, intuitive tool to make 2D hand-drawn animations.

Libre free Desktop Page Layout Editor and Adobe Indesign Alternative

skimPDF reader and note-taking solution

Open any archive in seconds

Converts Evernote notes to Markdown

Open-source Free Markdown editor for professionals

Desktop Wiki and Personal Knowledge-base