Markdown is a text-to-HTML conversion tool for web writers. Markdown allows you to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML).

Pandoc is a Haskell library for converting from one markup format to another, and a command-line tool that uses this library.

Geany is a powerful, stable and lightweight programmer's text editor that provides tons of useful features without bogging down your workflow.

Markor is a TextEditor for Android, versatile, flexible, and lightweight. Markor utilizes simple markup formats like Markdown and todo.txt for note-taking and list management. It is versatile at working with text; it can also be used for keeping bookmarks, copying to clipboard...

Open-source, self-hosted tool that extracts articles, offers offline mobile reading, powerful filters, migration from other services, and multiple download formats.

Track your tasks and projects in a plain text file, todo.txt. A todo.txt is software and operating system agnostic; it's searchable, portable, lightweight and easily manipulated.

This is Poppler, a library for rendering PDF files, and examining or modifying their structure. Poppler originally came from the XPDF sources; please see the file README-XPDF for the original xpdf-3.03 README.

Python IDE for beginners. Its supports different ways of stepping through the code, step-by-step expression evaluation, detailed visualization of the call stack and a mode for explaining the concepts of references and...

Python is an interpreted, interactive, object-oriented, extensible programming language. It provides an extraordinary combination of clarity and versatility, and is free and comprehensively ported.

Pygal is a dynamic SVG charting library written in Python.

Search engine of shadow libraries: books, papers, comics, magazines. Z-Library, Library Genesis, Sci-Hub. Fully resilient through open source code and data. Spread the word: everyone is welcome here!.

ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.

Open source vector graphics editor supporting SVG with features like custom brushes, pressure sensitivity, and layer management across multiple platforms.

DIagrams Through Ascii Art (ditaa) is a small, command-line tool built with Java to convert diagrams drawn ASCII art into bitmap graphics. ditaa interprets ascci art as a series of open and closed shapes, but it also uses special markup syntax...

Open-source browser with Gecko engine, supporting HTML add-ons and providing privacy features like Enhanced Tracking Protection and third-party cookie blocking.

A versatile open-source word processor with robust formatting, style options, and cross-platform availability, ideal for both memos and complex book publishing.

qpdfview is a Qt-based tabbed document viewer using the Poppler library for PDF rendering and CUPS for printing. Support for the DjVu and PostScript formats can be added via plugins.

Handwritten notes and PDF annotation app with pen input, shape drawing, customizable toolbar, image insertion, audio recording, and multi-platform support.

MPV is an audio and movie player based on MPlayer and mplayer2. It supports a wide variety of video file formats, audio and video codecs, and subtitle types.

Dual-screen PDF reader for presentations written in Python. Show a presentation in one window and additional information in a presenter window.

SimpleScreenRecorder is a Linux screen recorder that supports X11 and OpenGL. It is easy to use, feature-rich, and has a Qt-based graphical user interface. It can record the entire screen or part of it, or record OpenGL applications directly.

Open-source, decentralized alternative ensuring data ownership with encrypted communication and peer-to-peer sync, void of central server reliance.

Enhanced file sync tool offering individual sync conditions, Android-focused UI, battery fixes, two-way external SD support, and secure encrypted folders.

Moodle is an open source tool for creating online dynamic web sites for their students. To work, it needs to be installed on a web server somewhere, either on one of your own computers or one at a web hosting company.

LocalSend is a free, open-source, cross-platform file-sharing tool designed to securely share files and messages with nearby devices over your local network without needing an internet connection. Here are some of its key features:

LibreOffice Calc is the spreadsheet program you've always needed. A fork of OpenOffice.org Calc, professional data miners and number crunchers will appreciate its comprehensive range of advanced functions.