Powerful note-taking application for personal and professional use

Create and validate e-invoices

Rich text editor using WebKit

Modern, feature-rich ebook reader

Time tracking and billing for freelancers and small businesses

Fully validating Bitcoin peer-to-peer network node, wallet and GUI

The app made for your Trezor

Document viewer for popular document formats

todo manager based on the todo.txt syntax for Linux, free and open-source (FOSS)

A word processor

Track the performance of an investment portfolio

Take handwritten notes

Focus with timed work intervals

Markdown-based knowledge base

Sends template-based emails to a list of recipients

Build your personal knowledge base

open source note taking and to-do application

Open Source PDF Editor

Faxing with Linux/Unix

Unofficial ProtonMail desktop app

iText RUPS is a tool to view PDF structure in a Swing GUI

All-in-One Writing App

Professional writing studio

ConfClerk is an application which makes conference schedules available offline

An application to perform common editing operations on PDF files

Do your capital gains taxes in Brazil (Calendar year of 2026)

Application-Platform similar to OSGI

Mind Mapping, Knowledge Management, Project Management. Develop, organize and communicate your ideas and knowledge in the most effective way

Document and contract management system

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