Log the time it took to do tasks

Capture android pen input on Linux

Programmable calculator for complex expressions

Markdown-based knowledge base

The app made for your Trezor

TeX/LaTeX Editor

Encryption for your cloud made easy

PDF viewer

BlueMail is a free, secure, universal email app, capable of managing an unlimited number of mail accounts

Note-Taking App

Distraction-free text editor for Markdown

Simple and powerful mind map

Read PDFs and ebooks horizontally

Create invoices, accept payments, track expenses & time tasks

PDF viewer designed for reading research papers and technical books

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

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

Manage your todos in Markdown

Open Source Notion Alternative

An encrypted, local-first desktop journal

Cross platform open source e-book reader

Quick, simple and private family budgeting app

Swiss Army Knife for PDF files

Powerful, fast and elegant CalDAV task manager

Typst editor for focused writing

Email made better

Manage your personal finances

Simple text editor for Markdown and reStructuredText

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

Private logbook with AI assistants