Free and Open Source Software

posted by Rianne Schestowitz on Sep 21, 2025

• VNote - Vim-inspired note-taking application - LinuxLinks

  VNote is a Qt-based note-taking application, focusing on Markdown. VNote is designed to provide a pleasant note-taking platform with excellent editing experience.

  VNote is not just a simple editor for Markdown. By providing notes management, VNote makes taking notes in Markdown simpler. In the future, VNote will support more formats besides Markdown.

  This is cross-platform software running under Linux, macOS, and Windows. Free and open source.

• apvlv - document viewer - LinuxLinks

  The only thing you need to do is typing the number before the command. For example, typing ’50’ and < Ctrl-f > will go forward 50 pages, typing ’30’ and < Ctrl-b > will go previous 30 pages.

  What’s more important is apvlv can support view a directory as content of a pdf/epub document. Pressing ‘k’ or ‘j’ to move selected up or down, ‘h’ or ‘l’ to collapse or expand a dir, and press ‘t’ will open the selected document in a new tab.

  This is free and open source software.

• Epicenter - ecosystem of open-source, local-first apps - LinuxLinks

  Epicenter is an ecosystem of open-source, local-first apps. The eventual goal is to store all of your data—notes, transcripts, chat histories—in a single folder of plain text and SQLite. Every tool we build shares this memory. It’s open, tweakable, and yours. Grep it, open it in Obsidian, host it wherever you like.

  This is free and open source software.

• Janus - simple notepad - LinuxLinks

  Janus is a simple native Linux notepad meant for text editing. It supports UTF-8 and binary data.

  This is free and open source software.

• SSHM - SSH connection manager - LinuxLinks

  It’s designed for DevOps teams managing complex infrastructure. It combines organized server management, persistent tmux sessions, and a k9s-inspired terminal interface to eliminate connection overhead and improve operational efficiency.

  This is free and open source software.

• objdiff - local diffing tool for decompilation project - LinuxLinks

  objdiff is a local diffing tool for decompilation projects.

  There is also a GUI available.

  This is free and open source software.

• Actual Budget - fast and privacy-focused app to manage your finances - LinuxLinks

  Actual is a local-first personal finance tool. It is 100% free and open-source, written in NodeJS, it has a synchronization element so that all your changes can move between devices without any heavy lifting.

  At its heart is the well proven and much loved Envelope Budgeting methodology.

  You own your data and can do whatever you want with it. Featuring multi-device sync, optional end-to-end encryption and so much more.

• Simple Archiver - alternative to tar - LinuxLinks

  Simple Archiver is an alternative to tar.

  Despite its name, the tool has a fairly wide range of features.

  This is free and open source software.