GUIs

Obsidian

Obsidian is a free and highly extensible note taking application that uses simple Markdown files for storage.

It offers a commercial add-on for syncing with mobile apps on iOS and Android, but if you don't need that, it's free for personal use (and $50/year for commercial use).

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Pinta

Pinta is a basic image editing tool that's great for cropping, resizing, and other basic manipulations. Just don't expect a Photoshop alternative. But it's still got a Magic Wand and layers!

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LocalSend

LocalSend lets you send files to other devices on the same network running the app, like Apple's AirDrop. It's cross-platform, though, so you can send files to and from Windows, macOS, Android, iOS, and of course Linux.

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Signal

Signal is the pioneer of E2E encrypted messaging, and a great communication option for anyone who'd prefer not to go through one of the big tech conglomerates.

Flameshot

Gnome's built-in screenshot tool is fine. You trigger it on Print Screen button by default (but you can change this in Settings > Keyboard > View and Customize Shortcuts > Screenshots, if your keyboard doesn't have a Print Screen button). But it doesn't have a lot of tools for manipulating those screenshots.

Flameshoot does. It has arrows, pixelation, and a bunch of other manipulations. By default, Omakub has it mapped to Ctrl + Print Screen.

VLC

VLC is a media player that'll play almost anything from any source. Great for watching videos or even converting them.

Optional

These optional GUI applications can be installed by launching the Omakub app and hitting Install.

OBS Studio

OBS Studio lets you record or stream video from multiple inputs. You can mix a screencast with a webcam with a microphone input. It's what was used to record the Omakub screencasts.

Audacity

Audacity is for recording and editing audio. Whether you're making music or a podcast, Audacity has all the tools for making it sound great.

Brave

Brave is a privacy-focused browser built on the Chromium rendering engine. It ships with a host of built-in ad blockers. Good alternative if you don't want to run Chrome.