Ksnip is a Qt based cross-platform screenshot tool that provides many annotation features for your screenshots.
- Screenshot Capture Tool
- Free • Open Source
- Mac
- Windows
- Linux
- Snapcraft
- Flathub
+6All your services in one place, built by the community.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com
- Flathub
- Snapcraft
Manuskript is an open-source tool for writers, with outliner, character management, plot development, distraction-free editor, etc.
- Novel Authoring Tool
- Free • Open Source
- Mac
- Windows
- Linux
- Snapcraft
- Flathub
- Flatpak
+5Task manager with Todoist support designed for GNU/Linux 🚀.
- Todo List Manager
- Free • Open Source
- Linux
- Snapcraft
- Flathub
+3MediaInfo supplies technical and tag information about a video or audio file. Supports many audio and video formats, with different methods of viewing information.
- Metadata Viewer
- Free • Open Source
- Mac
- Windows
- Linux
- PortableApps.com
- Flatpak
- Snapcraft
- Flathub
- iPhone
- iPad
- Android
- Android Tablet
- AWS Lambda
- Online
+1ghostwriter is a feature-rich text editor using Markdown syntax which makes it suitable for note-taking, document redaction, simple HTML website creation and much more.
- Note-taking Tool
- Free • Open Source
- Mac
- Windows
- Linux
- Flathub
- Snapcraft
+1Monitor your CPU, Memory, Disk, Network and GPU usage.
- System Information Utility
- Free • Open Source
- Linux
- Flathub
- Snapcraft
+13A simple and modern eBook viewer for Linux desktops.
- Ebook Reader
- Free • Open Source
- Linux
- BSD
- Snapcraft
- Flathub
+3stretchly is cross-platform open source app that reminds you to take breaks when working with computer.
- Prevent RSI App
- Freemium • Open Source
- Mac
- Windows
- Linux
- BSD
- Snapcraft
- Flathub
- Homebrew
- Chocolatey
+8Butterfly is a note-taking app where your ideas come first. You can paint, add texts, and export them easily on every device. This app works on android, windows, linux, and in the web.
- Note-taking Tool
- Free • Open Source
- Mac
- Windows
- Linux
- Online
- Android
- iPhone
- Android Tablet
- Self-Hosted
- Snapcraft
- AltStore
- Flathub
- F-Droid
Glaxnimate is a vector graphics animation program which focuses on being quick and easy to use.
- Animation Maker
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- Flathub
- Snapcraft
+2A free, cross-platform tool for editing and scripting subtitles, featuring visual typesetting, multiple formats, and real-time video preview.
- Subtitle Editor
- Free • Open Source
- Mac
- Windows
- Linux
- BSD
- Snapcraft
- Flathub
- Flatpak
+9Delta Chat looks and feels like other popular messenger apps, but does not involve centralized control, tracking or selling you, friends, colleagues or family out to large organizations. "Privacy by Design" has never been more fun.
- Instant Messenger
- Free • Open Source
- Mac
- Windows
- Linux
- Android
- iPhone
- Android Tablet
- iPad
- Snapcraft
- Flathub
- F-Droid
+1Gwenview is an image viewer for KDE. It can load and save all image formats supported by KDE, but Gwenview can also browse GIMP files (*.xcf). Gwenview does not try to replace your favorite image editor, so it only features the most simple image manipulations, e.g.
- Image Viewer
- Free • Open Source
- Linux
- KDE Plasma
- Flathub
- Snapcraft
Prey offers a decade of experience in device tracking and security tools to protect laptop, phones, and tablets across multiple OS.
- Phone Tracker
- Freemium • Proprietary
- Mac
- Windows
- Linux
- Android
- iPhone
- iPad
- Android Tablet
- Snapcraft
- Chrome OS