Privacy-focused diagramming software supporting real-time collaboration, offline mode, and cloud storage without ads or registration.
- Diagram Editor
- Free • Proprietary
- Mac
- Windows
- Linux
- Online
- Chrome OS
- Notion
- Self-Hosted
- Microsoft SharePoint
- Microsoft OneDrive
- PortableApps.com
- Google Drive
- Google Docs
- Microsoft Teams
- Google Slides
- Google Sheets
+9Offline image editor offering brightness, contrast adjustments, vignette, border effects, and more; exports as JPEG or PNG with metadata options.
- Image Editor
- Free • Open Source
- Mac
- Linux
- Android
- Flathub
- Flatpak
- Online
Privacy-focused app for sketching and digital art. Customize canvas colors and brush sizes, export in PNG, JPG, and SVG—all offline.
- Digital Painting Tool
- Free • Open Source
- Android
- F-Droid
- Android Tablet
Design unique, secure, and stunning QR codes on Mac with customizable design options, advanced scanning capabilities, and easy sharing features.
- QR Code Generator
- Paid • Proprietary
- Mac
IOctopus is an online mind map service for a dive deep into a mind for the best ideas.
- Mind Mapping Tool
- Freemium • Proprietary
- Online
- Software as a Service (SaaS)
+11Delineate provides facilities to edit and draw graphs specified in the DOT language It is designed to be a simple and intuitive tool for creating and editing graphs, with a focus on the user experience.
- Graphing Calculator
- Free • Open Source
- Linux
- Flathub
- Flatpak
Every screen content can be made available as a digital drawing area so that you can mark and highlight important things. Thus Pointofix is ideal for you as a teacher or IT trainer to support your lectures, training courses and presentations.
- Whiteboard
- Free • Proprietary
- Windows