Aside from ones listed here:
System Tools
- WinApps - Run Windows applications seamlessly integrated into your Linux desktop environment, like native including Adobe products.
- Waydroid - Run Android applications in a container on Linux with full hardware access.
- Topgrade - Upgrade all your system packages and dependencies in one command.
- AM (AppImage Manager) - Easy AppImage management for installing, updating, and organizing portable applications.
- Starship - Fast, customizable cross-platform shell prompt with Git integration and status indicators.
- InShellisense - IDE-style IntelliSense autocomplete and suggestions for your terminal.
- Tabby - Modern terminal emulator with tabs, split panes, and extensive customization options.
- Zeit - Qt GUI frontend for scheduling tasks using at and crontab utilities.
- KWin Minimize2Tray - KDE extension that allows minimizing windows to the system tray instead of taskbar.
- Flameshot - Feature-rich screenshot tool with built-in annotation and editing capabilities.
- CopyQ - Advanced clipboard manager with searchable history and custom scripting support.
- Safing Portmaster - Free open-source application firewall with per-app network control, DNS-over-TLS, and system-wide ad/tracker blocking.
Productivity Tools
- DSNote - Offline speech-to-text, text-to-speech and translation app for note-taking.
- NAPS2 - User-friendly document scanning application with OCR and PDF creation capabilities.
- Morphosis - Simple document converter supporting PDF, Markdown, HTML, DOCX and more formats.
- Obsidian - Powerful knowledge management app with bidirectional linking and graph visualization.
- BeeRef - Minimalist reference image viewer designed for artists and designers.
Media & Entertainment
- Popcorn Time - Stream movies and TV shows via torrent with built-in media player.
- Nicotine+ - Modern Soulseek P2P client for sharing and discovering music files.
- XnView - Versatile image viewer, organizer, and converter supporting hundreds of formats.
Happy to list out the self hosted stuff too if there is interest.