Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.
ONLYOFFICE
Obsidian is a note-taking app that lets you create a personal knowledge graph with ease. It is designed for non-linear thinking and allows you to easily link your notes together wiki-style.
Cross-platform email client providing POP/IMAP support, robust filtering, multiple accounts, and chat. Extendable via add-ons with RSS/Atom, etc.
K-9 Mailand
On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.
Highly customizable browser with built-in ad and tracker blockers, Chromium compatibility, advanced tab management, cross-device sync, and strong privacy features.
Mozilla Firefoxand
Brave
Open-source suite for editing documents, spreadsheets, presentations, forms, and PDF files with co-editing modes, plugin support, AI assistant, and integration across 40+ platforms.
LibreOffice
Trello
Privacy-focused offline task manager for desktop, offering drag-and-drop organization, multiple profiles, PIN security, flexible priorities, and Kanban, List, or Calendar views.
Write, think, and build with AI that asks before it changes.
MakeACopy is an open-source document scanner app for Android that allows you to digitize paper documents with OCR functionality. The app is designed to be privacy-friendly, working completely offline without any cloud connection or tracking.
High-performance app for documents and images with split tabs, multiple layouts, side-by-side viewing, instant search, visual line mode, annotations, and customizable controls.
Okular
Native macOS code editor with syntax highlighting, plugin support, advanced search, split view, macro recording, and full feature parity with the Windows version.
