Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.
ONLYOFFICEand
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
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.
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
Offers end-to-end encrypted video calls, no tracking, guest links, privacy features like background blur, easy scheduling with calendar integration, and supports up to 50 free participants.
Signaland
Free web app for group scheduling that shows everyone's availability at once via a shared link—no login required—making it simple to coordinate group plans.
Project management that your whole team understands from day one. Simple structure, fast setup, nothing you don't need
Tracks app and website usage locally on Android and Chrome, with per-app alerts, focus mode schedules, zero ads, no cloud sync, and no account required.
Lightweight tool enabling real-time screen annotation, drawing, highlighting, zoom, and spotlight features, ideal for presenters, teaching, or tutorials.
