Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.
ONLYOFFICE
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.
Open source note-taking app with Markdown support, to-do integration, and synchronization with cloud services like Dropbox and OneDrive.
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
Manages macOS windows with snapping, saved multi-app layouts, workspace profiles, automation triggers, local storage, and layout recall across displays.
Lightweight, free annotation tool for Windows with live drawing, shape tools, focus modes, interactive overlay, PDF export, and multi-board backgrounds.
Dotflowy is the OSS Workflowy alternative. Free up your mind. Get your thoughts and tasks out. Organize them later, or don't. Agent-native.
Email, calendar, drive, docs, chat and video meetings under one login, hosted in the EU by an independent European company
Nextcloudand
A local-first Markdown workspace that opens real folders in your browser and saves changes directly to .md files on disk.
Organizes clipboard, screenshots, and text info with OCR, quick search, drag-and-drop, reminders, and timeline view for efficient retrieval and reuse.
