Office & Productivity

Free and open-source office suite with advanced word processing, spreadsheets, presentations, vector graphics, math formula editor, and database tools.

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.

Thunderbird is a free, open source, cross-platform e-mail, news and instant messaging client. The project strategy is modeled after Mozilla Firefox.

On-premises file sync, universal access, integrated collaboration, real-time communication with privacy and data control focus.

Writer has all the features you need from a modern, full-featured word processing or desktop publishing tool.

The Vivaldi browser protects you from trackers, blocks unwanted ads, and puts you in control with unique built-in features.

Experience robust security, multiple accounts, chat, and fast search with efficient Gmail email management in a streamlined interface.

ONLYOFFICE is an open-source, online office suite that includes editors for documents, spreadsheets, presentations, and forms. It supports all common formats and MS Office files.