Office & Productivity Page 2 of 525

Open-source workspace with full data ownership, offline access, multi-platform support, and deep customization through themes, plugins, and templates.

Free, lightweight PDF viewer available on multiple platforms. Features include annotation, form-filling, signing, cloud integration, and more.

Online word processor offering real-time collaboration, document conversion, robust formatting, revision history, redownloading, and language translation.

Microsoft OneNote, part of the Microsoft 365 Copilot, is a digital notebook application that gives people one place to gather notes and information. It also offers shared notebooks, syncing between multiple computers and devices via Windows...

Cross-platform cloud note-taking with plain text, syncing, tagging, real-time collaboration, markdown, version history, and open-source clients.

K-9 is an open source email client for Android with multi-folder sync, email signatures, Bcc-to-self, return-address configuration, keyboard shortcuts, Exchange Support, message flagging, IMAP deletes, saving attachments, configurable notifications and more.

Manages clipboard history, supports text, images, and syncs across computers. Offers encryption, search, thumbnails, and full Unicode with multilingual support.

Open-source, privacy-focused workspace merging notes, tasks, project management, Kanban, Pomodoro timer, interactive whiteboard, and real-time collaboration.

Office suite offering productivity tools for document creation, collaboration, and AI-enhanced editing across various platforms and devices.

Open-source client enhancing Thunderbird with more features and bug fixes. Offers security patches and multi-row descriptions like Outlook.

Manages tasks across all platforms with advanced language recognition. It integrates with 60+ tools, and offers templates for various projects.

Widely-used word processor offering extensive document editing tools, SmartArt, PDF support, and integrated search features on multiple platforms.

CryptPad is a private-by-design alternative to popular office tools and cloud services. All the content stored on CryptPad is encrypted before being sent, which means nobody can access your data unless you give them the keys.

Automates over 1000 apps and devices with non-coding integrations and partnerships with 900+ brands, creating a billion Applets monthly.

Manage events efficiently with device syncing, Gmail integration, event reminders, and shareable schedules on a user-friendly interface with dark mode.

Apache OpenOffice is a leading open-source office suite that offers free applications for word processing, spreadsheet, presentations, graphics, databases and more. All data is stored in an open standard format, though Open Office can also read and write files from other common...

Small python-gtk application, which helps the user to merge or split pdf documents and rotate, crop and rearrange their pages using an interactive and intuitive graphical interface.

Free, open-source note-taking with rich text, cross-platform support, syntax highlighting, embedded files, and customizable interface.

Handwritten notes and PDF annotation app with pen input, shape drawing, customizable toolbar, image insertion, audio recording, and multi-platform support.

Your calendar is a record of your life. Proton Calendar helps keep it private.

End-to-end encrypted online spreadsheets enabling secure, real-time collaboration, access management, automatic calculations, and cross-device sharing for team data analysis.

TiddlyWiki is a single html file with all the characteristics of a wiki - including all of the functionality (including editing, saving, tagging and searching) and the style sheet. Because its a single file, its very portable - you can email it, put it on a web server or share...

A cross-platform Markdown editor providing real-time preview, Focus & Typewriter modes, and support for multiple export formats.

The original trilium is transfered to this repo by its owner and the app continues to develop here as stated here: https://github.com/TriliumNext/Trilium

Your privacy-aware, open-source calendar with intuitive design and multi-platform syncing.