Documents, notes and projects

7-Zip opens and creates archive files through a desktop interface and command-line tools.

Adobe Acrobat Reader opens PDFs and provides tools for reviewing documents.

Asana organizes shared work into tasks and project views.

Calibre manages ebook files and conversion workflows on a computer.

ClickUp brings tasks and work documentation into a shared project workspace.

Dropbox synchronizes and shares files through account-based desktop and mobile clients.

Evernote collects notes and supporting material into a searchable workspace.

Foxit PDF Reader provides a desktop environment for viewing and annotating PDFs.

Google Docs creates and edits documents in a browser, with sharing and collaboration tied to a Google account.

Google Drive brings cloud files, sharing and computer synchronization into one service.

Joplin organizes notes with a Markdown-oriented workflow and synchronization options.

LibreOffice provides desktop applications for documents, spreadsheets and presentations.

MEGA offers account-based file storage and synchronization applications.

Microsoft To Do manages personal task lists within a Microsoft account workflow.

Notion organizes pages, databases and team information in a shared workspace.

Obsidian links notes in a local Markdown-based vault.

OneDrive synchronizes files through Microsoft's account and device ecosystem.

OneNote stores notes in notebooks that can be organized by section and page.

ONLYOFFICE provides document, spreadsheet and presentation editors in several deployment forms.

PDF24 Creator brings several PDF processing tools into a Windows desktop application.

Slack brings team conversations, channels and direct messages into a shared workspace.

TickTick combines task lists with planning and personal productivity features.

Todoist organizes tasks through projects and due-date workflows.

Trello arranges work as cards moving through configurable boards.

WPS Office groups document, spreadsheet and presentation tools into one product family.

Zotero collects reference information and helps organize a research library.