PIM application | Platform(s) | Software license | Notes |
3D Topicscape | Windows | Commercial | organizes information into 3D landscapes |
Calendar | macOS | Commercial | Included with macOS |
Outlook Calendar on Outlook.com | Web | Freeware | Has a freeware offline client, Calendar (Windows) |
Gubb | Web | Freeware | |
CintaNotes | Windows | Freemium | organizes information as notes, grouped using tags |
eM Client | Windows | Freemium | Personal information manager, Email client, Calendaring software |
Evernote | macOS, Windows, Web, Android | Commercial | |
Evolution | Linux, Unix, GNOME | GPL | Included with GNOME |
Google Calendar | Web | Freeware | |
GroupWise | Linux, macOS, Windows, Web | Commercial | |
IBM Notes | Linux, macOS, Windows | Commercial | |
ical | Cross-platform | GPL | |
Joplin | Linux, macOS, Microsoft Windows, Android, iOS | AGPL | Note taking application organised as notebooks. Can import and export from Evernote |
Kontact | Linux, Windows, Unix, macOS, KDE | GPL | Included with KDE |
Leo | Linux, Windows, macOS | MIT | Python-scriptable folding editor/IDE organized around multiple views (clones) of underlying text spread across files. Inspired by literate programming and similar to org-mode. |
Lightning | Linux, Windows, macOS, others | MPL, GPL, LGPL | Addon for the Thunderbird e-mail client |
Microsoft Outlook | Windows, macOS | Commercial | |
mobile PhoneTools | Windows | Commercial | |
MyInfo | Windows | Commercial | Free form personal information manager |
Notion | Cross-platform | Commercial |
Obsidian | Cross-platform | Catalyst license | Personal Knowledge Base |
OneNote | Windows, macOS, Web, Android, Windows Phone | Freeware | Notes manager |
org-mode | Cross-platform | GPL | Integrates with Emacs BBDB for contact management support, web browsers for hyperlink storing support. Free iPhone and Android apps available (Orgzly, MobileOrg and Beorg) |
Personal Knowbase | Windows | Commercial | Freeform note-taking organizer. Portable. |
Planz | Windows | MIT | Provides a single, integrative document-like view of personal information as an overlay to the user's file system. |
Remember the Milk | Web | Freemium | |
Tabbles | Windows | Freemium | Tagging and auto-tagging of files, emails and bookmarks. Tag-sharing for files on shared-drives or in the Cloud. |
TagSpaces | Cross-platform | AGPL | Offline application for PC, smartphone or tablet. Personal "wiki" for project tracking and storage of information. |
Taskwarrior | Linux, semi-cross-platform (Windows Subsystem for Linux, Cygwin) | MIT | Time and task management tool with command-line interface. |
Things | macOS | Commercial | Task management and scheduling |
TiddlyWiki | Cross-platform | BSD 3-clause | Single HTML file application used directly in browser that facilitates content reuse. |
Tinderbox | macOS | Commercial | |
TopXNotes | macOS | Commercial | Hybrid personal note and information organizer |
Treasuremytext | Cross-platform | Commercial | Archiving personal messages |
Whizfolders | Windows | Commercial | Hybrid Note-taking software and outliner |
Windows Contacts | Windows | Commercial | Included with Windows 7, 8 and 10 |
Wrike | Web | Commercial | |
Yahoo! Calendar | Web | Freeware | |
Yojimbo | macOS | Commercial | "Personal information manager" |
Zim | Cross-platform | GPL | Graphical text editor designed to maintain a collection of locally stored wiki-pages. |
SuperMemo | Windows | Commercial (with freeware older versions) | Spaced repetition, Incremental reading, Task management and more. |
TheBrain | Cross-platform | Freemium | Personal knowledge base that uses a dynamic graphical interface that maps hierarchical and network relationships. Like a Knowledge Graph. |