PFS:File (1982) 2 Database MacOS

PFS:File is an easy to use flat file database that started off as "PFS: The Personal Filing System" on the Apple II and then ported to the IBM PC, TRS-80, and other platforms. OEM version were available from various companies including IBM. Later it evolved in to PFS:Professional File, and IBM rebranded a version as IBM Filing Assistant.

• Axx (Mac)

Schedule+ (1990) 6 PIM Windows MacOS

Schedule Plus is a calendar/personal information manager. It is designed to operate using a shared network Microsoft Mail "mailbox" over a LAN.

• 1.x

Thunderbird (2005) 0 Communications Windows Linux Mac OS X

Thunderbird is an e-mail client based on the integrated Netscape/Mozilla e-mail client. With the release Firefox, it was spun off in to a separate standalone product. It includes the same HTML rendering engine used in Firefox to render HTML formatted messages.

• 1.x
• 2.x