C

• Content management systems‎ (15 C, 157 P)

E

• Email clients‎ (9 C, 52 P)

F

• Office document file formats‎ (7 C, 10 P)
• Free office software‎ (5 C)

O

• Office suites‎ (9 C, 54 P)

P

• Presentation software‎ (3 C, 54 P)

S

• Spreadsheet software‎ (5 C, 46 P)

T

• Typing software‎ (1 C, 6 P)

W

• Word processors‎ (10 C, 92 P, 2 F)

• Productivity software

A

• Act! LLC
• ALL-IN-1

G

• Google Tasks

M

• Microsoft To Do

N

• Nimbus Note
• Nuance Communications

O

• Office automation

P

• Plotly

R

• RagTime
• Reference Software International

T

• Tresorit

Z

• Zoho Office Suite