Documize - Enterprise-grade wiki and knowledge management platform

Google Contacts - Google Contacts is Google's contact management tool that is available in its free email service Gmail, as a standalone service, and as a part of Google's business-oriented suite of web apps Google Apps.

HackMD - Fast and flexible, real-time collaborative markdown, inspired by Hackpad.

SA Contacts Lite - SA Contacts Lite app comes up with features to help you in transferring all your contacts in your phone book between all your handheld devices without much of a stretch.

ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.

Import Export Contact Master - Import Export Contact Master app contains features so users can export all the selected phone numbers from the sim and the phone storage in an excel file right at their fingertips.