Nova Code Editor - Nova Code Editor is software that is used for writing and editing codes.
Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.
Perfect Wiki - Build and organize your knowledge base of company resources without switching between workspaces
Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.
Dropbox Paper Mobile - Organize your team’s knowledge in a single place
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.