Coda - Text editor + file transfer + svn + CSS + Terminal + Books + More = Whoah. Welcome to Coda. Grow beautiful code.
Perfect Wiki - Build and organize your knowledge base of company resources without switching between workspaces
Slab - Slab is a knowledge hub for the modern workplace. We help teams unlock their full potential through shared learning and documentation. Slab features a beautiful editor, blazing fast search, and dozens of integrations like Slack, GitHub, and G Suite.
Amium - A collaboration app that brings conversation to your files
Notion for iOS - A collaborative editor for notes, tasks, and wikis
Pages by Process Street - Pages is a free-for-everyone knowledge base from Process Street.Try it out!