Codementor - “Instant help from expert developers. Codementor is your instant 1:1 expert mentor helping you in real time.”
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
Text A Coder - Send a text, get a developer and project manager instantly
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.
Designbook - What do all startup founders need? More time, passionate collaborators and investors!
Joplin - Joplin is a free, open source note taking and to-do application, which can handle a large number of notes organised into notebooks. The notes are searchable, tagged and modified either from the applications directly or from your own text editor.