Evernote makes it easy to capture anything in multiple formats. Input by photo, text, screenshot, audio recording. Tag your notes, organize into notebooks, share with others or keep them private. Save notes to your Evernote.com account on the web and access from any computer or mobile device. Universal app. Available for Android, iOS, & all major mobile platforms. Free.
Easy-to-use voice recognition app powered by Dragon NaturallySpeaking. Allows you to speak and instantly see your SMS, email or social networking updates on your iPhone, iPad, or iPod Touch. Turns what you say into text and works surprisingly well. Fix any errors you see, then copy into other apps automatically. Great all-in-one voice input solution. Universal iOS app. Free.
Converts your iPhone camera into a portable multipage scanner. Uses image processing (similar to that used in flatbed scanners) to automatically remove shadows, correct contrast and adjust white balance, so that your scanned documents come out looking crisp and clear. Scan receipts, whiteboards, business cards and notes into PDF files, then email them or upload to Evernote, Google Docs and more. iPhone or new iPod Touch only (because of camera). Free and paid versions available.
Powerful note-taking and organizer app, with colorful themes. Backs up your notes to Google Docs. Create folders, include calendar view in every folder, set up tasks lists, attach photos and maps to your notes, set alarms, set passcode lock for privacy, and many more "awesome" features. iPhone/Touch or iPad app. Free and paid versions available.
Use your finger or a special stylus to draw, write in your own handwriting, and sketch. Create notebooks for each project, turn on "wrist protection" so the touchscreen doesn't draw by mistake when your wrist touches the sreen. Use a VGA adaptor to plug your iPad into a screen display and show your audience your drawing in real time. Import/export your notebooks and more. iPad only.