There are hundreds of resources and tools on the web to help students out. Unfortunately, a lot of them are a waste of time and not as useful as they appear to be. Below is a small list of tools that stand out in terms of usefulness and productivity:
Taking Notes:
Take notes through a web applicaiton, twitter or your mobile phone. You can also view your notes off-line through the desktop application.
A Wiki based web tool to create notes online. It also auto-saves, tracks past revisions and allows you to download your complete wiki as a web-page or spreadsheet.
Create notes by clipping web pages. Drag, drop, annotate and customize your notes.
Create interactive notes by including photos, videos, emails and links in your notes. Connect and share your notes with other Broong friends.
Create Graphs/Charts/Diagrams:
A very easy to use Drag and Drop tool to create diagrams online. Ready symbols for flowcharts, sitemaps, wireframes, Org charts and network diagrams.
Create charts and graphs online from any data. Choose from 10 different types of charts and customize the appearance according to your needs.
A web-based vector drawing application with tons of features. Create floor-plans, electronic circuit diagrams, network diagrams and user interface mockups.
This Ajax based online charts creator gives you a real time preview of your chart as you make the changes. Very easy-to-use and lightweight app.
Tracking/Organizing:
Track your school/college assignments, see when they are due and get notified by SMS or email.
Online organizer for teachers and students. Track your assignments, files, grades, notes and discussions. Share and collaborate with your classmates.
Reference:
Free video lectures from top universities including Harvard, Yale, MIT and Stanford. Allows you to browse by subject or instructor and share and download videos.
A comprehensive online dictionary and translation tool. Supports English, German, French, Swedish, Italian and Dutch languages.
Simple web tool to see what an abbreviation stands for. It also categorizes the results and allows a single-click search on Google for your abbreviation. Can be added to your Google tool bar for easier access.
A free automatic bibliography maker that auto-fills information for you. Download your bibliography in APA, MLA, Chicago or Turabian formats.
SImple PDF search app to find all kinds of PDF files, reports, papers, data sheets and ebooks. You can also download any of the PDF.
Editing Tools:
Text tools to do simple tasks such as Alphabetizing, removing line breaks and converting text to HTML.
Annotate documents and images including PDF files, spreadsheets and presentations. Save annotated documents online and share with friends.
A no-hassle web app to edit and annotate PDF files online. You can either upload a PDF or open from a URL. Comes with a handy firefox add-on.
Utilities
Lets you open spreadsheets that are protected with a password. Just browse to your file and go.

A simple utility to unlock PDF files. Just upload a PDF and click submit. The modified version will allow you to copy/paste/print without any restrictions.

A very simple yet handy tool that displays a ruler on your screen for quick measurements.
Create PDFs from a URL or by combining two or more PDF files. Also good for converting other file types into PDFs.



























