The easiest and most widely used application would be Microsoft Excel.

Same goes for Bill Gates (at least when he was still day to day with Microsoft) - retains sizable equity in company but still majority controlled by public shares. 

Microsoft Excel - Can't live without itMicrosoft One Note - Keeping notes across multiple platforms, Evernote is a good option tooMicrosoft Power Point - For making pitch decks, Mac has competitive option too, can't remember the nameDropbox - Can't live without itChrome Browser - Most stable, ad free, light weightQuickbooks - I hate this software, but there is no alternative that accountants will accept without going to a multi-thousand dollar licensed big boy system

My husband used to test games at Microsoft in your neck of the woods before we related to a lower cost of living area.  

If you have someone who is technical (can install host a LAMP program) and can help you develop the database, it might be a good fit.Maybe not the easiest of solutions, but certainly gives you a few more features around building a pipeline than something like Microsoft Access gives.

@Samira Hussein Excel is great to use from Microsoft office or Google has spreadsheets as well(which is free), both of those will help you keep track of your expenses.Take care!

With your concern on planning, Maybe look at available courses or tutorials on some project software.( In school it was Microsoft Project), most commercial builders will use Primavera, and online objects for residential like builderTREND and Foundation.

Microsoft Outlook is essentially an email client.

Microsoft Excel will do the work for us if we plug the numbers in:The fact that the NPV result is a negative number tells us that, if we were to make this investment (if we were to accept this deal), the value of the all the payments over the next 10.5 years in today’s dollars would be worth less than our $77,000 investment.  

Anyone using the Surface & Pen to sign leases or other documents with clients?  I was playing with one at the computer store today and it seemed to work pretty well.  The Surface is roughly the size of a piece of ...