EvernoteLet’s you save files in the cloud, including voice, photos and notes, and then lets you sync from multiple clients, including smartphones.
JingSnap a picture of your screen, annotate it, save it, share it. Record video on your screen, too.
LastPassFree password manager
Inbox2Combines all your inboxes. Send one message from all your addresses and read emails to all your addresses in one client.
Chandler The Note-to-Self Organizer 1.0Stay organized and productive with this complete system that puts together calendar, tasks and emails.
OpenOfficeThe open source alternative to Microsoft Office offers word processing, presentation, and spreadsheets.
ThunderbirdA client-based alternative to Microsoft Outlook.
ZohoProductivity and collaboration apps, including CRM, invoice, writer, spreadsheets, projects, presentation, database, reports, wiki, and planner, among others.
GmailA Gmail address is the cool address to have, and even some businesses are embracing the cloud-based email system.
Google CalendarGoogle’s cloud-based calendar program now also features synchronization with your Exchange calendar (with another download).
Acrobat.comAdobe’s online productivity app suite which includes presentation software, spreadsheets and documents, available for sharing online.
Ad-AwareA classic in the free anti-adware, anti malware category.
Advanced SystemCare Free (formerly known as WindowsCare Personal)Protect, repair, clean, and optimize your PC with just one click. Boasts over 50 million downloads since 2006.
AVG Free AntiVirusAnother classic free antivirus program.
Glary Utilities 2.21A secret favorite of IT pros, Glary offers cleaners for disk, registry, shortcuts and old programs, optimizers for memory and the registry. File shredder and undeleter, too.
PC DecrapifierDeletes much of the preinstalled software that clogs up your shiny new machine.
DoodleEvent scheduling software. Described as Evite for business.
DabbleboardOnline collaboration app and whiteboard.
Adobe ConnectNow online meetingsWeb conferencing and screen sharing on the web.
DimdimFree web meetings in a browser.
SkypeGranddaddy of one-on-one free video conferencing as well as VOIP calls from your computer.
Doubletwist 2.7iTunes-like mobile syncing for smartphones like Android and Blackberry.
Kindle for multiple clientsAmazon.com’s reader is available for the PC, Mac, iPhone, and is soon coming to an Android device near you.
BuxferFree online money management competing with Mint.com, another free one that was recently acquired by Intuit.
Free TetrisCloud-based version of the classic game Tetris. Relieve your stress. Fit shapes together. It’s all good.