Surf the Internet securely on an open-source web browser.

the most popular open-source web browser ...you synchronize your open tabs, browsing 

Plays most multimedia files as well as DVDs, Audio CDs, VCDs, etc.

is a free and open source cross-platform 

A free open-source file archiver that supports a wide range of formats.

its totally free, open-source nature...7-Zip installed to open them. Plus ...anything. It’s free, open-source, and highly effective 

A free source code editor and Notepad replacement.

in “free beer”) source code 

Create images of your optical discs and access them via well-organized catalog.

DAEMON Tools Lite 10 allows you to mount all known types of disc image files and emulates up to 4 DT + SCSI + HDD devices. It enables you to create images 

WinPcap is a tool to allow applications to capture and transmit network packets.

under the BSD open source licence. Programmers...The binary and source code 

It is designed for word processing, presentations, graphics and databases.

OpenOffice.org is an office suite designed for word processing, spreadsheets, presentations, graphics and databases. It lets you create mathematical equations 

Collaborate on projects and create versioned backups.

Audacity lets you collaborate on projects, create versioned backups, and easily share and publish your work. Audacity supports all major audio formats, allowing 

GIMP is a free versatile graphics manipulation package

GIMP is a free versatile graphics manipulation package. Each task requires a different environment and GIMP allows you to customize 

The email, calendar, and contacts app that maximizes your freedom.

Thunderbird is the email, calendar, and contacts app that maximizes your freedoms. Access all your messages, calendars, and contacts in one fast app