1. Desktop Sharing
1.1. Two different utilities. Setup a VNC Server running on a particular computer and then use a VNC Viewer to connect into it. Can be linked with Hamachi to trick into being on the same network.
1.1.1. UltraVNC
1.1.1.1. http://www.uvnc.com/
1.1.2. TightVNC
1.1.2.1. http://www.tightvnc.com/
2. Imaging Tools
2.1. Gimp
2.1.1. http://www.gimp.org/
3. Security
3.1. Truecrypt
3.1.1. http://www.truecrypt.org/
3.1.2. Volume encryption utility. Can be used to encrypt Flash Drives and also can be set to encrypt a hard drive post Bios pre OS load.
3.2. KeyPass
3.2.1. http://keepass.info/
3.2.2. Used as a digital password vault. Stored in an individual file.
3.3. KeyFox
3.3.1. http://keefox.org/
3.3.2. Integration of KeePass with Firefox
3.4. LastPass
3.4.1. https://lastpass.com/index.php
3.4.2. Online encrypted password vault. Supports Firefox, Chrome, and Mobile browser integration. Authenticate session. SUpports password generation as well, and form fillout.
3.5. Securing VNC**
3.5.1. http://nodivisions.com/tech/vnc/
4. Databases/Database Tools
4.1. DBBrowser
4.1.1. http://www.etl-tools.com/database-browser
4.2. DBVisualizer
4.2.1. http://www.dbvis.com/
4.3. LibreOffice Base*
4.3.1. http://www.libreoffice.org/features/base/
4.4. MySQL
4.4.1. http://www.mysql.com/
4.5. PostGres
4.5.1. http://www.postgresql.org/
4.6. Sqlite
4.6.1. http://www.sqlite.org/
4.7. SchemaSpy
4.7.1. http://schemaspy.sourceforge.net/
4.8. SchemeSpyGUI
4.8.1. http://schemaspygui.sourceforge.net/
4.9. Pymsql
4.9.1. http://code.google.com/p/pymssql/
5. File Manipulation
5.1. 7-zip
5.1.1. http://www.7-zip.org/
5.1.2. Compression utillity for .zip, .7z, .rar, pretty much any archive file
5.2. Nas4Free
5.2.1. http://www.nas4free.org/
5.2.2. FreeBSD based Operating system that can be setup in a VM to function as a NAS with full interfacing options and security permissions etc etc
5.3. Clonezilla
5.3.1. http://clonezilla.org/
5.3.2. Backup utility. Can image drives and restore them, create backups.
5.4. Daemon Tools
5.4.1. http://www.daemon-tools.cc/
5.4.2. Used for drive/file manipulation and mounting/ imaging/editing etc etc
5.5. InfaRecorder
5.5.1. http://infrarecorder.org/
5.5.2. InfraRecorder is a free CD/DVD burning solution
5.6. ImgBurn
5.6.1. http://www.imgburn.com/
5.6.2. Aweomse GUI for burning/creating .iso files etc
6. Remote Connectivity
6.1. Terminals
6.1.1. http://terminals.codeplex.com/
6.1.2. Awesome application that allows for muti RDP sessions, and a single universal password to authenticate a session and have windowed/tabbed sessions.
6.2. Putty
6.2.1. http://www.chiark.greenend.org.uk
6.2.2. The best SSH / Telnet client. Super easy to use.
6.3. WinSCP
6.3.1. http://winscp.net/eng/index.php
6.3.2. GUI that allows for SFTP (Secure file transfer protocol)
7. Office Productvity
7.1. LibreOffice
7.1.1. http://www.libreoffice.org/
7.2. PDF Creator
7.2.1. http://www.pdfforge.org/pdfcreator
7.3. Notepad++
7.3.1. http://notepad-plus-plus.org/
7.4. Calibre
7.4.1. http://calibre-ebook.com/
7.5. Xmind
7.5.1. www.xmind.net
7.6. DebugMode Wink
7.6.1. http://www.debugmode.com/wink/
8. Internet Related
8.1. Firefox
8.1.1. http://www.mozilla.org/
8.1.2. Open source web browser with a lot of plugins
8.2. Filezilla
8.2.1. https://filezilla-project.org/
8.2.2. File transfer utility, used for FTP
8.3. Pidgin
8.3.1. http://www.pidgin.im/
8.3.2. Universal messenger client (AIM / ICQ / Facebook etc etc)
9. What is Open Source
9.1. Source code available as part of a download or linked for download
9.2. Free to redistribute, provided:
9.2.1. Original source code is left intact
9.2.2. Credit is given to the author
9.3. Free to modify and change to suit specific needs
9.4. Choose from among several different available licensing models
10. Other Productivity Tools
10.1. Dropbox
10.1.1. https://www.dropbox.com/
10.1.2. File syncing utility - not designed for backups but syncing across devices
10.2. Evernote
10.2.1. http://evernote.com/
10.2.2. Best note taking app ever! Supports tagging, Outlook integration, advanced search features, mobile integration, WEB CLIPPER add on is a MUST. Save all articles useful and "clip" them into your life's digital notebook
10.2.3. Supports Audio files / images as well. Can Hotkey screenshot button to save images into Evernote directory
10.3. CutePDF
10.3.1. http://www.cutepdf.com/
10.3.2. Easy addin to allow Printing to PDF file (creating PDFs from documents) for free
10.4. GadWin Print Screen
10.4.1. http://www.gadwin.com/download/ps_setup.exe
10.4.2. Fantastic printsceen application - very lightweight. Allows for Selected window area.
10.5. VirtualBox
10.5.1. https://www.virtualbox.org/wiki/Downloads
10.5.2. Similar to VMWare, works awesome and has fantastic Linux-OS support.
10.6. GnuCash
10.6.1. http://www.gnucash.org/
10.6.2. Fantastic Free Accounting Program
10.7. NiNite
10.7.1. http://ninite.com/
10.7.2. Easy way to install Windows Software and Update programs
10.8. Audacity
10.8.1. http://audacity.sourceforge.net/
10.8.2. Audio editor/recorder. Super easy to use