1. Communication tools
1.1. Email tools
1.1.1. 10 Minute Mail
1.1.2. ActiveInbox
1.1.3. AwayFind
1.1.4. bccthis
1.1.5. Bluetie
1.1.6. Eyejot
1.1.7. Fuser
1.1.8. Gmail
1.1.9. IzyMail
1.2. Newsletter tools
1.2.1. eNewsletter Manager
1.2.2. GetResponse
1.2.3. LetterPop
1.2.4. Newsberry
1.3. SMS/txt tools
1.3.1. SMSBlaster
1.3.2. Clickatell
1.3.3. GroupMe
1.3.4. oh, dontforget
1.4. Live chat tools
1.4.1. Chat4Support
1.4.2. Whos On
1.4.3. LivePerson
1.4.4. OggChat
1.5. Voice groups
1.5.1. Gong
1.5.2. TalkShoe
1.5.3. Voxopop
1.6. Discusion forum tools
1.6.1. Phorum
1.6.2. phpBB
1.6.3. PanFora
2. Personal Productivity Tools
2.1. Search engines and discovery tools
2.1.1. dogpile
2.1.2. Find that File
2.1.3. Incollector
2.1.4. Quintura
2.2. Research/Personal study tools
2.2.1. EndNote
2.2.2. Knowledge Notebook
2.2.3. Visuwords
2.2.4. WordWeb
2.3. Personal organizers
2.3.1. Evernote
2.3.2. UberNote
2.4. Personal mindmapping
2.4.1. Cmap
2.4.2. Nelements
2.4.3. Text2Mindmap
2.5. Computing utilities
2.5.1. Auslogics Duplicate File Finder
2.5.2. Copernic Desktop Search
2.5.3. YouConvertIt
2.5.4. Recuva
2.5.5. LangOver
2.6. Personal productivity tools
2.6.1. Google Calendar
2.6.2. Watch that page
2.6.3. InstaPaper
2.6.4. Clipperz
2.6.5. Achieve Planner
2.7. Personal notebook tools
2.7.1. anotepad.com
2.7.2. Zulupad