XorTime

Manage your tasks and the time you spend on them

Seacow

Integrate task and contact management

Flowkeeper

Manage to finish all your tasks on time

RedNotebook

A personal diary with dozens of interesting options

NixNote

Open source version of Evernote

Google Tasks

Control Google Tasks from your desktop

CherryTree

Save your notes with this complete program

GeeTeeDee

A different task manager

pin 'em up

The best software to create notes and reminders on your PC

iQ-Notes

Create notes with ease and organize all your tasks

Pagico

Very functional task planner

Simple Sticky Notes

Program to create notes and reminders

Efficient Lady's Organizer

Personal organizer focused towards women

CreativeNotes

Create safe and organized notes for PC and Pocket PC

Todoist

Create and complete task lists

LeaderTask

Personal task organizer

TV-FOX

More than 2,500 TV channels live from Firefox

Buffer

Share on social networks the web contents you visit

WebMail for Thunderbird

Use Thunderbird to manage your webmail

Adblock Plus for Firefox

Block Internet adverts

Sparky Alexa Toolbar

Have Alexa's information in your browser

Video DownloadHelper

Download videos from the Internet by means of Firefox

Adobe Flash Player (Chrome, Firefox & Opera)

The web multimedia player

Ank Pixiv Tool

Download manga images from Pixiv

User Agent Switcher

Tool to switch the user agent used

Zotero

Complete manager for citations

Shockwave Player

The add-on to play multimedia Flash contents in 3D

FireShot

Take screen captures from Firefox

Bookmark Duplicate Detector

Eliminate you duplicate bookmarks from your favorite browser

IE Tab

View websites as if you visited them with Internet Explorer

Autofill Forms

Fill in forms automatically