GeeTeeDee

A different task manager

Seacow

Integrate task and contact management

NixNote

Open source version of Evernote

Turtl

Task and notes manager focused on privacy

CherryTree

Save your notes with this complete program

Google Tasks

Control Google Tasks from your desktop

RedNotebook

A personal diary with dozens of interesting options

Flowkeeper

Manage to finish all your tasks on time

Pagico

Very functional task planner

LeaderTask

Personal task organizer

XorTime

Manage your tasks and the time you spend on them

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

Todoist

Create and complete task lists

Efficient Lady's Organizer

Personal organizer focused towards women

Simple Sticky Notes

Program to create notes and reminders

Voicemeeter

Audio mixer that allows you to change your voice

ACID Xpress

The free version of one of the best sound editors around

Music Editor Free

Complete music editor that offers professional results

WaveMax Audio Editor

Complete and appealing audio editor

PolderbitS Sound Recorder and Editor

Two practical and lightweight audio tools

BestPractice

Change the tempo and tone of any song in real time

Skype Voice Changer

Disguise your voice when using Skype

Mp3Doctor

Enhance the sound of your audio files

Kangas Sound Editor

Create your own music from scratch

MP3 Workshop

Work with your MP3 files

Sofonesia MP3 Clipper and Joiner

Simple tool to cut and join MP3 files

Sonic Visualiser

Inspect the contents of your audio files

AudioQuick Editor

Quickly learn to edit your audio files

mp3DirectCut

A simple and efficient MP3 file editor

MP3 Dynamic Range Analyzer

Analyze the dynamic range of your audio files