useful links

pronunciation

   The University of Iowa Phonetics Flash Animation Project clearly demonstrates consonants and vowels:

•    http://www.uiowa.edu/~acadtech/phonetics/

• go to the website and download the mobile app

speaking

   EnglishCentral has amazing video content graded at different levels.

   It uses speech recognition technology that actually works well ! 

   This is worth a visit. 

   Paid registration is required for serious use.

   http://www.englishcentral.com/

vocabulary

EIKEN MILLIONAIRE

Eiken Millionaire is a challenging vocabulary game.    

This is a tough challenge, but it's really interesting.    http://www2g.biglobe.ne.jp/~saido/eitango/zeroq5/zeroq5.cgi 

INFORMATION TECHNOLOGY - audio editing

AUDACITY

Audacity is a free, open-source powerful application used for audio editing and recording. It's a widely popular and easy to use once you get used to it. Highly recommended.

Regular program    --- https://www.audacityteam.org/download/
Portable program  --- https://portableapps.com/apps/music_video/audacity_portable

INFORMATION TECHNOLOGY - audio editing

TAGSCANNER

TagScanner Portable is a free, portable software used for organizing and managing music files by editing metadata, including tags, renaming files, and generating playlists. This is a real timesaver.

https://www.portablefreeware.com/index.php?id=1427

INFORMATION TECHNOLOGY - audio editing

FOOBAR2000

Foobar2000 is a customizable audio player software, offering high-quality playback and extensive file format
Customizable is the operative word here... it's really useful and the option for installing a portable  version is available too...
https://www.foobar2000.org/download

BPM analyzer add-on  ( Windows 32 bit version only )
To install... file > preferences > components: install >  select the  BPM analyzer add-on and click apply
https://www.foobar2000.org/components/view/foo_bpm