Leszek Życzkowski

About me

Developer Information
Name Leszek Życzkowski
Location Warszawa
User since March 5, 2007
Number of add-ons developed 16 add-ons
Average rating of developer's add-ons Rated 4 out of 5 stars

Add-ons I've created

Latin Dictionary

Latin dictionary

Rated 5 out of 5 stars (7)
2,134 users

Modern Download Manager Requires Restart

Modern Download Manager add-on gives you total control over every aspect of your downloads and modern design.

Rated 5 out of 5 stars (30)
5,898 users

Return Receipt Toolbar Button Requires Restart

Allow you to add a Return Receipt button to mail compose window toolbar.

Rated 4 out of 5 stars (11)
5,278 users

Internote Requires Restart

Persistent and private sticky notes for Firefox.

See below for information about Firefox Quantum (Firefox 57).

Rated 4 out of 5 stars (157)
1,581 users

External Application Buttons 2 Requires Restart

Lightweight add-on to create toolbar buttons that launch various external applications.

Rated 5 out of 5 stars (25)
24,902 users

My Reviews

Quizzes

Rated 5 out of 5 stars

Very funny quizes.

macfox3

Rated 4 out of 5 stars

I like this theme. Good work.

This review is for a previous version of the add-on (1.0.1). 

Tab Mix Plus

Simply the best Rated 5 out of 5 stars

Fantastic booster for tab browsing. Fantastic extension for tab browsing.

This review is for a previous version of the add-on (0.3.6). 

Adblock Plus

Fantastic addon Rated 5 out of 5 stars

The best addon.

This review is for a previous version of the add-on (0.7.5.5). 

ChatZilla

Not yet rated

My favorite IRC client.

This review is for a previous version of the add-on (0.9.81). 

Brief

The best! Rated 5 out of 5 stars

The best news reader in the word!!

This review is for a previous version of the add-on (0.8).