addons.mozilla.org

https://addons.mozilla.org/en-US/firefox/addon/downthemall/
https://addons.mozilla.org/en-US/firefox/addon/single-file/
https://addons.mozilla.org/en-US/firefox/addon/download-all-sources/
https://addons.mozilla.org/en-US/firefox/addon/link-gopher/
https://addons.mozilla.org/en-US/firefox/addon/save-link-to-current-tab/
https://addons.mozilla.org/en-US/firefox/addon/copyfish-ocr-software/
https://addons.mozilla.org/en-US/firefox/addon/url2clipboard/
https://addons.mozilla.org/en-US/firefox/addon/duckduckgo-for-firefox/
https://addons.mozilla.org/en-US/firefox/addon/tweetright/
https://addons.mozilla.org/en-US/firefox/addon/copy-link-text-webextension/
https://addons.mozilla.org/en-US/firefox/addon/word-count-tool/
https://addons.mozilla.org/en-US/firefox/addon/multitabx/
https://addons.mozilla.org/en-US/firefox/addon/copytabtitleurl/
https://addons.mozilla.org/en-US/firefox/addon/duplicate_tab/
https://addons.mozilla.org/en-US/firefox/addon/edit-with-notepad/
https://addons.mozilla.org/en-US/firefox/addon/epubreader/
https://addons.mozilla.org/en-US/firefox/addon/saveasebook/
https://addons.mozilla.org/en-US/firefox/addon/top-and-bottom-scroll-buttons/
https://addons.mozilla.org/en-US/firefox/addon/save-url-to-wayback-machine/
https://addons.mozilla.org/en-US/firefox/addon/error-404-wayback-machine/
https://addons.mozilla.org/en-US/firefox/addon/save-to-the-wayback-machine/
https://addons.mozilla.org/en-US/firefox/addon/wayback-machine_new/
https://addons.mozilla.org/en-US/firefox/addon/web-archive-org-button/
https://addons.mozilla.org/en-US/firefox/addon/nice-try-scribd/
https://addons.mozilla.org/en-US/firefox/addon/improved-history/
https://addons.mozilla.org/en-US/firefox/addon/webextensions-history-browser/
https://addons.mozilla.org/en-US/firefox/addon/clear-browsing-data/
https://addons.mozilla.org/en-US/firefox/addon/tabby-window-tab-manager/
https://addons.mozilla.org/en-US/firefox/addon/dark-mode-webextension/
https://addons.mozilla.org/en-US/firefox/addon/clearurls/
https://addons.mozilla.org/en-US/firefox/addon/export-tabs-urls-and-titles/
https://addons.mozilla.org/en-US/firefox/addon/how-long-to-read/
https://addons.mozilla.org/en-US/firefox/addon/audio-voice-sound-recorder/
https://addons.mozilla.org/en-US/firefox/addon/zoom-redirector/
https://addons.mozilla.org/en-US/firefox/addon/zoom-new-scheduler/
https://addons.mozilla.org/en-US/firefox/addon/visited-link-enabler/
https://addons.mozilla.org/en-US/firefox/addon/temp-mail/
https://addons.mozilla.org/en-US/firefox/addon/use-google-drive-with-librejs/
https://addons.mozilla.org/en-US/firefox/addon/youtube-ad-auto-skipper/
https://addons.mozilla.org/en-US/firefox/addon/video-downloadhelper/
https://addons.mozilla.org/en-US/firefox/addon/copylinksplusplus/
https://addons.mozilla.org/en-US/firefox/addon/save-to-medium/
https://addons.mozilla.org/en-US/firefox/addon/adblocker-ultimate/
https://addons.mozilla.org/en-US/firefox/addon/researcher-app/
https://addons.mozilla.org/en-US/firefox/addon/go-to-sci-hub/
https://addons.mozilla.org/en-US/firefox/addon/sci-hub-scholar/
https://addons.mozilla.org/en-US/firefox/addon/sci-hub-doi
https://addons.mozilla.org/en-US/firefox/addon/kopernio/
https://addons.mozilla.org/en-US/firefox/addon/bibitnow/
https://addons.mozilla.org/en-US/firefox/addon/yt-to-mp3-converter-ytmp3/
https://addons.mozilla.org/en-US/firefox/addon/selectionsk/

TRANSLATOR
https://addons.mozilla.org/en-US/firefox/addon/traduzir-paginas-web/