youtube-dl comprehensive program for downloading youtube videos - terminal or GUI - with many options
Yandex Image Search (excellent image search & reverse image search too)
convertcase - convert the case of copy/pasted text
highlighter - extension for an online highlighter
HTtrack or webhttrack - download and preserve entire websites
Web to PDF - online webpage to pdf convertor
Print Friendly - extension to optimize webpages for Print and PDF format
Million Short - Million Short makes it easy to discover sites that just don't make it to the top of the search engine results for whatever reason
Archive web pages
https://archive.ph/ or,
https://archive.is
Do not use archive.org
Sci-Hub - Site for finding scientific papers for free - search with URL, or PMID / DOI codes, which are usually found in the info for the paper before the paywall.
https://www.timeanddate.com/
Tor Browser - Internet browser that protects against tracking, surveillance, and censorship
https://ricks-apps.com/osx/sitesucker/ - like Htrack for OSX
nsfwyoutube.com - watch age-restricted videos on youtube without signing in. Just paste nsfw in front of youtube in address-bar of the video
Jeffrey’s Image Metadata Viewer - view the meta-data contained in digital images
Fotoforensics - software that can help identify if a digital image has been edited with photoshop or similar software
DeepL Translator - Translate languages to english. Supposed to be better than google-translate, but the free version has a character limit.
Find EBooks (PDF, epub, mobi etc):
http://libgen.is/ ,
https://archive.org/ ,
https://z-lib.org/ ,
Mobilism (must make account), your source for apps and books
https://www.myanonamouse.net/login.php?returnto=%2F (membership required, acquired through scheduled interview)
Bypass Paywalls - see articles without a subscription (extension for chrome, Brave, chromium - also available for firefox)
Open Broadcaster Software - download in-progress, live-streaming videos
ArchiveBox - powerful, self-hosted internet archiving solution to collect, save, and view sites you want to preserve offline
Wallabag - self hostable application for saving web pages: Save and classify articles. Read them later. Freely.
Url Shortener - substitute long urls with a short code
Keepnote - note taking and organizing application that works on Windows, Linux, and MacOS X
WayBack Machine Downloader - Download archived webpages from wayback machine
Bypass Any Paywall - Prepend 12ft.io/ to the URL of any paywalled page (https://12ft.io/<URL>), and we'll try our best to remove the paywall and get you access to the article.