Part of building the Alt-Net involves leveraging the available tools and services on the Legacy Internet. This includes online tools, downloadable freeware and downloadable "freeware". This thread is a repository of various freely available tools & services both online and offline. Once I get enough content in this thread I'll make a tagged database of them.

Speaking of tagging, here's a couple relevant tools

https://booru.org/create
https://hydrusnetwork.github.io/hydrus/

And some more examples of what I mean by tools and services:

Screen Scrapers / Downloaders

https://youtube-dl.org/
https://chrome.google.com/webstore/detail/image-downloader/cnpniohnfphhjihaiiggeabnkjhpaldj
https://www.parsehub.com/
https://anything2mp3.cc/

Encryption
https://kde.org/applications/en/utilities/org.kde.kleopatra

Image Manipulation
https://photoscissors.com/

Multimedia Tools
https://www.onlinevideoconverter.online/

File Sharing
https://ufile.io/

Proxy Servers
https://www.proxysite.com/

Bypass Youtube Content Restrictions
https://hooktube.com/

Meme Generator
https://memegenerator.net/create

Decoders / Encoders
https://hexdecoder.com/
https://www.base64decode.org/
https://cryptii.com/
http://encoders-decoders.online-domain-tools.com/