TigerUniversity

This is a nice one too not on the list: https://hackerdaily.io/

"The search functionality of FrogFind is basically a custom wrapper for DuckDuckGo search, converting the results to extremely basic HTML that old browsers can read."

Text-only version: https://text.npr.org/nx-s1-5720167

"FreezePage is a free service for taking online snapshots of web pages."

"Archive a webpage for scholarly or research purposes."

Original title: “How Tenaciously Palantir Courted Switzerland”

"Enter any URL and click Archive to preserve it."

A minimalistic directions service aimed at users of feature phones/dumb phones, terminal-based browsers, low-bandwidth connections, screen readers etc. Best suited for public transport directions. No JavaScript requirements.