⚡️A browser extension that takes you to a random site from one of the awesome curated lists. Like good ol' StumbleUpon, for developers, tech & science lovers.

StumbleBar by StumbleUpon

PHP class to get social share count for Delicious, Facebook, Google+, Linkedin, Pinterest, Reddit, StumbleUpon and Twitter.

Written in GO lang, this project is a wrapper API on popular social sites and returns share count of a given url

Bot for AddMeFast updated 2016. It work with the most popular Social Network.

An app that uses JS to generate a random site from a list when a 'surf' button is clicked.

Source code for the Unstumble Chrome Extension

r4b1t h0L3 is a random discovery engine with 53,869+ curated URLs.StumbleUpon for OSINT and cybersecurity. No algorithm, no tracking, runs entirely in-browser. Surfaces threat intel platforms, security blogs, OSINT tools, and onion sites (Tor required). Just GO, VISIT, or SKIP. A chaotic gateway to niche tools you’d never find otherwise.

Extracted & parsed StumbleUpon data

Turn the entire open web into one endless, swipeable feed - Chrome extension (MV3, zero dependencies)

Its time to make the internet weird but personal again. (StumbleUpon for 2025)

Predict which pages are evergreen and can shown to users on StumbleUpon irrespective of Time

Build a classifier which will evaluate a large set of URLs and label them as either evergreen or ephemera

AI-powered web discovery engine — a modern StumbleUpon successor that finds weird, wonderful, and niche corners of the internet based on your mood. Built with Next.js, Hono, tRPC, Celery, FastAPI, and Azure AI Foundry.

https://stumblecafe.com