Open-source projects in Alternative Frontends that exist because someone reverse engineered a closed product. Most-starred: searxng, searx, Whoogle Search, ytfzf, yattee.
Search and filter this category →POSIX script to search and play YouTube videos without an API key
YouTube frontend for iOS, tvOS and macOS built on Invidious and Piped
Open-source YouTube app for Android using NewPipeExtractor
Privacy-friendly YouTube frontend that scrapes YouTube directly
Lightweight YouTube client for Linux (CLI and GTK)
Material Design YouTube client built on the Invidious API
Alternative YouTube Music frontend in SvelteKit using the internal API
Clean, minimal self-hosted YouTube frontend
Android/PWA build of FreeTube, a private YouTube client
Browser-based YouTube client that fetches pages directly, no Google JS
Alternative frontend for Ultimate Guitar tabs
Libre frontend for Quora
FOSS alternative frontend for IMDb
Private alternative frontend for Genius lyrics
Private Stack Overflow frontend without tracking
Alternative privacy-focused Goodreads frontend
Lightweight alternative frontend for Reuters
Wayback Machine frontend for old browsers
Privacy-focused proxy frontend for Medium
Alternative frontend for Genius focused on privacy and simplicity
Third-party Pixiv viewer web app
Privacy-respecting Pinterest frontend
Alternative Pinterest frontend
Privacy-focused alternative Imgur frontend
Rust rewrite of the Omgur Imgur frontend
Alternative frontend for booru image boards
Alternative frontend for pixiv
Alternative frontend for Gelbooru
Lightweight alternative Pixiv frontend
Alternative Pinterest frontend
Metasearch engine that scrapes and aggregates results from many search services
Privacy-respecting metasearch engine (predecessor of SearXNG)
Self-hosted ad-free Google search proxy that scrapes results
Search engine frontend that scrapes Google results
JavaScript-free privacy meta search engine scraping Google and others (LibreX)
Self-hosted privacy Google metasearch engine with API (scrapes Google results)
Privacy-respecting metasearch engine scraping Google and others
Proxy search engine that scrapes Google, Bing, DDG and more
Alternative frontend for Google Lens
Lightweight privacy-respecting Tumblr frontend
View Bluesky threads without an account
Alternative Pastebin frontend
Alternative frontend for Coub
Alternative frontend for PBS Kids videos
Alternative frontend for Baidu Tieba
Frontend for browsing and searching Amazon on any regional TLD
Lightweight privacy-respecting SoundCloud frontend
Alternative frontend for TikTok (PHP) built on a reverse-engineered TikTok API
View TikTok videos without the TikTok app or tracking
Share TikToks Safely. No Ads, No Spyware, No Phone App.
Alternative Instagram frontend (discontinued) that scraped Instagram pages
Privacy-respecting Instagram frontend
Alternative Instagram frontend focused on privacy
Alternative frontend for Threads
Alternative web client for Reddit
Self-hostable, read-only Reddit client/frontend
Alternative Reddit frontend inspired by Nitter (Python, Starlette)
Apollo-inspired anonymous web viewer for Reddit
Self-hosted, privacy-first Reddit frontend with a persistent archive — stealth API access keeps what it fetches, so y...
Account-free, privacy-oriented Reddit client for Android
Privacy-focused Reddit frontend without JavaScript
Alternative frontend for Google Translate using scraped results
Android frontend to Google Translate via SimplyTranslate
Translation frontend aggregating Google, DeepL, Yandex and others
Alternative frontend for Google Translate, Reverso and others
Web interface for SimplyTranslate, a privacy frontend to Google Translate and others
Frontend for Google Translate, Yandex, DeepL and DuckDuckGo Translate with opt-in JavaScript
Twitch player and browser for Android using Twitch's GraphQL API
Alternative open-source Twitch client for Android
Privacy-respecting Twitch frontend
SafeTwitch backend that queries Twitch's private GraphQL API
Alternative Twitch frontend
Maintained fork of Fritter: account-free Twitter client for Android
Twitter client for Android using the guest/private web API, no account
Alternative Twitter/X frontend
Alternative frontend for Twitter/X
Android app that redirects social media links to alternative frontends
Host privacy frontends (Invidious, Redlib, Nitter, etc.) locally instead of public instances
Auto-updated list of alternative frontend instances
Alternative frontend for LBRY/Odysee (archived)
Documentation for Librarian including reverse-engineered Odysee/LBRY API docs
Web music player frontend streaming from YouTube Music
Backend for Hyperpipe that proxies the YouTube Music InnerTube API
Simple alternative front-end for Bandcamp
Alternative privacy front-end for GitHub written in Go