Sponge
Sponge is A private library for articles and PDFs. Save copies, highlight passages, and use your own agent to analyze sources and write research.. It is ranked #908 on the AI Radar, in RAG & memory, first seen 6 days ago and shared in 2 posts (14.6k views).
Sponge: save, read, and research Skip to content sponge Open your library Theme Catppuccin Gruvbox Rosé Pine Tokyo Night Paper Appearance Light Dark System Save, read, and research with your sources Save articles and PDFs in a private library. Read, highlight, and make notes. Use your own agent to investigate the sources and develop your research. Ask your own agent: Find coral bleaching field studies with measurements. Save the ones you want to read. Open your library See how it works Sign in with your Sponge account, or create a new one. Your library starts private. Saving an article does not publish it. Loading preview… Saved material…
What people said about Sponge on X
this is what i'm building with 250B tokens/month using 28 AI subscriptions 14+ projects 📈 http://aicharts.io 🤖 http://textbutler.app 👻 http://ghostget.com 📇 http://peopleblade.com 📝 http://wordcell.io 📸 http://slopcamera.com 🟠 http://oompa.app 📊 http://lifecharts.io 🧽 http://sponge.computer 🐟…
— @hraness, 6 days ago · 52 likes · see the post
celebrating a big milestone: i hit 250B tokens/month, and i launched my software factory tonight i took a break from the agents to make some music, sat down on the couch and made this: "pikabori". astra directed the music video using https://slopcamera.com sound on 🔊
— @hraness, 6 days ago · 20 likes · see the post
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Sponge in numbers
- Rank on the AI Radar: #908 of 1192
- Shared in 2 posts by 1 account: @hraness
- 14.6k views on those posts
- First seen 6 days ago, last shared 6 days ago
- Pricing seen by Jev: not stated
- Market: RAG & memory
FAQ
What is Sponge?
A private library for articles and PDFs. Save copies, highlight passages, and use your own agent to analyze sources and write research. It was first shared on X 6 days ago and is ranked #908 on the AI Radar.
Is Sponge free?
Pricing is not stated on the page we read.
Who shared Sponge?
1 account on X, including @hraness, in 2 posts totalling 14.6k views.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 27.2k posts from 4.8k X accounts over the last 14 days, 1.2k tools, 19 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-19 18:40 UTC. Full method.