Pulsn
Live market data, automatically synced to Notion
What it does
Most alternatives are crypto-only, or very hard to set up — requiring you to configure multiple data providers and expensive API keys yourself. Others lock basic features behind a paywall. Pulsn covers stocks, ETFs, funds, forex, and crypto in one place. It syncs not just prices but richer metrics — 24h change, volume, market cap, and more. Multiple databases, multiple currencies, no code required. A generous free tier means anyone can get started without commitment.
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We built a data feed oracle to write prices on-chain, and it’s live on the Ropsten test network! In Decentralized Finance (Defi), you can build your own financial instruments and you often need an oracle to write off-chain prices onto the blockchain. We built an oracle focused on data feeds because the current options are too expensive and slow for regularly, repeating data. This oracle is designed for price feeds and uses public key encryption to validate the data submitted is accurate. We modeled our oracle off of MakerDao and generalized the design to work with any datafeed. We’re…
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Launched alongside, April 2026
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With social media and now AI, its important to keep the indie web alive. There are many people who write frequently. Blogosphere tries to highlight them by fetching the recent posts from personal blogs across many categories. There are two versions: Minimal (HN-inspired, fast, static): https://text.blogosphere.app/ Non-minimal: https://blogosphere.app/ If you don't find your blog (or your favorite ones), please add them. I will review and approve it.
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