Layer vs Lessong

One API for prediction markets. Find markets, stream normalized data, place orders, and track positions across Kalshi and Polymarket. Hi HN, I'm David. I built Layer, an API + SDK or building trading bots/ai agents across prediction markets.The idea came from something i kept running into while playing with trading bots. Once your bot needs access to more than 1 venue, you suddenly have to deal with different market schemas, contract definitions, prices, fees and APIs before you can reason about where to trade. That gets messy real fast, especially with prediction markets. The same real-world event can exist on Kalshi & Polymarket, but the contracts can be represented differently.Here's my broader thesis:...

Turn any song into a language lesson: each lyric line is spoken, then translated, over an instrumental loop of the song, followed by the real song. - eschnou/lessong A CLI that turns a mp3 into a language lesson with clearly spoken words and subtitles. This fully automated pipeline mimicks an old radio show called 'Plan Langue' popular for teens in the 80s to learn english. Check the video demo in the readme.