Show HN: Groundhog AI Spring API

For anyone building weather-related AI apps, I am releasing an exciting iteration on last year’s model.

My Groundhog API is trained on 130 years of data and makes use of 82 separate data sources. Similar to DeepSeek, it is completely open source and free to use.

The primary use case is to make inferences about whether spring will come early or not, using a Mixture of Exports (MoE) approach, but surely others can be found if you are creative.

Other use cases: - All predicting groundhog

6mo | Hacker news
Show HN: Hollow – A Customizable Digital Workspace

The project is a modular, fully customizable digital workspace designed for those who want complete control over their tools. Instead of being locked into predefined workflows, it lets you create, style, and organize tools as cards that seamlessly integrate into your workspace.

- How the Project Works

    Tools - the app's core functionalities are it's tools, for example a notebook, kanban, webview...
    Limitless Customization - Styling the tools as i refer to each instance 
6mo | Hacker news
Show HN: Modest – musical harmony library for Lua

This is a project I've been building in my spare time over the past few months. It's a library that provides methods for working with musical harmony ‒ intervals, notes, chords. For example, it can parse almost any chord symbol (Fmaj7, CminMaj9, etc) and turn it into notes, or it can identify a chord from a given set of notes.

I started this project with the idea of using formal grammar to parse chord symbols. I wanted to use it instead of a hand-written parser, which is the common approac

6mo | Hacker news

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