Brainy
Open-source, learning app built around spaced repetition
What it does
Brainy is a powerful active learning app combining notebook-style notes, flashcards, and the FSRS spaced repetition algorithm. Generate AI-powered study cards, sync across devices, and remember more — effortlessly.
Does the same job
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BrainFeedJul 2026 · scrollbrainfeed.com · ▲125A personalized learning feed that redirects your scroll


- FVFlowery – Vocabulary builder powered by LLM and spaced repetition2024 · flowery.app · ▲21
Dear hackers: Whether English is your first or nth natural language, you may be familiar with this vexing experience: You encounter a flowery word in a book, podcast, or HN comment; you endeavor to memorize it to hone your speech and writing; you purge it from your synapses by the next day. Flowery (https://flowery.app) streamlines vocabulary building by: • Rendering a typographically pristine Oxford dictionary and thesaurus. • Conjuring up the stochastic parrot to eliminate the tedium of flashcard creation. • Scheduling the flashcards with a spaced repetition algorithm. About the…

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- NW
Hey HN, Henry here from Cactus. We open-sourced Needle, a 26M parameter function-calling (tool use) model. It runs at 6000 tok/s prefill and 1200 tok/s decode on consumer devices. We were always frustrated by the little effort made towards building agentic models that run on budget phones, so we conducted investigations that led to an observation: agentic experiences are built upon tool calling, and massive models are overkill for it. Tool calling is fundamentally retrieval-and-assembly (match query to tool name, extract argument values, emit JSON), not reasoning. Cross-attention…
Life & fun · May 2026 · github.com
- FM
Dev tools · May 2026 · github.com