
PrestaBook
Manage personal loans without spreadsheets
What it does
PrestaBook is a local-first loan tracker. No account, no server, your data stays on your device encrypted with your PIN. What's different: works offline, encrypted Google Drive backup (your cloud, your data), PDF receipts without a backend, Google Calendar reminders, 31 languages. Built for tracking loans to friends, family, or clients — without spreadsheets.
Does the same job
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Launched alongside, May 2026
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Parallel agents, diff reviewer, and multi-model comparisons
Dev tools · May 2026 · kilo.ai


- 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