Show HN: Odozi – open-source iOS journaling app https://ift.tt/XGjbig8

Show HN: Odozi – open-source iOS journaling app Yeah I know I hate the name too but I wasn't about to pay up for odyssey.app. It's an open source project so feel free to poke around with it / fork it. I talk about it more on the marketing website, but a few of us have been using it for the past month and kind of fun. Obviously there will be a slew of issues / feedback / nits that come from this, but c'est la vie. GH is here: https://ift.tt/yl7JRt5 https://odozi.app April 25, 2026 at 07:52PM

Show HN: I'm 15 and built a cryptographic accountability layer for AI agents https://ift.tt/VSo86tr

Show HN: I'm 15 and built a cryptographic accountability layer for AI agents i'm 15 and a sophomore in high school in california. for the past two weeks i've been building a protocol that lets you prove what an AI agent actually did. not just log it. prove it. signed receipts before and after each action, hash chained, verifiable by anyone. this week microsoft merged my code into their agent governance toolkit. twice. happy to answer questions about how it works. https://ift.tt/Du7cfB4 April 24, 2026 at 10:56PM

Show HN: #1 On This Day https://ift.tt/VP5zOyb

Show HN: #1 On This Day https://onthisday-theta.vercel.app April 24, 2026 at 08:12PM

Show HN: Agent Vault – Open-source credential proxy and vault for agents https://ift.tt/2pN0JCV

Show HN: Agent Vault – Open-source credential proxy and vault for agents Blog post: https://ift.tt/4W29sw3... https://ift.tt/jc9Vh0Z April 22, 2026 at 08:25PM

Show HN: Tron Hilbert Curve Macro https://ift.tt/4t1JiLE

Show HN: Tron Hilbert Curve Macro is it useful? probably not! https://ift.tt/PTjD3YB April 24, 2026 at 12:24AM

Show HN: AgentSearch – Self-hosted search and MCP for AI agents, no API keys https://ift.tt/U8q7Qxu

Show HN: AgentSearch – Self-hosted search and MCP for AI agents, no API keys https://ift.tt/IjF4QXA April 23, 2026 at 10:25PM

Show HN: Ghost Pepper Meet local meeting transcription and diarization https://ift.tt/TcEMvKs

Show HN: Ghost Pepper Meet local meeting transcription and diarization 100% local & private transcription engine for macOS. Captures & does speaker diarization. Originally was building as its own app, but can leverage same local models from my original push-to-talk voice transcription product so combined them into one app. https://matthartman.github.io/ghost-pepper/ April 22, 2026 at 11:19PM