Show HN: Google Gemini Is Scanning Your Photos – and the EU Said No https://ift.tt/mhu6TlW

Show HN: Google Gemini Is Scanning Your Photos – and the EU Said No Google has expanded its Personal Intelligence feature so that Gemini can now access your Google Photos face data, Gmail, YouTube history, and search activity to generate personalized AI images — live for US paid subscribers as of April 2026. https://ift.tt/CX9vzdO... April 19, 2026 at 06:36AM

Show HN: Shader Lab, like Photoshop but for shaders https://ift.tt/YkvgQxj

Show HN: Shader Lab, like Photoshop but for shaders https://ift.tt/nhY3NFT April 16, 2026 at 07:32AM

Show HN: Prompt-to-Excalidraw demo with Gemma 4 E2B in the browser (3.1GB) https://ift.tt/b8RxKCQ

Show HN: Prompt-to-Excalidraw demo with Gemma 4 E2B in the browser (3.1GB) https://teamchong.github.io/turboquant-wasm/draw.html April 19, 2026 at 01:17AM

Show HN: Open Passkey – open-source passkey auth with free "backendless" host https://ift.tt/vYWL1iG

Show HN: Open Passkey – open-source passkey auth with free "backendless" host I, like Andrej Karpathy, became super frustrated by how annoying it was to deploy projects that were previously an absolute joy to make with Claude Code. That is why I made open-passkey, an MIT licensed passkey repo with support for 33 languages and frameworks (examples included) that makes adding simple secure auth to a project easy. We are also releasing gateway ( https://ift.tt/duaZGpn ) a "backendless" hosted auth server that frontend apps can consume for free so that you can ship a React or Angular app using a CDN like Netlify without needing to configure a server at all. We are willing to freely share the resources of an AWS t.large instance which should easily support millions of accounts & sessions. This decision was made to improve our velocity when it comes to shipping small apps (it should go without saying that this is not designed for large apps). Open-passkey prioritizes post-quantum algorithms, though they are not supported by browsers yet. On top of Gateway, we also built a simple end-to-end encrypted key value store modeled after localStorage. A simple setItem() and getItem() API that uses PRF with passkeys to store encrypted values on gateway with zero config. This, again, was made to improve our velocity to securely add API keys and stuff to frontend apps without needing to pay for a server to host. Obviously gateway is completely optional and exporting out your users public keys is supported with rp_id verification via domain TXT records. https://ift.tt/ysZCM1D April 18, 2026 at 02:12PM

Show HN: Solyto – a free, open-source all-in-one personal management app https://ift.tt/PugJ8CG

Show HN: Solyto – a free, open-source all-in-one personal management app https://solyto.app April 18, 2026 at 05:10AM

Show HN: Llama.cpp Tutorial 2026: Run GGUF Models Locally on CPU and GPU https://ift.tt/BubhcOK

Show HN: Llama.cpp Tutorial 2026: Run GGUF Models Locally on CPU and GPU Complete llama.cpp tutorial for 2026. Install, compile with CUDA/Metal, run GGUF models, tune all inference flags, use the API server, speculative decoding, and benchmark your hardware. https://ift.tt/L1IwpX7... April 17, 2026 at 02:37PM

Show HN: Link Shortener – Itlinks.me https://ift.tt/hoOvNIS

Show HN: Link Shortener – Itlinks.me https://itlinks.me April 18, 2026 at 01:10AM