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Show HN: Programmable timer web app (for gym workouts or stretching sessions) Over the last couple of months, I’ve been building a timer web app for myself that I use for workout and stretching sessions. My main use-case is gym routines that consist of repeatable sequences, e.g. where you are holding certain positions for a set time (rinse and repeat). The app counts down the program, beeps, and reads the activities out loud. Two things (I suppose) are special about it: - The timers are “programmable”, so you can freely express your own routines and procedures in a declarative notation. - The app is all static (no backend): the entire program is encoded in the URL and can be bookmarked or shared/transferred via QR-code. You can check it out at https://ift.tt/F6HfUSy , optionally with a demo program pre-loaded: https://ift.tt/lD2Yqv9 . Source code is at https://ift.tt/SCJIhbD . I’ve also written up a small behind-the-scenes on my blog: https://ift.tt/nTAavDj https://ift.tt/F6HfUSy ...

Show HN: Mooneva Cycle – Offline period tracker with no servers and no accounts Data stays encrypted on your device (PBKDF2/AES-GCM), no internet permission, nothing to breach or subpoena. GPL-3.0, TypeScript/React + Capacitor. Android & iOS. https://ift.tt/iOc8bUA August 13, 2026 at 12:40AM

Show HN: StarryKit – MCP for editable slides, posters and all visual designs https://ift.tt/RLYJhva August 12, 2026 at 11:34PM

Show HN: Pulp – Zero-allocation C11 telemetry engine (28M logs/SEC to disk) https://ift.tt/hKxmkO0 August 12, 2026 at 12:15AM

Show HN: HyperSAE – Hyperbolic Sparse Autoencoders for LLM Interpretability https://ift.tt/ZzTR84j August 11, 2026 at 11:49PM

Show HN: Proxima serves 4x more requests with no hardware change on vLLM hey everyone, i decided to make a vLLM plugin that implements the Star-KV paper. the results are quiet promising with a decode kernel thats faster than FA2 in higher batch sizes. would love any thoughts and recommendations https://ift.tt/vuUfbpx August 11, 2026 at 08:34PM