
MotMark - Gesture Trails & Mockup
Create stunning device mockups & gesture demos for your app
What it does
MotMark is a developer-first tool for pro mockups and gesture demos — no design skills needed. Mockups: iPhone, iPad, Apple Watch, MacBook, iMac — mix freely. Pre-built templates, layer control, gradients, custom shadows. Save your own templates for reuse. Gestures: Add beautiful tap/swipe/pinch trails to product demos. Full gesture coverage, customizable styles, intuitive touch recording, and frame-level refinement. Built for developers who care about every pixel.
Does a similar job
all alternatives →More dev tools this month
the category →



OpenTrailPaper is open-source bike computer firmware for the LilyGO T5S3 4.7" E-Paper PRO. It supports offline maps, GPX routes, FIT recording and Bluetooth sensors.
Dev tools · 2d ago · opentrailpaper.com

Open-source GTM skills for technical founders
Dev tools · 30d ago · gtmcofounder.com

Launched alongside, May 2026
the whole month →

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