
SystemDecoder — Understand System Behavior Through Simulation
Learn system design by simulating real-world behavior. Visualize latency, load, failures, and system flow interactively.
@Fahadh_4444 · X
This is FIGMA FOR SYSTEM DESIGNS
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Learn system design by simulating real-world behavior. Visualize latency, load, failures, and system flow interactively.
@Fahadh_4444 · X
This is FIGMA FOR SYSTEM DESIGNS

Echo – Fable-level results at 1/3 the cost using open-weight models
adam_rida · HN
Echo – Fable-level results at 1/3 the cost using open-weight models

A high-performance ecommerce interface with real-time cart synchronization and unified product filtering.
@abdur4code · X
Just shipped the frontend for the NovaCart high-perf ecom with real-time cart sync, slide-over drawer & unified filters. Stack: React + Redux + Tailwind + Axios + RHF + protected routes Live: Open to SE roles. Let’s connect #BuildInPublic

Open-source, OpenFeature-native feature flags you self-host in five minutes. No server, no database, no bill, and multiple languages work on day one through their own OpenFeature p
@Flaghoistdev · X
Open source solution for rolling feature flags

Monitor uptime for multiple websites and services.
@builldsystems · X
- uptime monitoring built for indie hackers juggling multiple side projects.

Monitor AI and LLM applications with token tracking, cost analysis, and latency metrics.
ephraimduncan · HN
Observability for Coding Agents and LLM Applications

Independent model readings, explicit disagreement, human decision gates, and verifiable research receipts.
@chatmouthai · X

Get your next task by dumping thoughts and rating them by energy level.
@paintedchaosdev · X
I've been building For when you just can't start anything. Dump all your thoughts, AI breaks it down, rate each one, then based on your energy level one task at a time. Has an overwhelm mode to help you regulate when things are just too hard. LIVE!!

Manage equipment rentals, payments, and inventory tracking in one system.
@ShakibMd93031 · X
Built an Equipment Rental Management System to simplify rentals, payments, and equipment tracking. Looking for businesses interested in a demo or a customized solution.

@CricTalk29 https://t.co/I7BJ3bPTmL https://t.co/9eoMFb1ct2
@imjawith · X

Task queue for AI coding agents to request and complete work over MCP protocol.
JulianQuinn · HN
Show HN: TaskPeace – a task queue my AI coding agents pull work from over MCP

Transfer files and text between devices using light, offline and without accounts.
@0xajc · X
我做了一个不需要 Wi-Fi、蓝牙的文件传输工具 —— “LumaDrop”,它可以让两个设备在同时离线、且不接入 USB 的情况下进行文件传输,非常适合敏感信息的传输,如:助记词、私钥、私密照片…… 网站: Github(已开源):