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Product Radar
A unified feed of emerging software, developer tools, and early-stage market launches.
Hacker News
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Jun 13, 2026
Diffcat, a TUI for Git diffs.
A focused, GitHub-style Git diff TUI, offering a 'delightful' experience compared to other existing tools. Includes unique stats like contributor rank and AI agent usage.
Hacker News
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Jun 13, 2026
MicroECS, an entity component system (ECS) library in Python/NumPy.
A solution to performance bottlenecks in traditional OOP game/simulation development, specifically for managing many scene objects, by leveraging columnar data storage and vectorized operations.
Hacker News
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Jun 12, 2026
Buildy: A platform for deploying personal applications integrated with AI agents. It provides an API and MCP (Message Control Protocol) for agents to call ES modules with optional UI/CSS. Apps run on a workerd isolate with a persistent KV store and are accessible via a live URL. It supports inline rendering in AI chat clients (ChatGPT, Claude) via iframe.
Solves the problem of repetitive infrastructure setup (authentication, database, API/MCP server) when building personal software for AI agents. Positions itself as a streamlined solution to 'deploy personal apps with your agent.'
Hacker News
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Jun 11, 2026
Picosky – A Bluesky client for PICO-8
A Bluesky social network client implemented within the severe constraints of the PICO-8 fantasy console, demonstrating the feasibility of combining GPIO with sockets for network interaction.
Hacker News
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Jun 11, 2026
Catalyst Maze: biotech trading game
A biotech trading game designed to teach basic portfolio management concepts, specifically focusing on improving investing performance beyond asset-specific "edge."
Hacker News
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Jun 10, 2026
Tapflow – self-hosted iOS/Android simulator streaming for mobile QA
A self-hosted solution for streaming iOS/Android simulators, designed for mobile QA, focusing on addressing simulator access problems and optimizing latency via MSE → WebCodecs/WASM.
Hacker News
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Jun 10, 2026
A terminal-based writing environment with Git-backed item-level versioning, End-to-End Encrypted (E2EE) synchronization, and temporal search.
A fully encrypted, focus-oriented writing environment that solves Git's note-tracking problem with UUIDs, offering E2EE sync and requiring no Git expertise.
Hacker News
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Jun 9, 2026
fontliberator, an automatic font clean-room reimplementor.
A tool to legally reproduce typefaces by automatically reimplementing font software, navigating US copyright law.
Hacker News
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Jun 9, 2026
A minimal, ad-free World Cup web app for fixtures and live scores.
A streamlined, ad-free alternative to bloated sports apps, specifically tailored for World Cup fixtures and live scores, prioritizing user experience and data clarity.
Hacker News
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Jun 8, 2026
Typol, a static typing layer for Polars DataFrames.
A tool to enforce columnar schemas and type safety in Polars expressions statically, addressing maintainability burdens and runtime errors common with dynamic dataframes, particularly for production data processing pipelines.
Hacker News
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Jun 7, 2026
Resonate, a system for low-latency, high-resolution spectral analysis using self-tuning filter banks derived from phase vocoder literature.
Offers low-latency, high-resolution spectral analysis by uniquely combining known phase vocoder techniques, yielding 'incredibly satisfying' results like super-resolution spectrograms and re-synthesis experiments.
Hacker News
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Jun 7, 2026
Quincy, a local-first PDF reader for Mac with AI-powered study features (summarization, quizzing, text-to-speech) and enhanced navigation.
A 'beautiful and local-first PDF reader for studying dense things' on Mac, offering AI features to 'talk' to text, create quizzes, get summaries, and read aloud, addressing focus issues and limitations of existing readers like Preview.
Hacker News
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Jun 6, 2026
StructOCR – an AI-powered OCR API for extracting structured JSON data from complex documents.
An AI-powered OCR API designed to extract highly structured JSON data from complex documents like global passports, invoices, and shipping containers, with Python and Node.js SDKs.
Hacker News
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Jun 6, 2026
A simplistic UI for iterating with an LLM on Decision Matrices, based on Rich Hickey's 'Design in Practice'.
For making it easier to iterate with an LLM on Decision Matrices.
Hacker News
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Jun 5, 2026
A benchmark for LLM agents fixing real-world security vulnerabilities (CVEs).
A quantitative evaluation of LLM agent performance and cost-effectiveness in automated security vulnerability patching, using real-world CVEs and sandboxed environments.
Hacker News
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Jun 4, 2026
Hydron, a hardware-aware coding agent for embedded engineers.
AI tool that writes datasheet-grounded code for your hardware. Solves 'hallucinated register addresses, generated code for peripherals that don't exist... mixed up timer quirks.' Pre-indexed 580+ platforms, allows custom context indexing, integrates with editor/terminal.
Hacker News
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Jun 4, 2026
Piece, an AI-powered mobile app for settling small couple arguments. It provides an impartial analysis of each side's points and a verdict, with optional tones (witty, theatrical, sarcastic, counsellor).
A gamified, 'malicious' experience for day-to-day arguments, distinct from couple therapy apps. It aims to bring peace through apologies, leveraging AI for impartial analysis and entertainment.
Hacker News
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Jun 3, 2026
Sedon, a node-based 3D generation application inspired by Blender/Houdini, developed with LLM assistance.
An experiment in 'vibe coding' to demonstrate AI's capabilities in generating 3D environments from small data, suitable for web-based applications.
Hacker News
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Jun 3, 2026
AI-Powered PDF to Markdown Converter.
Turns complex PDFs into clean Markdown for human review and AI tool consumption.
Hacker News
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Jun 2, 2026
A Go microservices framework leveraged to build an AI Agent CLI.
A foundational framework for building extensible AI agent CLIs, emphasizing ease of creation (150 lines).