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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 14, 2026
A word puzzle game combining elements of crosswords and Sudoku.
A free, daily word puzzle game for entertainment.
Hacker News
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Jun 14, 2026
Lightweight C++23 S3 client
A small S3 client with no extra dependencies beyond libcurl and OpenSSL, developed as a C++ learning project.
Hacker News
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Jun 12, 2026
Claudinho: A CLI and MCP (Message Control Protocol) tool that displays live World Cup scores directly in a Claude Code statusline. Features include cached scores (no polling), a userPromptSubmit hook for mid-session updates during live matches, and options to view groups, standings, matches, and market signal info. It requires no signup, account, or data collection.
A fun, useful side project for soccer fans using Claude Code, providing real-time World Cup scores directly in their terminal without privacy concerns. Highlights seamless integration of external data into developer environments.
Hacker News
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Jun 11, 2026
Red Flag Warning zone-check tool for the East Bay
A web-based tool providing granular, location-specific information for Red Flag Warnings, including zone checks, evacuation zones, local weather, action checklists, and a buddy-check feature, addressing the over-broad nature of county-wide alerts.
Hacker News
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Jun 11, 2026
Brooks-Lint – AI code reviews grounded in classic engineering books
An AI-powered code review tool that enforces architectural principles derived from classic software engineering literature, specifically for improving code structure and elegance.
Hacker News
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Jun 11, 2026
Llmbuffer – Python library for cache-optimized LLM conversation history
A Python library designed to optimize cache utilization for LLM conversation history, particularly for agents with dynamic context, achieving >90% token cache hit rates.
Hacker News
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Jun 10, 2026
Maillune: An embeddable drag-and-drop email editor SDK, designed as a single component. It aims to provide custom email functionality to users.
A cheaper, more transparent, and 'out of the box' alternative to existing third-party email builders. It directly addresses the high costs, niche market, and feature paywalls associated with current solutions.
Hacker News
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Jun 6, 2026
Concord, a TUI client for Discord.
Discord in Terminal, offering a terminal-based alternative to the graphical Discord client with Vim-style keys and full customization.
Hacker News
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Jun 6, 2026
Omni, a local-first multimodal file search on macOS using a SOTA omni embedding model.
Local-first multimodal file search on macOS using a SOTA omni embedding model, indexing text, PDF, image, audio, and video.
Hacker News
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Jun 5, 2026
IgniteMS, a batch embedding engine built with Rust and TensorRT.
A highly optimized, cost-effective batch embedding engine capable of processing hundreds of millions of texts in minutes on multi-GPU setups, specifically addressing CPU-GPU bottleneck issues in high-throughput inference.
Hacker News
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Jun 4, 2026
Software 10BASE-T Ethernet and Wi-Fi router implementation in Rust on Raspberry Pi Pico 2 W.
Cheap, MCU-based, Wi-Fi router idea useful for 'low-rate IoT traffic.' A demonstration of pushing hardware limits and learning Rust on specific embedded platforms.
Hacker News
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Jun 3, 2026
Claudinho.xyz, a platform to find and install Claude skills.
Aims to increase AI adoption for non-technical people by making Claude skills discoverable and shareable, fostering a 'company brain' across departments.
Hacker News
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Jun 1, 2026
Mini static site applications, browser-based apps without custom backend infrastructure.
A method for building lightweight, backend-less applications for fun, leveraging client-side capabilities and external services.
Hacker News
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May 31, 2026
A scripting natural language, Babo, where source code is written in plain English and compiled/executed by an LLM.
A scripting natural language that works as intended, positioned as a scripting tool rather than a developer tool.
Hacker News
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May 29, 2026
Py-SQL-cleaner, a CLI tool for formatting SQL embedded within Python strings in Python files. It can find, format in place, or extract SQL, while skipping SQL dependent on runtime values or template expansion.
Solves the problem that existing Python formatters ignore embedded SQL and SQL formatters don't target SQL within Python files. Positions itself as a specialized tool for 'SQL cleanup problem' in Python codebases.
Hacker News
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May 27, 2026
Stumbleback, a Chrome extension.
StumbleUpon for hoarded bookmarks. It removes decision fatigue by randomly presenting unread bookmarks, encouraging daily reading habits with gamification elements like goals and streaks.
Hacker News
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May 27, 2026
Tasmap, a map tool.
Canva for Maps. It allows users to easily build beautiful maps without design or engineering effort, combining functions of articles, maps, and design.
Hacker News
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May 24, 2026
A method for running BitNet b1.58 (a neural network) directly inside DRAM by intentionally breaking DDR4 timing rules, utilizing custom memory controllers in FPGAs and leveraging undocumented DDR behavior.
A novel hardware-level optimization to overcome the 'memory wall issue' in computing, aiming to make memory-bound operations more competitive by reducing data movement, distinct from merging compute and memory into one silicon.
Hacker News
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May 20, 2026
LibreOffice-rs, a pure-Rust library and CLI for office document processing.
A significantly faster, dependency-free alternative to traditional LibreOffice components for reading, writing, converting, and rendering various office document formats.
Hacker News
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May 20, 2026
SharpSkill, a technical interview preparation platform.
A LeetCode alternative that provides additional insights into the technical interview process, potentially by incorporating "real interview outcomes."