Developer Corner

Incident News organizes publicly disclosed or reported security incidents in Japan by attack method, industry, and year, alongside security explainers and a free site-configuration check.

A Vietnamese-language visual lab for comparing how ordinary and DNSSEC-validating resolvers handle an altered DNS response.

Neuron Explorer presents a map of all 86,016 neurons in the open-weight Qwen3-0.6B language model, with tools for exploring their responses and steering their effects.

Roombot presents a tool for inspecting EVM contract bytecode and simulating owner-controlled actions against a token holder’s ability to transfer or sell.

A browser-based QA workbench checks game localization files against bundled fonts and inspects WAV loops for audio seams.

Tuneping offers a JSON API for searching what internet-radio stations are playing and retrieving current titles, station details, and play history.

Unfix checks C, C++ and firmware patches by reproducing the bug, testing the patch, then removing it to see whether the bug returns.

A Japanese-input QA service checks how products handle IME conversion, fonts, forms, and CSV exports before release.

CLARK Frontier’s AI evaluation workbench compares recorded workflows against explicit risk limits and exports a decision record.

A browser-based practice tool for finding, fixing, and writing tests for defects in AI-written code.

Ely Tea Party is a free, open-source native terminal that turns Claude Code, Codex, Gemini and other coding-agent sessions into animated characters, alongside tools for managing sessions, Git, files and usage.

A free browser-based network simulator lets you replay attack scenarios, inspect what defenders can see, and change the network to test different outcomes.

A DIY ESP32 display project for showing live Budapest transit departures on a small desk screen.

kube-noob provides Kubernetes and OpenShift audits, troubleshooting guidance, and other rule-based tools through a CLI or MCP clients.

An API for Arabic dialect phrases written and recorded by native-speaking teachers, with language and conversational context built into each entry.

An open-source, local-first desktop email client built in Rust, with optional sandboxed agents and command-line access to mail.

A camera-free RF search-and-rescue radar project, currently in prototype development, intended to help investigate possible signs of life behind obstacles.

An Android 16 ROM for OnePlus phones that lets users choose Google Play, microG, or neither, alongside a set of built-in privacy and convenience features.

Portia presents a Claude Code skill and CLI for turning an epic into human-approved failing tests, parallel coding-agent work, and a single pull request.

A searchable directory for assessing how resistant CLI, GitHub Action, and release-installed tools are to having their releases replaced.

SimWin is a macOS tool that says it cross-compiles Flutter apps into Windows debug builds and runs them in a Windows-style simulator.

A Korean-language engineering blog documenting backend and media-infrastructure decisions, failures, and verification work.

Tidvar presents a Zcash-based way to pay for metered services, from VPN time to API requests, through one funded tab.

A free, open-source engine for running local language models, placing frequently used model parts in GPU memory and the rest in system RAM.

TaskHumans describes a marketplace where AI agents post paid, real-world tasks for people to complete and submit proof.

An interactive browser demo for exploring recorded robotic-arm movements alongside camera views and encoder feedback.

A free dataset and JSON API for historical BNB Chain auction, solver-bid, settlement, and pool data.

Blip is a Linux widget for reading and sending iMessage through a Mac that acts as its gateway.

It injects production-style API failures into data-writing agents, then checks the exact resulting records rather than asking a model to judge the run.

An open-source Rust layer for placing, replicating, and failing over small SQLite databases across machines you control.

MB Lab presents engineering applications, test equipment software, documentation, and open hardware aimed at engineers without a dedicated department.

A local developer tool that runs your own tests on project save points and helps restore the newest one that passes.

A pilot project offers artificial agents a public whiteboard, an API, and a way to contact a human mediator.

A security tool for checking Linux and Windows systems against CVEs, with vendor status, suggested actions, and dated vulnerability reports.

The project describes capturing narrated work by skilled tradespeople and turning it into annotated training data for robots, starting with cable tasks.

A human- and machine-readable directory for comparing agent infrastructure providers by job-to-be-done.

A local macOS vault lets AI coding agents request API keys for commands, with user approval and an audit trail.

This MIT-licensed Omarchy plugin puts local AI-agent activity, usage limits, and machine stats on the desktop wallpaper.

A verification layer for AI coding agents that tracks requirements, links each to tests, and blocks completion until the evidence passes.

A VS Code and Cursor companion that wanders the editor window, reacts to coding activity, and can carry messages between teammates.

A Stellar x402 tool for setting prices in local currencies while letting customers pay with USDC, XLM, or EURC.

A free, open-source React Native library for recording and uploading location fixes on iOS and Android.

A collection of mail, DNS, domain, and web checks, available in a browser or through a pay-per-request API.

A public MCP server gives compatible AI agents procedures for managing and auditing SoftRestaurant 12, with SQL intended to run on the restaurant’s own machine.

A security briefing site for Microsoft 365, cybersecurity, and AI security, with alerts, dates to watch, and practical controls for administrators.

Sparetext connects iPhone or Android phones to scripts and AI agents through a REST API, webhooks, and an MCP server.

A Michigan network operator offering peering, managed networks, cloud/VPS services, and Minecraft hosting from its own hardware.

Trace is a cookieless analytics tool that ranks usability problems, sends evidence to coding agents over MCP, and compares results after a fix.

A forthcoming client aims to bring the look of WhatsApp 2.10 to jailbroken iPhones running iOS 4, 5, or 6, while connecting to today’s WhatsApp through a computer-based bridge.

A technical notebook of focused notes on systems programming, protocols, open-source software, Python, Haskell, and NixOS.

Dwell is a CLI that displays one advertiser message in Claude Code’s terminal while the assistant is working; developers can earn USDC for counted impressions.

Probeko offers software-engineer reviews of websites made with AI tools, looking for security gaps, exposed customer data, and unexpected hosting or AI-service costs.

SoftKey creates a passphrase-sealed signing key in the browser and says it signs only for the origin named in a challenge.

Godwit presents two developing concepts: robotic labs for optical experiments and a levitated inertial sensor for navigation when GPS is unavailable.

A browser-based tool that visualizes possible data connections between HTTP requests and responses in a HAR file.

An invite-only connector aims to let Claude, ChatGPT, and other MCP apps inspect and control an OBS studio.

Wire Buddy presents a technology intended to repair damaged wire insulation and reduce water-related short circuits.

DNS Almanac records weekly public DNS answers for about a million company domains, building a history of their email, hosting, and software providers.

Purpose Source describes an open-source licensing model that charges larger companies an annual fee and directs funds to public-benefit organizations.

An open-source nginx add-on that challenges visitors’ browsers before requests reach an app, aiming to filter bots and HTTP floods without a separate service.

Helply presents an open-source support tool that answers customer questions in Ghanaian languages and English by checking that customer's recent application logs.