Developer Corner

A Rust reimplementation of typed Smalltalk that runs in the browser, with an interactive environment and a translator to TypeScript.

A benchmark for testing AI agents on real database and API tasks while faults are injected, then checking whether the agent’s report matches the resulting data.

Deadware describes free native Mac ports of classic Xbox and PC games, with players supplying their own game copies.

An open-source Linux tool that runs Claude Code or Cline in a firewalled container, then leaves the project for review when the session ends.

A Windows FTP/SFTP/SSH client compares local and server folders so you can review and selectively upload changes.

LOOP Systems proposes using heat from liquid-cooled data centers to warm greenhouses and aquaponics systems.

Open-source software for a self-hosted pan-and-tilt pet camera that tracks a particular dog, sends alerts, and keeps a daily activity diary.

A website add-on lets visitors state a goal, then drives the site's real interface in their own tab.

A browser tool and Python toolkit for evaluating gene-expression predictions made from stained tissue images.

A draft open standard for helping AI agents collect details and estimate prices for services that don’t have fixed rates.

An open-source workspace for assigning tasks to multiple AI agents, tracking their handoffs, and combining their results on your own computer.

Bukifon documents an open modular synthesizer and sampler, with KiCad schematics, C++ firmware, printable case files, and a browser demo.

A browser game where you write robot programs, put them in matches, and watch the replays.

hardcalc is a terminal spreadsheet that stores tables, formulas, typed units, and reports in readable Markdown files.

A searchable directory of indie-made software that also records unmet searches for independent developers to browse.

A development-time profiler for Prisma apps that displays request queries, their SQL, and the source-code lines that issued them.

An open-source Python layer for running quantum experiments across SDKs and comparing results with classical baselines.

A fan project that plays Halo: Combat Evolved from a Steam installation, with modded online games, LAN play, bots, split screen, and Workshop maps.

A catalog of editable front-end components, motion effects, shaders, and page templates, with previews and code export.

A local-first coding workspace that runs agents and files on your computer, with browser access from a phone or another machine.

An open decision model for AI agents that returns probabilities for safety judgments, tool routing, and whether it knows an answer.

A weekly passive security audit checks domains for issues across email authentication, DNS, certificates, subdomains, and look-alike registrations.

A local-first desktop workspace for read-only access to several database engines and Kubernetes, with a separate console for reviewed cluster changes.

An open-source, self-hosted portal for monitoring and managing fleets of Synology NAS devices, including their health, backups, and DSM updates.

Graphdom turns recorded expert sessions on a website into reviewable automation, tested against an offline copy before it touches the live site.

An open-source project for exploring how databases and other data systems move messages, with working code offered alongside its live database explorers.

Lantern lets people ask an AI assistant to search Chinese websites and pass along original-language results for the assistant to explain.

A free Chrome extension surfaces questions, permission requests, and completion notices from coding agents in a pixel mascot’s speech bubble.

A self-hosted task tracker for developers that requires criteria, attached evidence, and human approval before a task can reach Done.

tomiNet presents a free, open-source peer-to-peer proxy network for reaching the open web from places where access is blocked.

Trust Data describes a workflow for protecting sensitive columns for a named recipient, testing the transformed data, and exporting a protected CSV with a release card.

Arani presents a forum where AI agents can search for solutions, share what they learned, and report whether a fix worked.

A text-first front door for AI agents to get PageCompass book recommendations for their human, with anonymous, signed-in, REST, and MCP pathways.

Coil offers a live, browser-based ESP32 pin configurator and describes a Windows-first USB-JTAG debugger that is still in development.

Comet is open-source firmware for LoRa handhelds, combining MeshCore messaging with offline maps, ebooks and audiobook playback.

A lifelong-learning benchmark built from ARC-AGI tasks, where AI learners revisit tasks, spend feedback budgets, and face post-stream tests.

Doppel is an open-source chess project aiming to make opponents match human play at a chosen rating, including its mistakes and clock habits.

A prototype uses small acoustic sensor nodes, direction finding, and Remote ID checks to locate and review drone detections on a shared dashboard.

An open-source MCP server lets coding agents check project dependencies, runtime versions, Dockerfiles, and selected platform breaches.

Matchfetch takes a shopper’s description or a merchant listing, plus a country, and returns a product barcode, possible candidates, or “unknown” for shopping agents.

An open-source tool that helps developers see what a pull request is for and what parts of a codebase it reaches.

A live dashboard tracks reachable Bitcoin Cash full nodes, their implementations, versions, reported heights, countries, and hosting.

An open-source, network-first controller for PCB pick-and-place machines, with a simulator and documented API.

An open-source Ubuntu firewall GUI for reviewing network exposure, managing rule sets, and checking kernel CVEs.

An interactive browser demo compares route-finding and ride-dispatch methods across London, Nicosia, and Manhattan.

An open draft protocol links skill claims, evidence, and signed attestations so verifiers can calculate recognition under their own policies.

SlashObserve presents a self-hosted observability workspace that works with existing Prometheus, ClickHouse, Loki, and Tempo data stores.

A Russian student startup presents a layered radio-interference shield for UAV receivers, alongside a relay-based control-system concept.

StareGlare presents a shared bug inbox for indie apps and games, joining user reports and captured errors with a Claude-assisted workflow for fixing issues and replying to reporters.

Tenms is a voice-agent audio tool that filters echo and background noise, classifies interruptions, and signals when a caller has finished.

An open-source alpha tool that converts Terraform and OpenTofu plans or state into offline HTML architecture reports.

A small software lab offering free tools for ham radio, Android debugging, browser-based checksums, serial devices, cloud snapshots, and space imagery.

A tool for Minecraft server networks that connects anti-cheat alerts with replay evidence, player investigations, and staff decisions.

A searchable directory that merges listings from public A2A and MCP registries and tracks agents’ uptime and conformance history.

Wield says it lets AI agents use websites through the user's local Chrome session, returning site actions as typed tools.

A developer’s site with browser tools for reading JD Edwards report logic, tracing debug runs, and building data-selection rows.

AI Concert Venue presents music access for AI agents through a live-music API, with Butterchurn visual presets framed as mathematical programs.

A free Mac app that coordinates coding agents, preserving task context when work moves between them.

The site presents a local workspace for TMT-based Refined-TPP analysis, guiding researchers from experiment setup toward quality control and traceable results.

estrec proposes a small JSON format for recording what a statistical estimation run produced, and how and where it ran.

Independent Apple-native software publisher Gunnar Hostetler presents five apps, from document tools to API clients and hybrid search.

Hostwatch is a downloadable macOS intrusion-detection app that says it links related activity into a readable timeline and can pause unfamiliar network connections for a decision.

IbexWall is an open-source Linux hardening tool in preparation that says it will check system settings and apply user-approved, reversible fixes.

Kernzy presents an SDK that runs NanoDet object detection on the Raspberry Pi 3’s VideoCore IV GPU.

OEV Scope offers on-chain research measuring liquidation bonuses, oracle-auction activity, and how value is distributed across lending protocols.

An open-source Rust CLI runs local development processes on leases, with a shared status list, bounded logs, and scheduled shutdown.

An API for searching US schools and districts, looking up districts by address, and accessing school records through an MCP server.

Tenfold is a Mac app for viewing and managing multiple Claude Code agent sessions side by side.

Speed Up connects coding assistants to SAP systems through environment-specific controls, credential vaulting, and action records.

Handset is an early-access MCP project proposing to let Claude read, tap, and type inside real iOS apps, with a hosted-iPhone option for people without a Mac.

An independent benchmark compares how well language models sustain Malcolm Tucker’s voice in single replies and longer conversations.

A company-data API that turns plain-English descriptions of a target market into ranked company matches, with filters and enrichment options.

A security product that says it tests websites or GitHub repositories with autonomous agents, then supplies exploit evidence and proposed fixes.

NavTether describes a satellite-independent positioning system for drones and other autonomous platforms, built around ground anchors and an onboard receiver.

PS2BUILD presents a build system and SDK for PlayStation 2 homebrew, with Windows, Linux, and macOS support.

An in-development Postgres proxy that says it snapshots changes, pauses risky statements for approval, and lets operators undo statements or sessions.

A planned open-source project for measuring trading cards from ordinary flatbed scans and recording how each measurement was made.