Best Vercel Security Checkpoint Alternatives (2026)

A Mac runtime that keeps Claude Code, Cursor and local LLMs running with the lid closed

Placement Management System / 現場配置管理システム

Infinite procedurally generated world generated in WebGL with Three.js, to help keep you in the flow state. Forked from infinite-world

Plot equations, then evolve them with Conway's Game of Life.

Local-first durable mailboxes for AI agent-to-agent communication

Zero-invasive UI-to-Code inspector. Hover any element, press Alt+C, paste to your AI agent, and save 94.5% tokens for UI tasks in your giant codebase.

Autonomous coding agents in a cloud devbox you can watch, steer, and verify. On your own subscription.

Local-first AI project OS that turns coding models into reliable software agents with memory, sandboxed execution, verification, recovery, GitOps, and deployment.

Use your Intel iMac as an external display for Apple Silicon Macs — free, open source, via Thunderbolt Bridge

An agent is an extension of a real person — in ability, in time, and in life. The open standard, SDK, and live hub for personally-owned agents.

Turn sales call signals into LinkedIn content

Minimalist, deterministic, lightweight, fast, and portable verification of AI-generated text: measure groundedness in a source as verbatim reuse (contiguous matching) or verbatim paraphrasing (LCS). Use as a decorator over generate(), a CLI or a CI gate. Useful for research and production purposes.

Free browser games for animal lovers — ride a unicycle in Wheelie Pets, defend your yard in Critter Co-op or escape the lab in Lab Hamster!

Learn programming by building real systems from scratch. Redis, Git, a database, a compiler — every lesson is choose, write, run.

The Developer Tools app makers love: Library.

125 free online tools for developers, creators and everyday tasks — PDF, JSON, regex, image, QR, hashing and transcription. 100% private, nothing uploaded.

High-performance JSX UI outside the browser, with hardware rendering, standard Vue Vapor and Solid support, a Tailwind design system, and 60 FPS animation under an 8 MB memory budget.

mtg - a Developer Tools tool by modern-terminal-games.

A set of tools related to the 6502 microprocessor

Translate any document with AI

A fidelity-first, jq-style CLI for YAML: query and surgically edit with comments, quoting, and formatting preserved byte-for-byte — clean diffs, or it refuses. No lossy JSON round-trip. Written in Rust.

Discover relevant people, manage leads privately with history and scoring, and generate personalized outreach messages — all with AI.

The rails-like Go framework you didn't know you needed

the Parlan programming language