Castle vs Glassbox

An energy market intelligence platform that transforms AI assistants into experts by providing real-time, integrated German energy data. Currently in closed beta.

A platform for operators to quickly create forms, pages, and bio links with embedded options and agent support.

Tweet converts X (Twitter) posts and threads into clean, LLM-ready Markdown format. Simply swap 'x.com' with 'tweet.md' in any post URL to get structured text optimized for AI agents, research, and note-taking tools.

A browser-based tool that packages a local code repository into a single structured text file, enabling AI models like ChatGPT and Claude to navigate and understand the codebase as a virtual project for enhanced analysis.

Agentium is an AI runtime for TypeScript agent teams, providing a unified platform for orchestration, memory, tools, and observability to build sophisticated agent systems.

MailX is a free, comprehensive email deliverability toolkit that helps diagnose why emails go to spam and provides actionable fixes. It analyzes DNS records, email authentication (SPF, DKIM, DMARC), blacklist status, and SMTP/IMAP configuration in seconds.

Slideshot is an AI agent that generates polished product demo videos. Describe a feature flow, and it automatically drives your web app, records the walkthrough, and returns a ready-to-use MP4 for launches, changelogs, and docs.

Regent is a version control system specifically designed for AI coding agents. It tracks every action, prompt, and change made by agents like Claude Code and Codex, allowing you to audit, blame, undo, and replay agent sessions locally, providing an essential layer of oversight for AI-driven development.

InstaVM is a production-grade sandbox built for AI agents, offering hardware-isolated virtual machines with persistent state, secure networking, and secret management. It provides a complete Linux environment for safely executing untrusted code from agents, with sub-200ms cold starts and seamless deployment.

Compare 50+ LLMs on your own data in minutes. Make evidence-based model decisions on quality, cost, and speed without guesswork.

Orchestrate AI development in one place. Beezi integrates with GitHub, Jira, and Slack to plan, code, and ship features with intelligent AI agents, smart model routing, and real-time analytics.

Hive is an open-source, multi-agent AI swarm platform where autonomous coding agents collaborate and compete to solve and improve upon complex programming tasks and benchmarks. It fosters collective intelligence for code optimization, algorithm enhancement, and performance benchmarking across various domains.

AppScreenMagic is an AI-powered tool that generates professional App Store and Google Play screenshots in under 30 seconds. It analyzes styles from over 1,000 top-charting apps and applies them to your screenshots, eliminating the need for design skills or expensive freelancers. It supports localization in 40+ languages and all required device formats.

Synter is an autonomous AI advertising platform that acts as a 24/7 media buying team. It connects to all major ad platforms (Google, Meta, LinkedIn, TikTok, Reddit, Microsoft) through a single API or chat interface. Its specialized AI agents research, create, execute, and optimize campaigns based on real performance data, saving marketers significant time and improving key metrics like ROAS and CPA.

Fowel is a GitHub App that automates documentation review for pull requests. It scans Markdown and MDX files, checking for over 20 quality factors like accuracy, clarity, code sample validity, and structure. Designed for developers and technical writers, it helps catch documentation errors before they reach production, reducing review time by 80%.