Curated Technology Directory • Verified Free-Tier Boundaries

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Benchmarked directory of essential software, developer APIs, databases, and cloud infrastructure. We independently audit pricing, free-tier thresholds, and alternative ecosystems.

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AI Tools

AI assistants, foundation models, agents & orchestration

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Claude

AI Tools

Freemium

An AI assistant for nuanced writing, architectural analysis and complex reasoning.

Free Tier Allowance Verified: February 2026

Access to Claude 3.5 Sonnet with dynamic session-based rate refresh every 4 to 5 hours; no credit card required.

200K+ token context window for book-length and repository-scale analysis. Interactive Artifacts UI for live React, HTML, and SVG rendering.

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ChatGPT

AI Tools

Freemium

A general-purpose AI assistant for writing, code synthesis, research, and analysis.

Free Tier Allowance Verified: February 2026

Unlimited access to GPT-4o mini, capped daily access to GPT-4o, and web browsing capabilities without a subscription.

Multi-turn conversational reasoning with web browsing synthesis. Sandboxed Python interpreter capable of handling file uploads and exports.

Full Specs & Alternatives Website