AI Tools Directory: 2,652+ AI Tools to Compare in 2026

# ToolDirectory.AI > ToolDirectory.AI is a curated registry of AI tools published as a quarterly editorial publication. Currently Vol. 4 · Issue 21 (last reviewed 2026-06-27). Every listing is hand-reviewed, dated, and re-tested by our editors — pricing, model versions, and lifecycle status are kept current. Retired and acquired tools live in the Graveyard so the catalog reflects what's actually shipping. ## Browse - [Top 100 tools](https://tooldirectory.ai/top-100-ai-tools): The flagship editorial list, grouped into four tiers (flagships, category leaders, rising stars, hidden gems). Re-checked quarterly. - [All categories](https://tooldirectory.ai/top-ai-categories): Browse the full catalog organized by use case. - [Current issue](https://tooldirectory.ai/best-ai-collections): Editorial collections, latest issue at the top. Themed, cross-category cuts. - [The Graveyard](https://tooldirectory.ai/ai-graveyard): AI tools that shut down, were acquired and sunset, or were acquired and kept shipping. Hand-reviewed and dated. - [Research](https://tooldirectory.ai/research): Original data reports on the AI tool landscape, including AI tool mortality. Free to cite (CC BY 4.0). - [Glossary](https://tooldirectory.ai/glossary): Plain-English definitions for AI terms (RAG, MCP, embeddings, agents, etc.). ## Latest collections - [Best AI Genogram Makers (2026)](https://tooldirectory.ai/best-ai-collections/best-ai-genogram-makers): The best AI genogram makers in 2026, compared: GenogramAI, Creately, GenoPro, and MyMap.AI — for clinical accuracy, team collaboration, and free drafts. - [Best AI Image Editors & Upscalers (2026)](https://tooldirectory.ai/best-ai-collections/best-ai-image-editors-and-upscalers-2026): The best AI image editors and upscalers in 2026, ranked: Topaz Photo AI, Magnific, Remove.bg, PhotoRoom and more for upscaling, retouching, background removal. - [Best AI Search Engines (2026)](https://tooldirectory.ai/best-ai-collections/best-ai-search-engines