The B2B Software Power Law 2026: How Concentrated the Market Really Is

Software feels infinite until you count it, and then a pattern appears that is anything but even. We measured how the tools in our catalog distribute across categories, and the market turns out to obey a power law: a handful of enormous categories hold most of the tools, and the majority of categories are small niches. If it feels like every problem has a thousand tools, that is because a few problems do. Most have a few dozen.

This is a structural companion to our Most Crowded Software Markets report, which ranked competition. This one measures concentration.

Methodology

We counted published tools per category (9,960 tools across 306 categories with at least 8 tools, as of August 4, 2026). Because a tool can belong to several categories, we report category membership rather than unique tools, so the totals describe how tools distribute across categories, not a deduplicated headcount. Concentration figures are share of total membership held by the largest categories.

The head: a few giant categories

A small number of categories dominate. These are the ten largest by tool count.

These ten categories hold 32% of all catalog membership. Extend to the top 25 and you reach 51%. The head is horizontal by nature: developer tools, productivity, analytics, and the AI categories are broad enough to absorb thousands of products because they touch every company.

The long tail: where most categories live

Now the other side. The median category holds 40 tools, and 172 of 306 categories, 56%, have fewer than 50. These are the specific, well-defined niches: patient scheduling, tenant screening, freight and cargo, grants management. They do not accumulate thousands of tools because the addressable market for each is a slice of an industry, not the whole economy.

This is why the "too many options" complaint is misleading. It is true if you are shopping for a note-taking app or an AI assistant, where the giant horizontal categories genuinely offer hundreds of substitutes. It is false in most of the market, where a category has a few dozen tools and a buyer can realistically evaluate the serious contenders in an afternoon.

What it means

For buyers, locate yourself on the curve before you start. If your category is one of the giants, do not try to survey it; narrow to a sub-need immediately, because the full list is unmanageable and mostly irrelevant to you. If your category is in the long tail, the opposite holds: the credible field is small enough to evaluate exhaustively, and doing so is worth it because the differences between a few dozen tools are knowable.

For builders, concentration is a positioning decision. Entering a head category means fighting for a sliver of attention against a thousand rivals, so a sharp niche is survival. Entering a long-tail category means less traffic but a real chance to be one of the few names a buyer considers, which is often the better trade.

We refresh this report quarterly. To browse any category directly from your own agent, see Toolradar for AI Agents.