There are more marketing tools than ever, and picking the "best" one in each category is the wrong problem to solve first. A flawless stack of disconnected tools produces the same as a misaligned team: a lot of work, little result. What decides the outcome is not which tools you own, it is how they connect. Still, it helps to map the categories a B2B operation needs to cover.
The right question when evaluating any tool is not "is it the best in its category?", it is "does it connect to the rest of my system?". A mid-tier tool that is well integrated almost always beats an excellent tool that lives in isolation, because the value is in the flow of data between them, not in each one on its own.
That is why many operations converge on platforms like HubSpot: not because each module is the best on the market, but because they are natively connected.
A note on "free tools": free is a fine way to start and to validate. It is a poor way to run an operation that has to scale, because the ceiling is low and the pieces rarely integrate. The cost that matters is not the licence, it is the data that never flows between disconnected tools.
We do not start with the stack. We start with process and measurement, and only then decide which tools serve them and how they integrate. Technology is a consequence of strategy, not the starting point. That is the logic of our Revenue Operations work.
If your team keeps adding tools but the data does not flow between them, you have a stack, not a system. The Diagnosis shows the difference.