Compare the 6 agents in Research — independently verified, re-verified on a rolling schedule, graded on capability, pricing and compliance.
HokAI tracks 6 active tools in Research.
HokAI currently lists 6 active entries in Research. Each is verified against the vendor's own pages and re-checked as those pages change, so the count moves as the category does.
Brickanta, Perceptron ML, PermitFlow, Rogo and Trove AI, among the 6 entries in this section. Each links through to a full profile covering what it does, how it is priced where that is published, and how it compares with the alternatives in the same category.
None of the 6 current Research listings publish a free tier. Several offer trials or quote on request, so check the individual listing before assuming there is no way to test first.