AI and automation tools
212 tools in 26 categories, 5 of them open source. Free plans and starting prices come from each vendor's own pricing page, checked 21 October 2026.
Zoho Books
Accounting with a free plan under $50K revenue, six US plans priced per organization and the Zia AI assistant
FreeAgent
UK accounting for sole traders, companies and landlords, free with a NatWest Group business account
Invoice Ninja
Source-available invoicing, payments, expenses and time tracking, hosted from free or self-hosted