What is the best alternative to Formstack?

Based on company usage data, cal_com is the most widely adopted alternative, detected on 244 websites.

How many companies use Formstack?

AgentData detects Formstack on 55 company websites as of October 2026.

Are companies switching away from Formstack?

AgentData tracks technology changes across company websites. Check back for switching trends as we detect more changes.

Formstack alternatives

Ranked by real company usage

The most popular alternatives to Formstack based on AgentData's analysis of 55 company websites are cal_com (244 companies), Google Forms (239 companies), hubspot_forms (218 companies).

Formstack: 55 companiesCategory: forms5 alternatives found

Top alternatives to Formstack

244 companies

239 companies

218 companies

26 companies

20 companies

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55 companies with emails, tech stacks, and contacts

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API access

GET /api/v1/tech?name=formstack

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Compare

Formstack vs cal_comCompare →Formstack vs Google FormsCompare →Formstack vs hubspot_formsCompare →Formstack vs Netlify FormsCompare →

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