AltStack is an AI-powered no-code platform that turns your workflow description into fully functional, secure custom software in 48 hours. Replace Intercom, Calendly, DocuSign, Zapier, Airtable, and HubSpot with a single custom platform you own forever — no per-seat fees, no vendor lock-in. Industries: Legal, Accounting, Staffing & HR, Healthcare, Insurance, Real Estate. AI agents build, test, and deploy to your environment. Teams report saving 38% of SaaS spend on average.