Catervas tools library

Dograh

Open-source AI phone agent that answers calls, qualifies callers, books and transfers.

AI capabilities

AI phone receptionist / voice agents with a visual workflow builder, knowledge bases, tool calling, QA node, human hand-off via call transfer, outbound campaigns. Ships its own LLM/STT/TTS stack or bring your own keys.

Pricing

Free license. Hosting estimate: Usage-based: from $0.01/min on Dograh Cloud + telephony provider fees (e.g. Twilio number/minutes); self-host VPS ~$10-40

Open source

  • Code: https://github.com/dograh-hq/dograh
  • GitHub stars: 6030
  • Latest release: 2026-11-04
  • Hosting: Official Dograh Cloud (app.dograh.com): self-serve pay-as-you-go from 1 cent/min, credits from $5. Self-host free via one Docker command. Phone numbers/minutes come from your own telephony provider (Dograh does not sell them).
  • Backing: Dograh (startup; README says maintained by YC alumni and exit founders). Built on the Pipecat framework (BSD-2-Clause).
  • No enterprise folder found in repo root; README states '100% open source'. Managed cloud and on-prem are paid offerings.
  • No published GitHub security advisories found. Note: quickstart opens a public trycloudflare tunnel and has signup enabled by default; disable signup (ENABLE_SIGNUP=false) after creating the first account.

Trust checks

  • Admin-verified listing: Pass · Reviewed by the Catervas team: links and prices checked Nov 5, 2026
  • License verified: Pass · BSD-2-Clause is on the license allow-list
  • Active maintenance: Pass · Last release or commit 2026-11-04
  • No open critical security advisories: Pass · No unpatched critical or high advisories found. Keep it on the latest release.
  • Privacy and data policy: Pass · Self-hosted: your data stays on your own hosting.
  • Company or foundation backing: Pass · Dograh (startup; README says maintained by YC alumni and exit founders). Built on the Pipecat framework (BSD-2-Clause).

Problems it helps with

  • Missed calls and booking hassles while your hands are busy: An AI voice agent answers the calls you miss during rushes or while working on a client: takes orders/reservation and catering details, answers FAQs (hours, prices, openings), captures leads for quotes or tours, transfers to a human, and can place reminder/confirmation calls.
  • No-shows, late cancellations and empty chair time: An AI voice agent answers the calls you miss during rushes or while working on a client: takes orders/reservation and catering details, answers FAQs (hours, prices, openings), captures leads for quotes or tours, transfers to a human, and can place reminder/confirmation calls.
  • Filling open seats: tours, waitlists and missed calls: An AI voice agent answers the calls you miss during rushes or while working on a client: takes orders/reservation and catering details, answers FAQs (hours, prices, openings), captures leads for quotes or tours, transfers to a human, and can place reminder/confirmation calls.
  • Winning new customers: missed calls and slow follow-up: An AI voice agent answers the calls you miss during rushes or while working on a client: takes orders/reservation and catering details, answers FAQs (hours, prices, openings), captures leads for quotes or tours, transfers to a human, and can place reminder/confirmation calls.
  • Can't find or keep front-desk, MA, hygienist and billing staff: An AI receptionist that answers every call after hours or while staff are busy: it answers FAQs, takes messages, qualifies buyer and tenant leads and hands off to a human. It recovers missed calls without hiring more front-desk staff.
  • No-shows, missed phone calls and scheduling friction: An AI receptionist that answers every call after hours or while staff are busy: it answers FAQs, takes messages, qualifies buyer and tenant leads and hands off to a human. It recovers missed calls without hiring more front-desk staff.
  • Missed calls and slow replies lose new clients: An open-source alternative to Vapi/Retell: an AI phone agent picks up missed and after-hours calls, qualifies the job (no-heat emergency vs. estimate request), collects address and details, and hands off or books, so peak-season calls aren't lost.
  • Missed calls and slow lead response during busy seasons: An open-source alternative to Vapi/Retell: an AI phone agent picks up missed and after-hours calls, qualifies the job (no-heat emergency vs. estimate request), collects address and details, and hands off or books, so peak-season calls aren't lost.
  • Admin overload: scheduling, dispatch, paperwork and job records: An open-source alternative to Vapi/Retell: an AI phone agent picks up missed and after-hours calls, qualifies the job (no-heat emergency vs. estimate request), collects address and details, and hands off or books, so peak-season calls aren't lost.
  • Missed calls, slow replies and customer communication: An open-source alternative to Vapi/Retell: an AI phone agent picks up missed and after-hours calls, qualifies the job (no-heat emergency vs. estimate request), collects address and details, and hands off or books, so peak-season calls aren't lost.
  • Following up on leads while you're out showing homes: An AI receptionist that answers every call after hours or while staff are busy: it answers FAQs, takes messages, qualifies buyer and tenant leads and hands off to a human. It recovers missed calls without hiring more front-desk staff.
  • Property managers: tenant messages, maintenance and too many systems: An AI receptionist that answers every call after hours or while staff are busy: it answers FAQs, takes messages, qualifies buyer and tenant leads and hands off to a human. It recovers missed calls without hiring more front-desk staff.
  • Missed phone calls during rushes: An AI voice agent answers the calls you miss during rushes or while working on a client: takes orders/reservation and catering details, answers FAQs (hours, prices, openings), captures leads for quotes or tours, transfers to a human, and can place reminder/confirmation calls.

Works with

  • Twilio · Telephony: Twilio, Vonage, Telnyx, Plivo, Vobiz, Cloudonix, Asterisk ARI, WhatsApp Business voice calls;

Data as JSON: /api/tools/dograh · Compare tools: /compare · llms.txt

Information, not professional advice. Rankings can't be bought.