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Alternatives

10 best Stacker alternatives

Tools that cover the same task as Stacker (assistant), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.

Stacker starts at
$50/mo
Free plan
Free trial
API
API unknown
  1. 01

    Continual

    Continual helps companies build custom internal software and AI agents on a shared credit-based workspace. Teams model operations such as supply chain, client services, finance, or engineering workflows without buying per-seat SaaS.

    • From $100/mo
    • Free plan
    • API unknown

    Best for: Operators who want a company OS with AI agents tailored to how their business actually runs.

  2. 02

    Sauna

    Sauna is a proactive AI teammate that learns how you work, remembers connected context, and acts across email, documents, Slack, iMessage, and thousands of integrations. It researches, follows up, and can build lightweight apps from natural-language requests.

    • From $29/mo
    • Free plan
    • API available

    Best for: Individuals and teams who want a persistent AI coworker across chat surfaces with shared memory and automations.

  3. 03

    Airtable AI

    Airtable is a collaborative app-building platform that embeds AI across databases, interfaces, automations, and agents. Teams use it to connect operational data, build no-code workflows, and apply AI to reporting, content, and cross-app integrations at scale.

    • From $20/mo
    • Free plan
    • API available

    Best for: Operations, marketing, and product teams that want AI-assisted workflows on structured data with interfaces and automations.

  4. 04

    ASSISTA AI

    Assista orchestrates AI teammates that run on your own Claude account to draft emails, research, publishing, and ops workflows across Gmail, Slack, GitHub, HubSpot, and 1,000+ integrations. Users set a goal and coordinator agents dispatch specialist workers for approval-first output.

    • From $20/mo
    • Free plan
    • API unknown

    Best for: Founders and operators who already pay for Claude and want scheduled, integration-heavy AI teammates without token markup.

  5. 05

    Monday.com

    monday.com is an AI work platform for coordinating people and agents across projects, docs, and automations. Teams use boards, templates, and integrated AI features to run workflows with free and paid seat-based plans published on the pricing page.

    • From $12/mo
    • Free plan
    • API unknown

    Best for: Teams that need a collaborative work OS with AI assistance for projects, docs, and operational tracking.

  6. 06

    Dify

    Dify is a platform for building production-ready agentic workflows, RAG pipelines, and AI apps with visual orchestration, knowledge bases, plugins, and multi-model support. It offers Dify Cloud SaaS plus self-hosted Community Edition and enterprise deployment options for teams moving from prototype to production.

    • From $59/mo
    • Free plan
    • API available

    Best for: Developers and teams building agents, chat apps, and knowledge pipelines who want collaborative workspace deployment on cloud or private infrastructure.

  7. 07

    Canvas

    Canvas builds AI systems that improve from experience, including Canvas Coworker for long-running GTM and knowledge-work tasks. The company couples research on self-improving agents with credit-based SaaS pricing for its coworker product.

    • From $20/mo
    • Free plan
    • API unknown

    Best for: GTM and knowledge-work teams that want an AI coworker designed to learn from feedback over long-running tasks.

  8. 08

    Droxy

    Droxy is an all-in-one platform to build and deploy customer-facing AI agents across website chat, phone, messaging, and social comment channels. Agents train on your site and knowledge base to answer questions, collect leads, recommend products, and hand off to humans.

    • From $16/mo
    • Free tier unknown
    • API unknown

    Best for: Small businesses and agencies that need 24/7 AI agents across web, phone, and social inboxes without stitching together separate bot tools.

  9. 09

    Airtop

    Airtop compiles natural-language automations into deterministic web agents that log into apps, extract data, and run on schedules with self-healing retries. Agent Builder, Mark for marketers, and integrations cover CRM, ads, spreadsheets, and legacy portals under a credit-based SaaS model.

    • From $29/mo
    • Free plan
    • API available

    Best for: Go-to-market, ops, and finance teams automating browser workflows where APIs are missing or incomplete.

  10. 10

    Astogi

    Astogi sells integrations and automations that extend Asana, including auto task numbering, ChatGPT inside tasks, round-robin assignment, team alias and collaborator tools, and Git commit tracking. Teams can start on a free tier for one project or subscribe for more integrations and unlimited tasks.

    • From $29/mo
    • Free plan
    • API unknown

    Best for: Asana teams that want pre-built automations and optional custom integrations for project workflows.

Stacker alternatives: common questions

What is the best free alternative to Stacker?

Continual has an ongoing free plan. Free plan includes starter credits, one project, and unlimited collaborators Free plans change, so check the vendor before relying on one.

What is the cheapest Stacker alternative?

Monday.com has the lowest listed starting price at $12/mo, compared with $50/mo for Stacker.

Which Stacker alternatives have an API?

Sauna, Airtable AI, Dify, Airtop mention API or developer access.