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Alternatives

10 best Roundcube alternatives

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

Roundcube starts at
Not listed
Free plan
Free plan
API
API available
  1. 01

    EspoCRM

    EspoCRM is an open-source customer relationship platform for managing contacts, sales pipelines, support cases, and marketing activity in one place. The vendor offers a self-hosted edition you can customize with workflows, automation, and extensions, plus a managed EspoCRM Cloud service with US or EU hosting.

    • From $45/mo
    • Free plan
    • API available

    Best for: Small and mid-sized teams that want a customizable CRM they can host themselves or run on EspoCRM’s managed cloud.

  2. 02

    ClearFlask

    ClearFlask is an open-source customer feedback platform for collecting ideas, prioritizing roadmaps, and publishing announcements. Teams can run the Apache-licensed stack self-hosted or use ClearFlask Cloud, with AI-assisted feedback analysis on the marketing site.

    • From $9/mo
    • Free plan
    • API available

    Best for: Product teams that want a feedback portal, public roadmap, and changelog without building tooling from scratch.

  3. 03

    Ever Gauzy

    Ever Gauzy is an open business management platform combining ERP, CRM, HRM, and project management modules. Teams can choose self-hosted editions or Gauzy Cloud subscriptions, with public-roadmap messaging that some modules may still be incomplete while the platform evolves.

    • From $17/mo
    • Free plan
    • API unknown

    Best for: Growing companies that want an open-source operations hub covering HR, CRM, projects, and accounting in one stack.

  4. 04

    Strapi

    Strapi is an open-source TypeScript headless CMS and content framework. Teams model content types, get auto-generated REST and GraphQL APIs, customize the admin and backend, and can self-host or deploy to Strapi Cloud.

    • From $35/mo
    • Free plan
    • API available

    Best for: Developers and content teams building API-first websites, apps, and AI-powered experiences who want full code ownership.

  5. 05

    Formboost.app

    Formboost is a developer-first form backend for HTML, React, and Next.js sites. Point forms at a single endpoint to collect submissions, send email or chat notifications, run AI-assisted spam checks, and add webhooks or sheet integrations on paid tiers.

    • From $9/mo
    • Free plan
    • API available

    Best for: Frontend developers who want a hosted submission pipeline without maintaining servers or databases.

  6. 06

    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.

  7. 07

    Financial Fusion

    Financial Fusion turns accounting data from QuickBooks, Xero, Zoho Books, Excel, or Google Sheets into branded financial reports and an AI CFO clients can question. It targets accounting firms adding advisory services with month-end reporting packages and white-label deliverables on higher tiers.

    • From $49/mo
    • Free tier unknown
    • API unknown

    Best for: Accountants, bookkeepers, and fractional CFO firms who want automated reporting plus client-facing AI explanations over live books.

  8. 08

    Chatwoot

    Chatwoot is an open-source customer support platform with cloud hosting, shared inboxes, live chat, help centers, automations, and Captain AI for copilot and assistant features. Cloud pricing is per agent with a free Hacker tier and paid plans that add channels, voice, and AI credits.

    • From $19/mo
    • Free plan
    • API available

    Best for: Support teams wanting an open-core Intercom alternative with optional AI copilot on hosted plans.

  9. 09

    FormKeep.com

    FormKeep provides hosted form endpoints so designers keep full control of HTML and CSS while submissions route to email, webhooks, and integrations. Plans differ by monthly submission caps, retention, branding removal, and team features.

    • From $4.99/mo
    • Free plan
    • API available

    Best for: Designers and developers who want drop-in endpoints without iframes or embedded widgets.

  10. 10

    Puter

    Puter is a browser-based cloud desktop that bundles documents, spreadsheets, presentations, chat, email, creative apps, business tools, and games under one Puter account. Paid plans expand storage, AI, and support while a free tier offers limited storage and AI.

    • From $10/mo
    • Free plan
    • API unknown

    Best for: Users who want many lightweight office and utility apps in the browser without installing separate desktop software.

Roundcube alternatives: common questions

What is the best free alternative to Roundcube?

EspoCRM has an ongoing free plan. The open-source edition is free to download and self-host; EspoCRM Cloud plans include a free trial before paid subscription. Free plans change, so check the vendor before relying on one.

What is the cheapest Roundcube alternative?

FormKeep.com has the lowest listed starting price at $4.99/mo.

Which Roundcube alternatives have an API?

EspoCRM, ClearFlask, Strapi, Formboost.app, Chatwoot mention API or developer access.