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Developer Tools · head to head

Frappe vs HTMX

Frappe logo

Frappe

Developer Tools

The Python web framework behind ERPNext, sold as managed hosting through Frappe Cloud

From
Free
Free plan
Yes
Full reviewWebsite
HTMX logo

HTMX

Web Development

Lightweight JavaScript library enabling AJAX, WebSockets, and server-sent events in HTML

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Each has a real cost: Frappe the framework is strongly opinionated: its own ORM, templating and job queue mean general Python and Django experience transfers only partly, and onboarding a new developer takes weeks rather than days.; HTMX best suited for server-rendered architectures, not pure client-side SPAs
  • They diverge on capability: Frappe covers DocType modelling, HTMX covers AJAX requests.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Frappe and HTMX actually diverge.

Attributes where Frappe and HTMX differ
AttributeFrappeHTMX
Pricing modelPer month by site or serveropen-source
PlatformsWeb, Linux, DockerWeb
CategoryDeveloper ToolsWeb Development

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Frappe

  • DocType modelling
  • Role and field permissions
  • Built-in REST API
  • Background jobs
  • Bench CLI
  • Frappe Cloud hosting
  • App marketplace
  • Multi-tenancy

Only in HTMX

  • AJAX requests
  • HTTP verb support
  • DOM targeting
  • Swap strategies
  • WebSocket support
  • Server-sent events
  • Out-of-band updates

What people use each for

The jobs each tool is most often brought in to do.

Frappe

  • A team building an internal business application that needs permissions, audit trail and an API on day one rather than in month threenot HTMX
  • An ERPNext user who wants managed hosting, automatic updates and offsite backups without hiring a systems administratornot HTMX
  • An Indian or emerging-market business that wants to pay for application hosting in local currency at local price pointsnot HTMX
  • A consultancy shipping custom vertical apps to clients on a shared framework with per-client site isolationnot HTMX

HTMX

  • Building interactive applications without JavaScript framework complexitynot Frappe
  • Server-rendered applications requiring dynamic updatesnot Frappe
  • Adding interactivity to existing server-side applicationsnot Frappe
  • Hypermedia-driven applications using HTML-first approachesnot Frappe

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Frappe

  • The framework is strongly opinionated: its own ORM, templating and job queue mean general Python and Django experience transfers only partly, and onboarding a new developer takes weeks rather than days.
  • The developer pool is small and heavily concentrated in India, so hiring Frappe experience elsewhere is slow and expensive relative to mainstream stacks.
  • Documentation is uneven in depth and lags behind releases in places, so real answers often come from reading the source or the community forum.
  • Major version upgrades of the framework have historically broken custom apps that reach past the DocType layer, so bespoke code carries a recurring maintenance cost at each upgrade.
  • Frappe Cloud recommends against its cheapest Hetzner-backed option for mission-critical production, so the headline $5 entry price is not the price of a production-grade deployment.

HTMX

  • Best suited for server-rendered architectures, not pure client-side SPAs
  • Limited client-side state management capabilities compared to frameworks
  • Smaller ecosystem with fewer third-party libraries and tools
  • Learning curve for developers from JavaScript framework backgrounds

Pricing, plan by plan

Frappe

Free
  • Framework, self-hostedFree
    • MIT licensed, no licence fee
    • Install with bench on your own Linux servers
    • You carry updates, backups and security patching
  • Frappe Cloud Sites$5/month
    • Also listed at ₹410 per month
    • Shared servers with 150+ installable apps
    • Automatic updates and offsite backups
  • Frappe Cloud Servers$40/month
    • Also listed at ₹3,600 per month
    • Dedicated or shared virtual machines
    • Unlimited sites on your server

HTMX

Free

No published plan breakdown. See the HTMX review.

Which should you pick?

Choose Frappe if

  • You need doctype modelling.
  • You want to start without paying.
  • You work on Web, Linux, Docker.
  • You also want role and field permissions.
Frappe review

Choose HTMX if

  • You need ajax requests.
  • You want to start without paying.
  • You also want http verb support.
HTMX review

Questions people ask

Is Frappe or HTMX better?
Neither clearly leads. Frappe starts at Free and HTMX at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Frappe or HTMX?
Frappe starts at Free and HTMX at Free.
Does Frappe or HTMX run on more platforms?
Frappe runs on Web, Linux, Docker. HTMX runs on Web.
Can I use Frappe for free?
Both have a free tier, so you can try either at no cost before committing.
What is Frappe best used for?
Frappe is most often used for a team building an internal business application that needs permissions, audit trail and an api on day one rather than in month three, an erpnext user who wants managed hosting, automatic updates and offsite backups without hiring a systems administrator, an indian or emerging-market business that wants to pay for application hosting in local currency at local price points, a consultancy shipping custom vertical apps to clients on a shared framework with per-client site isolation. Of those, a team building an internal business application that needs permissions, audit trail and an api on day one rather than in month three and an erpnext user who wants managed hosting, automatic updates and offsite backups without hiring a systems administrator are not what HTMX is typically brought in for.
What can Frappe do that HTMX cannot?
Frappe covers DocType modelling, Role and field permissions, Built-in REST API, Background jobs. HTMX covers AJAX requests, HTTP verb support, DOM targeting, Swap strategies.

Answered from the vendors’ own pages

Frappe: Is Frappe the same as ERPNext?

No. Frappe is the framework; ERPNext is the ERP application written on it. You can run Frappe without ERPNext to build your own applications.

HTMX: How big is the HTMX JavaScript library?

HTMX is only 16 kilobytes minified and gzipped with zero external dependencies.

Source
Frappe: What licence is the framework under?

MIT, which is permissive and imposes no obligation to publish your changes, unlike the AGPL used by several open source ERP rivals.

HTMX: Can HTMX work with JSON APIs?

While HTMX is optimized for HTML responses, it can work with JSON through additional configuration and response handling.

Source
Frappe: Can I pay in rupees?

Yes. Frappe Cloud publishes the same plans in Indian rupees, ₹410 a month for sites and ₹3,600 for servers, rather than converting a dollar price at checkout.

HTMX: Does HTMX support real-time features like WebSockets?

Yes, HTMX includes support for WebSockets and server-sent events for real-time bidirectional communication.

Source
Frappe: Do I have to use Frappe Cloud?

No, self-hosting with bench or Docker is fully supported and free. Frappe Cloud is a convenience purchase, and it funds the open source work.

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