Alternatives
10 best Plunk alternatives
Tools that cover the same task as Plunk (assistant), ranked by how completely their pricing, free tier and API access are documented. Checked Oct 4, 2026.
- Plunk starts at
- Not listed
- Free plan
- Free plan
- API
- API available
- 01
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.
Best for: Designers and developers who want drop-in endpoints without iframes or embedded widgets.
- 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.
Best for: Product teams that want a feedback portal, public roadmap, and changelog without building tooling from scratch.
- 03
GetSite
GetSite is an AI website builder that generates multi-page business sites from a short description, including design, copy, images, hosting, SSL, forms, and SEO controls. Users can preview for free and publish live on paid plans with monthly AI credits for generation and updates.
Best for: Creators, freelancers, and agencies who want a hosted AI-built website without manual design or coding.
- 04
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.
Best for: Small and mid-sized teams that want a customizable CRM they can host themselves or run on EspoCRM’s managed cloud.
- 05
Form Plume
Form Plume is a hosted backend for HTML forms that receives submissions without custom server code. It filters spam, stores entries in a dashboard, sends email alerts, and supports webhooks and integrations for static sites and launch pages.
Best for: Indie developers and marketers who need a drop-in form endpoint for static sites and small production forms.
- 06
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.
Best for: Frontend developers who want a hosted submission pipeline without maintaining servers or databases.
- 07
Chatisto
Chatisto provides an AI customer support agent for small teams that answers web chat and email from your docs, with human handoff, flow builder, unified inbox, and analytics. Pricing is flat per team without per-seat fees on paid tiers.
Best for: Small businesses that want affordable AI-first support on web chat and email without Intercom-scale pricing.
- 08
Hoory
Hoory AI is an all-in-one customer support portal that combines ticketing, live chat, and AI assistants for handling customer conversations. Plans add shared channels, multilingual support, help centers, and bundled AI conversation credits with per-conversation overage pricing after included credits are used.
Best for: Support teams and small businesses that want affordable AI-assisted chat, ticketing, and contact management in one workspace.
- 09
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.
Best for: Users who want many lightweight office and utility apps in the browser without installing separate desktop software.
- 10
AI Puffer
AI Puffer is a WordPress plugin that adds AI chatbots, content writing, image generation, forms, and automations to WordPress sites. It supports AI Puffer Cloud with monthly free credits or your own API keys from OpenAI, Google, Anthropic, and other providers, with usage tracking and WooCommerce integrations.
Best for: WordPress site owners who want embedded chatbots, AI content workflows, and image tools without building custom integrations.
Plunk alternatives: common questions
What is the best free alternative to Plunk?
FormKeep.com has an ongoing free plan. Free plan is $0 with 50 submissions per month, spam protection, and one month retention. Free plans change, so check the vendor before relying on one.
What is the cheapest Plunk alternative?
FormKeep.com has the lowest listed starting price at $4.99/mo.
Which Plunk alternatives have an API?
FormKeep.com, ClearFlask, GetSite, EspoCRM, Form Plume mention API or developer access.