Live on GitHubMIT Licensed

The Open Source ManyChat Alternative

Automate DMs, comments, and flows across Instagram, Facebook, WhatsApp, Telegram, X, Bluesky, and Reddit. Free, self-hostable, and built for developers.

MIT licensed. Self-host or use our cloud. No credit card required.

Welcome Flow — flow builder
Comment trigger

Keyword: "info"

Tag as lead

Tag: "interested"

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Platforms Supported
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Node Types
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Messages/Hour
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Uptime

Multi-Platform

7 Platforms, One Tool

ManyChat only supports 2. We support all the major ones.

InstagramInstagram
FacebookFacebook
WhatsAppWhatsApp
TelegramTelegram
XX / Twitter
BlueskyBluesky
RedditReddit

Why teams switch from ManyChat

Same features you rely on. More platforms. No monthly bill.

ManyChat

ZernFlow

Instagram & Facebook

WhatsApp

Telegram

X / Twitter

Bluesky & Reddit

Visual flow builder

AI responses (BYO key)

Choose your AI provider

Comment-to-DM

Live chat inbox

Sequences / drip campaigns

Contact CRM

Open source

Self-hostable

Free forever

Everything You Need

Build complete automation

From AI-powered conversations to drip campaigns — all the tools to grow your audience on social media.

Comment-to-DM

Someone comments a keyword? Instantly DM them your link, offer, or lead magnet. The most powerful growth tool in social media.

Visual flow builder

Drag-and-drop conversation flows. Welcome messages, follow-ups, sales funnels. No code required. 15+ node types at your fingertips.

AI responses

Let AI handle conversations with context-aware replies. Pick your provider: OpenAI, Anthropic, or Google. Your API key, your choice.

Live chat inbox

All your DMs in one centralized inbox. Bot handles the easy stuff, you jump in when it matters. Human takeover with one click.

Contact CRM

Tag your audience, build segments, track every interaction. Send the right message to the right people at the right time.

Broadcasts

Send promotions and updates to your entire audience. Target by tags, platform, or custom segments. Track delivery and engagement.

Sequences

Drip campaigns that run on autopilot. Message, wait, message. Enroll contacts automatically from any flow trigger.

Growth tools

Generate DM starter links for every platform. Share them anywhere — your bio, emails, landing pages — to start conversations instantly.

Webhooks & API

Connect to any external service. Push leads to Google Sheets, trigger Zapier, call any REST API, and build custom integrations.

MIT licensed

Open source. Not open-washing.

ZernFlow is fully open source under the MIT license. Read every line of code, self-host on your own infrastructure, or fork it and make it yours.

No "open core" tricks, no enterprise-only features behind a paywall. Your automations, your contacts, your data. You own everything.

7 platforms, one tool

Instagram, Facebook, WhatsApp, Telegram, X, Bluesky, Reddit. ManyChat only does 3.

Free forever

No monthly fees. No per-account charges. No feature limits. Ever.

Self-hostable

Clone the repo, set your env vars, deploy. Your server, your rules. Total control.

Community-driven

Built in public. PRs welcome. Roadmap shaped by users, not investors.

Simple Setup

Up and running in 5 minutes

No complex setup. No credit card. Just results.

01

Connect your accounts

Link your Instagram, Facebook, WhatsApp, Telegram, or any other platform in a few clicks. OAuth-powered and secure.

02

Build a flow

Use the visual drag-and-drop builder to create your automation. Pick a trigger, add messages, set conditions — all without code.

03

Watch it grow

Your flows run 24/7. Capture leads, answer questions, and sell while you sleep. Scale your engagement effortlessly.

Built for creators, businesses, and agencies

Creators

Auto-reply to comments, send lead magnets via DM, and grow your email list from social. Turn followers into customers.

Small businesses

Qualify leads through DM conversations, answer FAQs instantly, and book appointments on autopilot. Save hours every day.

Agencies

Manage all your clients' accounts in one workspace. Build flows once, reuse them across brands. Scale without scaling headcount.

Trusted by

What early users say

Switched from ManyChat and saved $150/month. Same features, more platforms, and I can host it myself. Absolute game-changer.

AC

Alex Chen

Creator, @alexcreates

The AI response node is incredible. I connected my OpenAI key and it handles 80% of my DMs. The human takeover feature is seamless.

SM

Sarah Miller

E-commerce owner

Managing 12 client accounts used to be a nightmare. Now I have everything in one workspace. My team loves the shared flow library.

MJ

Marcus Johnson

Agency owner

Pricing

Free forever. No hidden costs.

Self-hosted and MIT licensed. No per-platform fees, no monthly bills, no feature gates.

Self-Hosted

$0/month

Everything. Unlimited. Always free.

  • All 7 platforms
  • Unlimited contacts
  • Unlimited flows
  • AI responses (BYO key)
  • Full CRM
  • Broadcasts & sequences
  • Live chat inbox
  • Team management
  • All future features
Self-host now
Coming Soon

Cloud

Free/month

Managed hosting. No setup needed.

  • Everything in Self-Hosted
  • Managed infrastructure
  • Automatic updates
  • 99.9% uptime SLA
  • Priority support
  • Backup & restore
  • One-click setup
Join waitlist

Frequently asked questions

Is ZernFlow really free?

Yes. The core platform is MIT licensed and completely free. Self-host it on your own infrastructure with no limitations. No hidden paid tiers.

What platforms do you support?

Instagram, Facebook, WhatsApp, Telegram, X (Twitter), Bluesky, and Reddit. We're adding more based on community demand.

Do I need a Zernio API key?

Yes, a Zernio API key is required to connect your social media accounts. You can get one at zernio.com. It handles OAuth, rate limiting, and cross-platform messaging.

Can I use my own AI provider?

Absolutely. ZernFlow supports OpenAI, Anthropic (Claude), and Google (Gemini). Bring your own API key and choose which provider to use per flow.

How does this compare to ManyChat?

ZernFlow supports 7 platforms (ManyChat supports 3), is open source, self-hostable, and completely free. ManyChat starts at $15/month and gets expensive fast.

Stop paying for chat automation

Switch from ManyChat in minutes. Import your flows, connect your accounts, and go live.Free forever, open source, MIT licensed.