Open source ManyChat alternativeView on GitHub

Automate your DMs and comments. Own your data.

The open source chat automation platform for Instagram, Facebook, Telegram, X, Bluesky, and Reddit. Like ManyChat, but free, open source, and works on 6 platforms.

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

Welcome Flow
Comment trigger

Keyword: "info"

Tag as lead

Tag: "interested"

Works with 6 platforms (ManyChat only supports 2)

InstagramFacebookTelegramX / TwitterBlueskyReddit

Why teams switch from ManyChat

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

ManyChat

ZernFlow

Instagram & Facebook

Telegram

X / Twitter

Bluesky & Reddit

Visual flow builder

Comment-to-DM

Live chat inbox

Contact CRM

Open source

Self-hostable

Free forever

Everything you need to grow on social

Comment-to-DM

Someone comments a keyword? Instantly DM them your link, offer, or lead magnet.

Visual flow builder

Drag-and-drop conversation flows. Welcome messages, follow-ups, sales funnels. No code.

Live chat inbox

All your DMs in one place. Bot handles the easy stuff, you jump in when it matters.

Contact CRM

Tag your audience, build segments, track interactions. Right message to the right people.

Broadcasts

Send promotions and updates to your audience. Target by tags, platform, or segments.

Webhooks & API

Connect to any tool. Push leads to Google Sheets, trigger Zapier, call external APIs.

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. No vendor lock-in, ever.

6 platforms, one tool

Instagram, Facebook, Telegram, X, Bluesky, Reddit. ManyChat only does 2.

Free forever

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

Self-hostable

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

Community-driven

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

Up and running in 5 minutes

Connect your accounts

Link your Instagram, Facebook, Telegram, or any other platform in a few clicks.

Build a flow

Use the visual builder to create your automation. Pick a trigger, add messages, set conditions.

Watch it grow

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

Built for creators, businesses, and agencies

Creators

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

Small businesses

Qualify leads through DM conversations, answer FAQs instantly, and book appointments on autopilot.

Agencies

Manage all your clients' accounts in one workspace. Build flows once, reuse them across brands.

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.