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AI · November 21, 2025

CO

Cossistant – open-source and open components support widget for React

I built Cossistant as a lightweight, open-source alternative to Intercom/Zendesk for NextJS/React devs. You can embed it with a simple NPM command and under 10 lines of code. The goal was so far to be a very very good human to human support platform, the next goal is to enable AI agents to auto-handle 80% of queries (train on your docs and knowledge) and eventually escalate to humans when needed. Everything is customizable with Tailwind or your custom React components. Support tools are bloated, pricey and never FEEL / LOOK like your product, this is why it's being shipped as…

What it does

In the maker’s words, at launch

I built Cossistant as a lightweight, open-source alternative to Intercom/Zendesk for NextJS/React devs. You can embed it with a simple NPM command and under 10 lines of code. The goal was so far to be a very very good human to human support platform, the next goal is to enable AI agents to auto-handle 80% of queries (train on your docs and knowledge) and eventually escalate to humans when needed. Everything is customizable with Tailwind or your custom React components. Support tools are bloated, pricey and never FEEL / LOOK like your product, this is why it's being shipped as part of your stack and not coming from someone else's. It's already generally available! Feedback/debates are welcome, what's missing?

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