Overview
Cossistant is a developer-focused support platform providing headless React/Next.js components, real-time messaging, APIs, and backend infrastructure, with customizable AI support agents highlighted in its repository description.
Features and best fit
Based on official documentation; not hands-on tested · Content checked:
Embed support UI with headless React components
@cossistant/react and @cossistant/next let product teams shape the support interface around their existing application design.
Use real-time messaging and backend infrastructure together
WebSockets, Hono/tRPC APIs, authentication, Postgres, and Redis form the backend side of the support experience.
For SaaS teams building a support experience that should match their product
It fits teams that want to control support UI and AI-agent behavior rather than embedding a fixed third-party chat product.
Sources: [2]
Resolve the license wording discrepancy before use
The LICENSE file is standard AGPL-3.0, while the README adds non-commercial wording and a commercial-license requirement. Confirm the applicable terms with the maintainer.
Official sources
- [1]cossistantcom/cossistant repository(2026-09-20)
- [2]Cossistant README(2026-09-20)
- [3]Cossistant documentation(2026-09-20)
- [4]Cossistant license file(2026-09-20)
Supplemental curator note
Cossistant provides more than a chat widget: it includes real-time messaging and backend infrastructure for developer-built support experiences. The README says “AGPL-3.0 for non-commercial use” and asks commercial users to obtain a separate license, while the LICENSE file contains standard AGPL-3.0. Clarify the applicable terms with the maintainer before commercial use or redistribution.
Try it in 3 steps
- 1
Get the source
git clone --depth 1 https://github.com/cossistantcom/cossistant.git - 2
Enter the repository
cd cossistant - 3
Check the official steps
Continue with the commands in the README Installation, Quick Start, or Getting Started section.
find . -maxdepth 1 -iname 'README*' -exec sed -n '1,220p' {} \; -quit
Growth
Growth trends · Last 30 days
723 Stars
Trend data is still being collected.
Development activity
Last 90 days · weekly
- Commits (last 30 days)
- 2
- Open PRs
- 2
Development activity is still being collected.
Built with
Categories and tags
GitHub data
GitHub dataView detailed GitHub data
GitHub Topics
- agent
- ai
- aiagent
- nextjs
- react
- support
- Stars
- 723
- Forks
- 49
- Watchers
- 3
- Open issues
- 3
- Contributors
- 5
- Primary language
- TypeScript
- License
- AGPL-3.0
- Repository last updated
- Sep 18, 2026
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