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Open-source customer chat with self-hosting and inbox integrations

Papercups is an open-source live chat app for customer support teams. You can self-host it or use their hosted version, then connect channels like Slack, Mattermost, Gmail, SMS, and GitHub to manage conversations in one place.

Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric →

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Open Source
Web
API
Slack
Integrations
B2B
Self-Hosted
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Recent activity

What's happened with Papercups lately

  • Score change
    triggered by news
    Agenticness score 7 → 9 ↑79/36(+2)

    Score re-evaluated after: Paper raised $34 million from Accel and ICONIQ to build design tools for the agentic era.

    See the news that prompted this
  • News
    Paper raised $34 million from Accel and ICONIQ to build design tools for the agentic era.

    Paper announced a $34 million Series A led by Accel and ICONIQ, with backing from Designer Fund and investors tied to WorkOS, Lovable, Anthropic, and OpenAI. The company says it will use the money to speed product development and build AI-native workflows for designers. For those tracking agentic AI, this shows venture money still flowing into tools aimed at human-plus-agent work. The open question is which concrete product features the new funding will turn into first.

    via MarTech Series

News mentions sourced from our news feed; score changes from periodic re-evaluations.

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About

What It Is

Papercups is an open-source live customer chat web app written in Elixir. It is aimed at support teams and companies that want an alternative to tools like Intercom or Drift, especially if they care about privacy and want to keep customer data under their own control.

What to Know

Papercups is clearly more of a support inbox and chat platform than an autonomous AI agent. It can route, organize, and connect conversations across channels, but the crawled docs do not show any AI model usage, agentic behavior, or automated task execution beyond support workflows and integrations.

Key Features
Customizable website chat widget
Embed as a React component or HTML snippet
React Native support (alpha)
Flutter support (beta)
Slack integration for reading and replying to messages
Use Cases
A support team wants to embed live chat on its website and manage replies from a shared inbox
A privacy-conscious company wants to self-host customer conversations instead of sending data to a third-party SaaS
A team wants to handle support messages from Slack or Mattermost without leaving their chat tools
Agenticness: Guided Assistant

Executes tasks you assign, one step at a time, within narrow domains.

High evidence
Last evaluated: Jul 25, 2026

Dimension Breakdown

Action Capability
Autonomy
Planning
Adaptation
State & Memory
Reliability
Interoperability
Safety
Operator Sovereignty

Categories

Pricing
  • Free: Open-source self-hosted software; hosted pricing was not clearly listed in the crawled content.
  • Enterprise: Not publicly specified in the crawled content.
Details
AddedApril 1, 2026
RefreshedApril 1, 2026
Agenticness
Quick Facts
DeploymentHybrid (cloud + self-hosted)
AutonomyCopilot (human-in-loop)
Model supportSingle model
Open sourceYes
Team supportSmall team
Pricing modelFreemium
Interfacegui, browser, api
Sources
Last updated July 25, 2026
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