The open-source alternative to Lindy

Looking for something like Lindy, but open source and free to start? Alfera is the AI coworker your whole team shares: a company brain that syncs your apps, connections shared per person or per team, permissions on every action, and Slack, WhatsApp and email. Self-host it in one click, or start on Alfera Cloud.

In one line: Alfera is open source with a company brain, vs a closed AI assistant in Slack, email and iMessage.

AI assistant / agent builderAlfera on GitHub
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LindyAI assistant / agent builderOpen source, or Alfera Cloud
What it isAI teammate that works in Slack, iMessage and email, connects to a team's tools, and runs tasks, routines and meeting notes.The AI coworker your whole team shares, with a company brain that syncs your apps. Open source.
Open sourceNoYes, AGPL-3.0
Self-hostNot publishedYes: one click on DigitalOcean or AWS, or one command on any server
PriceFree 7-day trial with $50 credits; Team $49.99/month per user, 5,000 credits/month; Enterprise: contact salesFree to start: open source to self-host, and Alfera Cloud starts with $10 of free AI usage
Where it worksSlack, Email, iMessage, SMS, Chrome extensionSlack, WhatsApp, email from its own address, the web app, a Mac app, the API and MCP
Team useOwners and admins invite Members or Admins to one workspace; credits pool across the team; credentials start personal and can be shared with the workspace.Multiplayer: one coworker for the whole team. It knows who is asking, and each connection is shared with everyone, one project, or one person
PermissionsSays nothing irreversible happens without your approval; you choose which changes need approval in shared Slack threads; every action is logged.Allow, ask first, or never, per connection and per action. Approvals in Slack, email or the app, and every action logged
Starts on its ownRoutines run on a schedule (daily, weekly, monthly) or on events: email received or sent, Slack message, calendar event starting, meeting ending.On a schedule, from a webhook, or on 600+ app events
ModelsPick a model per task; docs name OpenAI, Claude, Gemini and DeepSeek. Bring your own model key: not published.230+ models: Claude, GPT, Gemini, open models, your ChatGPT plan, or your own

Where Lindy is the better choice

Teams that want an AI teammate in Slack and iMessage for sales, marketing, support, operations, finance, product and engineering.

  • 1,000+ integrations listed on its integrations page (counter shows 1400+), plus any MCP server
  • Text it from your phone over iMessage and SMS, and use it inside Gmail via a Chrome extension
  • Built-in meeting recording and a searchable meeting library for Google Meet, Zoom and Teams

Everything Alfera does

  • A company brain that syncs your apps. Connect Google Drive, Notion, Slack and the rest. Documents sync on their own, keep every version, and every answer draws on them.
  • One coworker for the whole team. It knows who is asking. Many people, many tasks at once, each with their own chats and connections, and shared chats when you want.
  • 3,000+ app connections, shared the way you choose. Each connection is open to everyone, one project, or one person. A personal mailbox stays personal; the support inbox is the team’s.
  • Permissions on every action. Allow, ask first, or never, per connection and per action. Approvals land in Slack, email or the app, and every action is logged.
  • Where your team already is. Slack, WhatsApp, email from its own address, the web app, a Mac app, and your own code through the API and MCP.
  • It starts work by itself. On a schedule, from a webhook, or on 600+ app events in Gmail, HubSpot, Stripe and more.
  • Its own computer. Every chat runs in a sandbox with a terminal and a browser, and its files stay from one chat to the next.
  • Any model. 230+ models: Claude, GPT, Gemini, open models, your ChatGPT plan, or a model you run yourself.
  • Open source, and free to start. AGPL-3.0. Self-host it in one click on DigitalOcean or AWS, or start on Alfera Cloud with $10 of free AI usage.

Lindy and Alfera

Alfera. Alfera is the AI coworker your whole team shares. It has a company brain that syncs your apps, 3,000+ app connections shared per person or per team, permissions on every action, and it works in Slack, WhatsApp, email and the web app. It starts work by itself, runs on any model, and it is open source: self-host it in one click or start free on Alfera Cloud. Lindy is not open source.

Sources

Facts about Lindy come from its own pages, read on 16 October 2026. Something out of date? Write to hello@alfera.ai and we will fix it.