Linq Alternatives with Open source

Providers with open source

Photon

Open-source agent framework with managed iMessage

Starting price

$25/month (Pro)

Free plan

Free: shared iMessage lines, up to 10 users (2.0 beta: 25 shared iMessage assignments and $100 credit)

SupportedMIT: spectrum-ts, imessage-kit and most SDKs

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Linq

iMessage, RCS and SMS API with flat monthly pricing

Starting price

$260/month (Pro)

Free plan

Hobby: $0, up to 20 contacts, used through the CLI

PartialSDKs, CLI and adapters are Apache-2.0 or MIT on GitHub. The messaging platform is closed.

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Blooio

One API for iMessage, WhatsApp and Apple Messages

Starting price

$39/month (Starter, shared number)

Free plan

Free trial: 20 messages total on a shared number, no credit card

PartialSDKs are Apache-2.0 on GitHub. The messaging platform is closed.

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Sendblue

iMessage API and CRM texting for sales and agents

Starting price

$100/month per line

Free plan

Free sandbox: shared number, up to 10 verified contacts, no webhooks

PartialSDKs and CLI are MIT or Apache-2.0 on GitHub. The messaging platform is closed.

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LoopMessage

iMessage, SMS, RCS and WhatsApp on one number

Starting price

$59.99/month per sender (Light)

Free plan

Sandbox: $0, 5 contacts, testing only; free shared plan for schools and non-profits

PartialOnly the n8n node is MIT on GitHub; the platform is closed.

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Chert

iMessage and FaceTime numbers for AI agents

Starting price

$25/month (Shared)

Free plan

24-hour trial: 10 messages and 10 FaceTime minutes on a shared line

PartialSDKs are MIT and a FaceTime link connector is Apache-2.0; the service is closed.

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BlueBubbles

Free, open-source iMessage bridge you host on a Mac

Starting price

Free

Free plan

Free and open source (Apache-2.0)

SupportedApache-2.0 (server, clients and Private API helper)

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messages.dev

TypeScript-first iMessage, RCS and SMS API

Starting price

$99/month per line

Free plan

Sandbox: 50 messages a day to your own paired phone

PartialTypeScript SDK and CLI are MIT on GitHub; the service is closed.

Visit messages.devRead more

Not supported or not listed

• MessageBlue
  Not listed
• Claw Messenger
  Not supportedCore service is not published; only MIT starter repos and plugins
• Texting Blue
  Not listedOnly the free website contact widget is described as open source
• Apple Messages for Business
  Not supportedApple-run proprietary service
• Twilio
  Not supportedClosed platform; SDKs, CLI and Agent Connect are MIT-licensed
• Sinch
  Not supportedClosed platform; SDKs and MCP server are Apache-2.0
• Telnyx
  Not supportedClosed platform; SDKs and CLI are MIT-licensed
• Vonage
  Not supportedClosed platform; SDKs, CLI and MCP server are Apache-2.0
• Bird
  Not supportedClosed platform; SDKs, n8n node and agent skills are MIT-licensed
• Infobip
  Not supportedClosed platform; API clients and the MCP server framework are MIT-licensed

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