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sales

line-harness-oss: Free LINE CRM

Get a free LINE Official Account CRM for your startup, with step delivery and automation. For founders needing a sales tool.
intermediate⏱ 30 minutes💵 Free (self-hosted)
539 stars327 forksTypeScriptQuality 8/10Updated 7/20/2026100% free · open source
What it is

Use this skill to manage your LINE Official Account customer relationships.

What you can make with it

Automations like: when a user completes your LINE form, add them to your CRM and send a follow-up message via LINE, all without coding.

How it helps

It saves you money compared to paid CRM tools and gives you more control over the features you need.

Real use case example

"A solo developer wants to grow her LINE community. She creates a bot that welcomes new users and assigns a score based on their interactions. She sets a rule to follow up with users who need more support."

If you're new

Try this when you're just starting to use AI for CRM tasks and want a simple solution.

If you're senior

Use this as a starting point when you need a custom CRM for your LINE Official Account and want to avoid subscription fees.

Common confusion cleared up

Don't worry if you're new to CRM automation - this skill is free and easy to set up, and the open-source community is active with documentation and support.

Best inside these AI tools
Claude DesktopClaude APISelf-hosted
Pairs with
Stripe webhookNotion databaseLINE API
Why we list it on WorkflowStacks: It's included as a free and open-source alternative to paid CRM tools for social media channels.
What it does

Line-harness-oss provides a free LINE Official Account CRM for startups, offering features like step delivery, automation, and scoring to manage sales and customer interactions

Install / run
git clone https://github.com/Shudesu/line-harness-oss.git
When to use it
  • •When you need a cost-effective alternative to paid LINE Official Account CRMs
  • •When you want to automate sales and marketing processes on the LINE platform
  • •When you need to manage and score leads within your LINE Official Account
Quick start
  1. 1Copy the `.env.example` file to a new file named `.env` and fill in your LINE channel credentials
  2. 2Run `npm install` to install the required dependencies
  3. 3Configure the `src/config.ts` file to set up your CRM's behavior and automation rules
  4. 4Start the application with `npm run start` to begin using your LINE Official Account CRM
  5. 5Use the `src/line-bot.ts` file to customize your bot's behavior and respond to user messages
Ready-to-paste prompt
Create a new broadcast message by running `npm run broadcast -- --message 'Hello, this is a test broadcast!'`
Heads up: You need to have a LINE Developers account and a verified LINE Official Account to use line-harness-oss, as well as a Redis instance for data storage
Saves to your device
What's inside — free to inspect
No purchase needed

Read the entire source before you build — unlike paid marketplaces that hide it behind a buy button.

16
top-level files
5
folders
7.3M
repo size
—
license
Key files
AGENTS.md
package.json
README.en.md
README.es.md
README.ko.md
README.md
File tree
.github/
apps/
docs/
packages/
scripts/
.env.example
.gitignore
AGENTS.md
CONTRIBUTING.md
package.json
pnpm-lock.yaml
pnpm-workspace.yaml
README.en.md
README.es.md
README.ko.md
README.md
README.zh-CN.md
SECURITY.md
SUPPORT.md
tsconfig.base.json
vitest.config.ts
Quick Actions
Details
Creator
Shudesu
Language
TypeScript
Category
sales
Published
3/23/2026

Are you the creator of this tool? Claim your listing → and earn 85% of every sale.

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