sales

EspoCRM: Streamline Sales & Support with Open‑Source Flexibility

EspoCRM gives founders a customizable, single‑page CRM to manage leads, contacts, and email marketing—all backed by 3.5k+ GitHub stars.

From the repo · “EspoCRM – Open Source CRM Application”

intermediate⏱ 30 minutes💵 Free (self-hosted)
3,519 stars+23★ this week1,014 forksPHPGuide quality 9/10 · reviewed Oct 24Updated 10/24/2026100% free · open source
What it is

Automate sales tasks and book more meetings on autopilot.

Real use case example

"A founder with a growing sales team can use EspoCRM to automate tasks like scheduling follow-up calls after a meeting, saving 2-3 hours a week and allowing team members to focus on closing deals."

Best insideAny AI Client
When to use it
  • •When you need to organize and track leads, contacts, and accounts in a scalable way
  • •When your sales team requires a centralized platform to manage opportunities, quotes, and sales performance
  • •When you want to automate and analyze marketing campaigns, and measure their ROI
Ready-to-paste prompt
To get started, navigate to the 'Accounts' section and click 'Create Account' to add a new customer, filling in the required information such as company name, address, and industry.
Saves to your device
Use with Claude
New

Skip the builder — one click puts this in Claude, Cursor, Antigravity and more.

🛠️ Technical setup

Expect 20–40 minutes in a terminal — or let your AI agent drive it.

Try it instantly — no install
Claude Code
mkdir -p ~/.claude/skills/espocrm && curl -fsSL https://workflowstacks.com/api/skills/espocrm/claude-skill -o ~/.claude/skills/espocrm/SKILL.md
Open in another AI app

Opens the app with this repo with the prompt ready to go — no copy-paste needed.

Connect the whole catalog (MCP)
claude mcp add --transport http workflowstacks https://workflowstacks.com/api/mcp

Adds a WorkflowStacks connector to Claude Code: search and load any skill here by chatting.

How EspoCRM: Streamline Sales & Support with Open‑Source Flexibility works
Codeflow
Free to inspect

EspoCRM: Streamline Sales & Support with Open‑Source Flexibility is a very large PHP project (~445k lines across 4127 code files, plus 417 test files). It is a full software project: use it through its install path rather than reading it end to end. Last commit this month, AGPL-3.0 license, has a test suite.

Size
Very large codebase
~445k lines · 4127 code files · days to read — use, don't read
Setup
Developer setup
A real software project. Use it via its install path; don't expect to read it all.
Runs on
PHP · Node.js
No API keys detected
PHP 66%JavaScript 23%TypeScript 6%Less 3%Go Template 2%
Where to start reading
  1. 1
    README.md
    Start here — what it does and how to install it
  2. 2
    index.php
    Where the program starts running
  3. 3
    composer.json
    Dependencies and the commands it exposes
What's in each folder
client/Frontend / UI1501 files
frontend/Frontend / UI164 files
bin/Command-line entry points1 files
application/Folder7540 files
schema/Data models & types81 files
install/Folder76 files
upgrades/Folder71 files
js/Folder9 files
READMEHas testsDocumentedCI checksAGPL-3.0 licenseUpdated this month
Quick Actions
Details
Creator
espocrm
Language
PHP
Category
sales
Published
9/25/2014

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Featured on WorkflowStacks
[![Featured on WorkflowStacks](https://workflowstacks.com/api/badge/espocrm.svg)](https://workflowstacks.com/skills/espocrm?utm_source=github&utm_medium=badge)
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