🚀 Twenty | Open-Source, Fully Customizable CRM

#opensource #crm #webdev #saas

Traditional CRMs often suffer from vendor lock-in, outdated UX, and limited customization. Businesses are forced to adapt to rigid systems instead of tools adapting to their workflows.

Twenty reimagines CRM with a flexible data model, modern UI, and end-to-end customizability. Built for startups and tech teams, Twenty lets you design a CRM that truly fits your business — not the other way around.

📌 Key Features:

✅ Custom Objects & Fields – Design CRM data models tailored to your workflow 🧩
✅ Dynamic Views – Switch between Table, Kanban & more 📊
✅ Workflow Automation – Triggers, actions & background jobs ⚙️
✅ Permissions & Roles – Granular access control for teams 🔐
✅ Email & Calendar Integrations – Communicate directly inside the CRM 📧📅
✅ High-Performance Backend – Powered by Redis, BullMQ & NestJS 🚀
✅ Open-Source & Self-Hostable – Full data ownership, no lock-in 🌍

🛠 Tech Stack & Architecture:

Core Language:
💻 TypeScript – Used across frontend, backend & tooling

Frontend:
🎨 React – SPA-based CRM UI
📦 Recoil – State management
💠 Emotion – CSS-in-JS styling
🌐 Lingui – Internationalization (i18n)

Backend:
🧠 NestJS – API & business logic
🗄 PostgreSQL – Primary database
⚡ Redis – Caching & performance
🔄 BullMQ – Background jobs & workflows

DevOps & DX:
🧱 Nx Monorepo – Shared libraries & fast builds
🧪 Jest & Chromatic – Testing & UI validation
📊 Sentry – Error monitoring
🌍 Crowdin – Translation management
🧹 ESLint & Prettier – Code quality

🌟 Problems Twenty Solves:

🔹 Vendor Lock-In – Own and control your data
🔹 Outdated UX – Modern, SaaS-level interface
🔹 Limited Customization – Fully adaptable CRM structure
🔹 Scalability Issues – Enterprise-grade architecture

🏗 High-Level Architecture:

• React SPA communicating via REST & GraphQL
• NestJS backend handling permissions, workflows & integrations
• PostgreSQL for structured CRM data
• Redis + BullMQ for background processing
• Nx monorepo for scalable development

🔗 GitHub Repo: https://reactjsguru.com/repos/introducing-twenty-a-flexible-developer-friendly-crm-for-the-modern-era?utm_source=devto&utm_medium=social&utm_campaign=repo_post

👨‍💻 Maintained by: TwentyHQ

Twenty is a next-generation CRM for teams who want flexibility, ownership, and modern UX without compromise.