# Introduction In this pull-request we introduce a service dedicated to the twenty-standard app installation, we will later be able to re-use existing logic to be more generic and allow any app installation. For the moment sticking to this usage https://github.com/twentyhq/core-team-issues/issues/1995 ## Encountered issues - We decided not to migrate deprecated fields ( also they will become custom field for any existing workspace having them in the future ) - duplicate criteria - wrong search index declaration - forgotten isSearchable - Attachement seed - Restored standardId ## Note For the moment we're still searching through standardId for code that run on both existing and new workspaces. For code running on new workspace exclusively we're searching using universalIdentifier We will standardize universalIdentifier usage later when we've migratred all the existing workspaces ## Workspace creation Will handle workspace creation the same way in another PR Related https://github.com/twentyhq/twenty/pull/15065 ## TODO - [ ] Double all frontend hardcoded queries to not refer to deprecated fields especially attachments
The #1 Open-Source CRM
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Installation
See: 🚀 Self-hosting 🖥️ Local Setup
Does the world need another CRM?
We built Twenty for three reasons:
CRMs are too expensive, and users are trapped. Companies use locked-in customer data to hike prices. It shouldn't be that way.
A fresh start is required to build a better experience. We can learn from past mistakes and craft a cohesive experience inspired by new UX patterns from tools like Notion, Airtable or Linear.
We believe in Open-source and community. Hundreds of developers are already building Twenty together. Once we have plugin capabilities, a whole ecosystem will grow around it.
What You Can Do With Twenty
Please feel free to flag any specific needs you have by creating an issue.
Below are a few features we have implemented to date:
- Personalize layouts with filters, sort, group by, kanban and table views
- Customize your objects and fields
- Create and manage permissions with custom roles
- Automate workflow with triggers and actions
- Emails, calendar events, files, and more
Personalize layouts with filters, sort, group by, kanban and table views
Customize your objects and fields
Create and manage permissions with custom roles
Automate workflow with triggers and actions
Emails, calendar events, files, and more
Stack
- TypeScript
- Nx
- NestJS, with BullMQ, PostgreSQL, Redis
- React, with Recoil, Emotion and Lingui
Thanks
Thanks to these amazing services that we use and recommend for UI testing (Chromatic), code review (Greptile), catching bugs (Sentry) and translating (Crowdin).
Join the Community
- Star the repo
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- Follow us on Twitter or LinkedIn
- Join our Discord
- Improve translations on Crowdin
- Contributions are, of course, most welcome!




