ERP · head to head
ADempiere vs Twenty
ADempiere
ERP
Community-run open source ERP forked from Compiere, with no vendor behind it
- From
- Free
- Rated
- -
The short version
- Each has a real cost: ADempiere there is no company behind it, so there is no support contract to buy, no SLA, no escalation path and no roadmap commitment; if your implementation partner leaves the market you own the problem entirely.; Twenty requires technical expertise to customize and maintain compared to no-code CRM platforms
- They diverge on capability: ADempiere covers Application dictionary, Twenty covers Open-Source Framework.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which ADempiere and Twenty actually diverge.
Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in ADempiere
- Application dictionary
- Financial accounting
- Order to cash and procure to pay
- Inventory and warehouse
- Manufacturing
- Point of sale
- Workflow engine
- Java and PostgreSQL stack
Only in Twenty
- Open-Source Framework
- Custom Database Objects
- Multiple View Types
- AI Integration
- Workflow Engine
- Data Migration
- API Access
- Multi-Language Support
What people use each for
The jobs each tool is most often brought in to do.
ADempiere
- A manufacturer in Latin America with an existing ADempiere consulting partner that needs localised tax and accounting behaviour a global vendor will not buildnot Twenty
- A company that wants to modify ERP screens and document workflows without a vendor change request, using the application dictionary rather than codenot Twenty
- An organisation with a hard requirement to keep financial data on its own servers under its own control with no cloud dependencynot Twenty
- A systems integrator building a vertical ERP product on a permissive base it can fork and ship without paying a licence feenot Twenty
Twenty
- Building custom CRM solutions for complex business processesnot ADempiere
- Migrating from Salesforce or HubSpot while maintaining data ownershipnot ADempiere
- Technical teams needing TypeScript-based customizationnot ADempiere
- Organizations requiring self-hosted or air-gapped deploymentsnot ADempiere
- Enterprises combining CRM with AI-powered workflowsnot ADempiere
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
ADempiere
- There is no company behind it, so there is no support contract to buy, no SLA, no escalation path and no roadmap commitment; if your implementation partner leaves the market you own the problem entirely.
- The official website adempiere.net does not resolve, which strands most of the historic documentation and tutorials that search engines still point at and makes onboarding a new developer considerably harder.
- The last conventional stable release, 3.9.4, is from January 2023, so despite ongoing GitHub activity a buyer evaluating on release cadence sees a project moving slowly.
- iDempiere, a later fork of the same codebase, absorbed much of the developer community, so ADempiere competes for contributors with its own descendant and is the smaller of the two ecosystems.
- The interface and the Java Swing heritage feel dated, and staff coming from a modern cloud ERP will need training and will complain; expect resistance from finance and warehouse users during rollout.
Twenty
- Requires technical expertise to customize and maintain compared to no-code CRM platforms
- Self-hosting increases operational overhead and infrastructure costs
- Limited ecosystem of pre-built integrations compared to Salesforce
- Smaller community and third-party extension library than established CRMs
- Enterprise plan requires custom negotiation with no transparent pricing
Pricing, plan by plan
ADempiere
Free- Community editionFree
- GPL v2 licensed, no licence fee
- Full ERP, CRM, supply chain and POS modules
- Self-hosted on your own infrastructure
Twenty
Free- Pro$9/month
- Full customization
- Custom apps
- AI Agents
- Organization$19/month
- Everything in Pro
- Row-level permissions
- SAML and OIDC SSO
- Enterprise$null/year
- Everything in Organization
- Single-tenant isolation
- IP allow-listing
Which should you pick?
Choose ADempiere if
- You need application dictionary.
- You want to start without paying.
- You work on Web, Windows, macOS, Linux, Self-hosted.
- You also want financial accounting.
Choose Twenty if
- You need open-source framework.
- You want to start without paying.
- You work on Web, Self-hosted.
- You also want custom database objects.
Questions people ask
- Is ADempiere or Twenty better?
- Neither clearly leads. ADempiere starts at Free and Twenty at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, ADempiere or Twenty?
- ADempiere starts at Free and Twenty at Free.
- Does ADempiere or Twenty run on more platforms?
- ADempiere runs on Web, Windows, macOS, Linux, Self-hosted. Twenty runs on Web, Self-hosted.
- Can I use ADempiere for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is ADempiere best used for?
- ADempiere is most often used for a manufacturer in latin america with an existing adempiere consulting partner that needs localised tax and accounting behaviour a global vendor will not build, a company that wants to modify erp screens and document workflows without a vendor change request, using the application dictionary rather than code, an organisation with a hard requirement to keep financial data on its own servers under its own control with no cloud dependency, a systems integrator building a vertical erp product on a permissive base it can fork and ship without paying a licence fee. Of those, a manufacturer in latin america with an existing adempiere consulting partner that needs localised tax and accounting behaviour a global vendor will not build and a company that wants to modify erp screens and document workflows without a vendor change request, using the application dictionary rather than code are not what Twenty is typically brought in for.
- What can ADempiere do that Twenty cannot?
- ADempiere covers Application dictionary, Financial accounting, Order to cash and procure to pay, Inventory and warehouse. Twenty covers Open-Source Framework, Custom Database Objects, Multiple View Types, AI Integration.
Answered from the vendors’ own pages
ADempiere: Should I choose ADempiere or iDempiere?
Look at iDempiere first. It is a later fork of the same codebase with a more active community and a modular OSGi architecture. Choose ADempiere if a specific partner or localisation you need only exists there.
Twenty: Is Twenty free or paid?
Twenty offers a 30-day free trial without credit card. Cloud plans start at $9 per user per month (Pro) when billed annually, with Organization plan at $19 per user per month.
SourceADempiere: Is ADempiere free?
The software is GPL licensed with no licence fee. The cost is implementation, customisation and permanent in-house maintenance, which for a real deployment is substantial.
Twenty: Can I migrate data from Salesforce or HubSpot?
Yes, Twenty supports CSV and API-based migration from Salesforce and HubSpot, with support for 50,000+ records.
SourceADempiere: Is the project still alive?
Development continues on GitHub with commits into 2026, but the official website is down and the last stable release is from January 2023. Treat it as maintained rather than actively advancing.
Twenty: What programming languages does Twenty support?
Twenty is built with TypeScript and provides a TypeScript-based Apps framework for creating custom extensions.
SourceADempiere: What is the application dictionary?
It is the metadata layer inherited from Compiere that stores the definition of every window, field and validation rule as data, so you can change the application without touching source code.
Twenty: How long does enterprise deployment take?
Enterprise deployment typically takes 1-2 weeks with Onboarding Packs or certified partners.
SourceRelated pages
Other head to heads
- ADempiere vs Metasfresh
- ADempiere vs Odoo
- ADempiere vs Dolibarr
- ADempiere vs Tryton
- ADempiere vs iDempiere
- ADempiere vs Apache OFBiz
- ADempiere vs Axelor
- ADempiere vs QAD Adaptive ERP
- ADempiere vs SYSPRO
- ADempiere vs DEAR Systems
- ADempiere vs Fishbowl
- ADempiere vs NetSuite
- ADempiere vs Sage X3
- ADempiere vs Aptean
- ADempiere vs QAD
- ADempiere vs Pipedrive
- ADempiere vs HubSpot
- ADempiere vs Salesforce
- ADempiere vs EspoCRM
- ADempiere vs Krayin
- ADempiere vs SuiteCRM
- ADempiere vs Vtiger
- ADempiere vs SugarCRM
- ADempiere vs Less Annoying CRM
- ADempiere vs Daylite
- ADempiere vs Clari
- ADempiere vs Clay
- ADempiere vs OnePageCRM
- ADempiere vs Ontraport
- ADempiere vs Really Simple Systems
- ADempiere vs Salesflare
- ADempiere vs Scratchpad
- ADempiere vs Seamless.AI
- Twenty vs Metasfresh
- Twenty vs Odoo
- Twenty vs Dolibarr
- Twenty vs Tryton
- Twenty vs iDempiere
- Twenty vs Apache OFBiz
- Twenty vs Axelor
- Twenty vs QAD Adaptive ERP
- Twenty vs SYSPRO
- Twenty vs DEAR Systems
- Twenty vs Fishbowl
- Twenty vs NetSuite
- Twenty vs Sage X3
- Twenty vs Aptean
- Twenty vs QAD
- Twenty vs Pipedrive
- Twenty vs HubSpot
- Twenty vs Salesforce
- Twenty vs EspoCRM
- Twenty vs Krayin
- Twenty vs SuiteCRM
- Twenty vs Vtiger
- Twenty vs SugarCRM
- Twenty vs Less Annoying CRM
- Twenty vs Daylite
- Twenty vs Clari
- Twenty vs Clay
- Twenty vs OnePageCRM
- Twenty vs Ontraport
- Twenty vs Really Simple Systems
- Twenty vs Salesflare
- Twenty vs Scratchpad
- Twenty vs Seamless.AI