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SAP PowerDesigner Alternatives for Data and EA Modeling

SAP PowerDesigner is the data modeling and enterprise architecture tool that came to SAP with Sybase, which SAP agreed to buy in 2010. It still works and is still patched. The current release is 16.7, first shipped in April 2020, and SAP support notes now reference 16.7 SP10. New development has stopped, though. Long-time PowerDesigner consultant George McGeachie wrote in March 2025 that SAP will move the product to customer-specific maintenance from the end of 2027. ER/Studio's own blog uses December 2027, while CrossModel's comparison page says 1 January 2027.

SAP keeps the official date in knowledge base article 3280082, which needs an SAP for Me login. Check it against your own contract before you plan a cut-over. The nine tools below cover both halves of PowerDesigner. Six handle conceptual, logical and physical database models. Sparx Enterprise Architect and Archi cover architecture diagrams, and Hackolade adds NoSQL and JSON schemas. ETL, SQL client and mapping tools are left out because none of them build models.

Prices below are as of November 6, 2026. Our method is on How we review tools.

Quick comparison

Tool Best for Price Platforms
ER/Studio Data Architect Moving a large PDM estate with metadata intact From $2,687 per user (subscription) Windows desktop
erwin Data Modeler Teams that need a shared model repository No public price Windows, Mac
Hackolade Studio NoSQL, JSON and polyglot models Free Community; Workgroup EUR 175 per seat per month Windows, Mac, Linux; Community in browser
SqlDBM Cloud warehouses such as Snowflake and Databricks No public price Web browser
Sparx Enterprise Architect UML, ArchiMate and database models in one repository From US $229 per licence Windows
Navicat Data Modeler A desktop modeler on Mac or Linux Free Lite; perpetual licence USD 1,299 (reseller price) Windows, Mac, Linux
DbSchema Developers who want a cheap perpetual licence Free Community; Pro $294 one-time Windows, Mac, Linux
Oracle SQL Developer Data Modeler Oracle Database shops on zero budget Free Windows, Mac, Linux
Archi Free ArchiMate modeling Free, open source (MIT) Windows, Mac, Linux

ER/Studio Data Architect

ER/Studio, from Idera, is the closest like-for-like swap for a PowerDesigner data team. Its MetaWizard import list in the product docs names SAP PowerDesigner bridges for conceptual models (6.x and 7.5 to 16.x), logical models (15.x to 16.x) and physical models (6.1.x and 7.5 to 16.x). Object-oriented models from 9.x to 15.x come in through UML 2.x XMI.

The vendor is openly chasing PowerDesigner users, with a migration plan on its pricing page and a June 2026 blog post built around the end-2027 deadline. The Enterprise edition adds a web portal and links to governance tools such as Microsoft Purview and Collibra.

Best for: A data architecture team with hundreds of PDM files that wants the fewest manual fixes after import.

Pricing:

  • Data Architect: $2,687 per user, listed as a total subscription price
  • Data Architect Pro: $3,693 per user, subscription
  • Enterprise: contact sales
  • Free trial offered; ER/Studio does not publish its length

Watch out for:

  • ER/Studio does not publish how long the subscription term runs on its pricing page, and multi-year discounts go through sales.
  • XSM (XML) models are listed only as an export target in the bridge list, so PowerDesigner XML models need another route.

erwin Data Modeler

Quest sells erwin in three editions, according to its editions page. Standard covers conceptual, logical, physical, dimensional and NoSQL models. Workgroup adds the shared Mart repository with permissions, change management and central naming standards. Navigator is a read-only viewer for people who only browse models.

A July 2025 post on the erwin blog says the product has built-in import bridges for PowerDesigner and that models can move in batches, keeping domains, naming standards, keys and diagram layouts. Targets on the product page include Oracle, SQL Server, PostgreSQL, Snowflake, Databricks and BigQuery.

Best for: Organisations that used PowerDesigner's repository and want a central model store with check-in and permissions.

Pricing:

  • No public price; Quest sells through sales and resellers
  • Editions: Standard, Workgroup, Navigator

Watch out for:

  • Cost is the most common complaint in a PeerSpot pricing thread. One reviewer in August 2026 called the licensing process painful.
  • The Mac version is new. Quest's download page added erwin Data Modeler for macOS 15.1 (64-bit) on October 20, 2025, and the editions page still names only Windows.

Hackolade Studio

Hackolade started as a NoSQL and JSON schema modeler and now reads PowerDesigner files directly. Its PowerDesigner import guide covers .cdm, .ldm and .pdm files. Conceptual and logical files land in a Polyglot model. Physical files map to a model for the matching target, and several files can merge into one model.

The editions page lists 36 target entries, and Workgroup adds native Git for branching and peer review. A free Community edition runs in the browser but caps each model at 50 objects and leaves out forward and reverse engineering, per the edition matrix.

Best for: Teams moving from relational PowerDesigner models toward MongoDB, Cosmos DB or other document and JSON targets.

Pricing:

  • Community: free, in the browser, 50 objects per model
  • Workgroup: EUR 175 per dedicated seat per month, or EUR 1,750 per seat per year
  • Floating seats: contact sales
  • Personal and Professional prices are not listed on the pricing page
  • 14-day Workgroup trial, no card

Watch out for:

  • The import guide lists what does not carry over: links between models, XEM extension files, extended compositions, business rules, reports, and BPMN or UML models.

SqlDBM

SqlDBM runs entirely in the browser, which removes the desktop installs and license servers that PowerDesigner needs. Its PowerDesigner comparison page leans on cloud warehouses: native connectors for Snowflake, Databricks, Redshift, BigQuery and dbt, with dbt YAML generated from the model.

Models sync with GitHub, GitLab, Bitbucket and Azure DevOps. The pricing page also lists PostgreSQL, SQL Server, Oracle, AlloyDB and MySQL as transactional targets.

Best for: Analytics engineering teams that model Snowflake or Databricks and already work in dbt and Git.

Pricing:

  • No public price; quote per user
  • One plan with all features; AI Copilot credits billed separately

Watch out for:

  • SqlDBM does not document a PowerDesigner file import. The comparison page offers a migration consultation instead.
  • Reviewers on G2 say deployment and CI/CD steps often need custom scripts, and one notes conceptual modeling is missing.

Sparx Systems Enterprise Architect

PowerDesigner users who modelled business processes and architecture as well as tables will find more of that in Enterprise Architect than in any pure data modeler. Version 17.2 (build 1721, July 28, 2026) handles UML, BPMN and ArchiMate, plus database engineering with schema reverse engineering and DDL generation for Oracle, SQL Server, PostgreSQL, MySQL, DB2 and others.

The editions climb from Starter to Access All Areas. Enterprise Workhorse is the first tier with DBMS-hosted repositories, role-based security and auditing, which matter if you shared models through PowerDesigner's repository.

Best for: Architecture teams that want process, application and data models linked in one repository.

Pricing:

  • Starter: US $229 per licence, $299 floating
  • Enterprise Workhorse: US $299, $399 floating
  • Power Tools and Frameworks: US $499, $649 floating
  • Access All Areas: US $699, $899 floating
  • EA Lite: free, read-only
  • 30-day free trial

Watch out for:

  • There is no free editing edition. EA Lite on the shop page only opens and reads models.
  • Upgrades depend on a current subscription, and the shop page notes that renewals are charged at the higher edition after you upgrade.

Navicat Data Modeler 5 is a native desktop app for Windows, macOS 14 and later, and Linux, so Mac users no longer need a Windows VM. The product page lists conceptual, logical and physical models in one workspace, with relational, dimensional and Data Vault 2.0 methods and Crow's Foot, IDEF1X or UML notation.

Targets are MySQL, PostgreSQL, MongoDB, MariaDB, SQL Server, Oracle, SQLite and Snowflake. A free Lite edition exists for up to five users per organisation.

Best for: A small team on mixed Mac and Windows laptops that models a handful of mainstream databases.

Pricing:

  • Lite: free, up to 5 users per organisation
  • Enterprise perpetual licence: USD 1,299, shown as a reseller price on the plan page
  • Monthly and yearly subscriptions: price not published
  • 15% off 5 to 9 perpetual licences, 20% off 10 or more

Watch out for:

  • Lite drops reverse and forward engineering, SQL export, model conversion and database sync, per the feature matrix.
  • The product page lists no PowerDesigner import, so models come across as SQL scripts or live databases.

DbSchema

DbSchema is the cheapest paid option on this list that you can own outright. Pro is a one-time $294 with a year of updates, and each licence installs on two computers. It runs on Windows, macOS and Linux and connects to SQL and NoSQL databases over JDBC.

The vendor published a PowerDesigner migration guide in August 2026. You generate a DDL script from the physical model, then reverse-engineer it from a staging database or open the SQL files directly. Tables, keys, indexes, constraints and comments carry over.

Best for: Developers and small teams who want a perpetual licence for under $300 and design straight against live databases.

Pricing:

  • Community: free for any use
  • Pro: $294 one-time; updates $75 a year from year two
  • Architect: $470.40 one-time; updates $120 a year from year two
  • AI Assistant add-on: $9 a month
  • 15-day full trial

Watch out for:

  • Community cannot save designs to a file or work offline, per the purchase page.
  • The migration guide says VBScript macros, custom extended attributes, repository permissions and RTF reports must be rebuilt by hand.

Oracle SQL Developer Data Modeler

Oracle gives this modeler away. Version 24.3.1 is the current download, with a Windows build that bundles JDK 17, macOS builds including ARM64, and a Linux RPM. It builds logical and relational models and generates DDL for Oracle Database.

It can import erwin 7.3 models and Oracle Designer repositories, but the product page says nothing about PowerDesigner. Plan to move models as DDL or by reverse engineering a database.

Best for: Oracle DBAs and developers who need a no-cost modeler for Oracle schemas.

Pricing:

  • Free
  • Oracle Support only applies if you hold an Oracle Database licence

Watch out for:

  • The product page still lists MySQL, TimesTen, Sybase and SQL Server support as future plans with no commitment, so it is weak outside Oracle.

Archi

If you used PowerDesigner mainly for its enterprise architecture model, Archi replaces that part for free. It implements ArchiMate 3.2, runs on Windows 10 and later, macOS 11 and later, and 64-bit Linux, and the source is MIT licensed. Archi 5.10.0 came out on September 3, 2026.

Team sharing comes from the free coArchi plug-in, which stores models in a Git repository with conflict dialogs. The jArchi scripting plug-in handles reports and batch edits, though the compiled build is a reward for Patreon or PayPal supporters.

Best for: Architects who need ArchiMate views and can pair Archi with a separate tool for database models.

Pricing:

  • Free, open source, funded by donations

Watch out for:

  • Archi only models ArchiMate. It has no physical data model or DDL generation, so it covers half of what PowerDesigner did.
  • coArchi2, the faster rewrite, is still marked as work in progress on the plug-ins page.

How to choose

If you need Pick
Import hundreds of PowerDesigner CDM, LDM and PDM files with metadata ER/Studio Data Architect
A shared model repository with permissions and change tracking erwin Data Modeler
Model MongoDB, Cosmos DB or JSON schemas alongside relational ones Hackolade Studio
Browser-based modeling for Snowflake, Databricks and dbt SqlDBM
UML, BPMN, ArchiMate and database models in one tool Sparx Systems Enterprise Architect
A native data modeler on a Mac Navicat Data Modeler
A perpetual licence under $300 DbSchema
A free modeler for Oracle Database Oracle SQL Developer Data Modeler
Free ArchiMate diagrams Archi

When to stay with PowerDesigner

Stay on PowerDesigner for now if your SAP maintenance runs to the end of 2027 and your models lean on XEM extensions, VBScript macros or the shared repository. Hackolade's importer skips XEM files, and DbSchema's guide says macros and repository permissions must be rebuilt by hand. Use the remaining time to test an import of your largest models, not to rush a cut-over. Confirm your own end date in SAP note 3280082 first.

Frequently asked questions

Is SAP PowerDesigner being discontinued?

SAP has stopped adding features, and sources outside SAP put the end of mainstream maintenance at the end of 2027, after which it moves to customer-specific maintenance. SAP publishes the date in a support note that needs a login. In 2021 SAP retired Enterprise Architecture Designer and pointed its users to PowerDesigner, but no public SAP source names a successor to PowerDesigner itself.

What is the best PowerDesigner alternative?

For a straight data modeling replacement, ER/Studio Data Architect, because its import bridges cover PowerDesigner CDM, LDM and PDM files from version 6 to 16 and its price is public. Pick erwin if you also need a central repository, and Sparx Enterprise Architect if your PowerDesigner work included process and architecture models.

Can I import PowerDesigner models into another tool?

Yes, into ER/Studio, erwin and Hackolade, which read PowerDesigner files directly. DbSchema, Navicat and Oracle's modeler take the DDL you generate from a physical model instead, which keeps tables and keys but loses diagram layouts and extended attributes.

Is there a free alternative to PowerDesigner?

Oracle SQL Developer Data Modeler is free with no edition limits, and Archi is free for ArchiMate work. DbSchema Community, Navicat Data Modeler Lite and Hackolade Community are free too, but each removes something important, such as saving files, reverse engineering or models above 50 objects.

StartupStash

An editorial team. Writers who work in each category build the lists. Prices come from the vendors' own pages.

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