AWS Mainframe Modernization vs pgloader
AWS Mainframe Modernization
aws.amazon.com
pgloader
pgloader.ioSide by side
| Figure | AWS Mainframe Modernization | pgloader |
|---|---|---|
| Price from | $0.31/mo | €100/mo |
| Free plan | — | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | — |
| Windows | Yes | — |
| Linux | Yes | Yes |
| API | Yes | — |
| Self-hosted | Yes | Yes |
| Plans published | 11 | 6 |
| Spec score · Cloud Migration Tools | 8.9 (#1) | 7.8 (#13) |
| Purpose | AWS Mainframe Modernization provides tools to plan and implement mainframe application migration and modernization on AWS. | pgloader migrates data into PostgreSQL from databases and flat files using schema translation, casting rules, and parallel loading. |
| Runtime | The managed runtime monitors clusters and provides self-healing compute and automated scaling. | Version 4 is distributed as a self-contained JAR and requires Java 21 or later. |
| Security | AWS Mainframe Modernization uses IAM-protected resources, and AWS requires TLS 1.2 for network clients while recommending TLS 1.3. | The site mentions Azure AD authentication for MS SQL Server but does not state security certifications or compliance attestations. |
Plans
AWS Mainframe Modernization
- AWS Transform for mainframe Runtime$0.31 a month
- File Transfer with BMC$1.30, paid once
- File Transfer with BMC (IBM z/OS)$1.30, paid once
- AWS Mainframe Modernization Rocket Developer$2.14 a month
- Rocket Developer$2.14 a month
- Code Conversion with mLogica$2.75, paid once
- Code Conversion with mLogica (Assembler to COBOL)$2.75, paid once
- AWS Mainframe Modernization Rocket Runtime$5.55 a month
- Rocket Runtime$5.55 a month
- Data Replication with Precisely$60, paid once
pgloader
- CommunityFree
- Supporter€100 a month
- Professional€800 a month
- Sponsor€2,000 a month
- Fast-Lane€3,000, paid once
- Per-Release Sponsor€10,000, paid once
In their own words
AWS Mainframe Modernization
AWS Mainframe Modernization has no write-up on Specifiction yet; its figures are above.
pgloader
pgloader migrates database and flat-file data into PostgreSQL using schema translation, casting rules, and parallel loading. Listed sources are MySQL, MariaDB, MS SQL Server, SQLite, CSV, fixed-width files, and DBF; Oracle support is not built yet. Its pipeline fetches the source catalog, prepares the PostgreSQL target, runs parallel COPY, creates indexes in parallel, and completes the schema. MySQL handling includes enum translation, converting TINYINT(1) to boolean, zero-date handling, and looking up credentials in .my.cnf. The MS SQL Server path includes Azure AD authentication, sequence migration, and multi-column foreign keys. For file imports, rejected rows can be separated after a failed COPY transaction while accepted rows continue loading. Custom casting rules go in a .load file. Version 3 in Common Lisp is the stable packaged release; version 4 is a pre-release JAR requiring Java 21 or later. The free Community tier has best-effort GitHub support. Paid support starts at €100/mo, with higher tiers offering priority handling, SLA-triaged patches, roadmap input, or issue-based support. It is self-hosted on Linux.