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Comparison · DevOps
Aiven vs Stirling-PDF
A side-by-side editorial comparison of Aiven and Stirling-PDF — release velocity, themes, recent moves, and the top alternatives to consider.
Aiven vs Stirling-PDF: at a glance
What is Aiven?
Aiven moves Grafana to 13 and gives Runtime apps custom domains.
Aiven's November releases mix pricing changes with plumbing between its own services. The MySQL free tier stops on 21 December, bring-your-own-key encryption is included at no extra cost, and a change-data-capture integration now copies PostgreSQL tables into ClickHouse in limited availability. On 12 November Grafana 13.2 became available alongside 12.4, without Git Sync or the Synthetic Monitoring app, and Aiven Runtime applications gained custom domains and readable URLs.
What is Stirling-PDF?
Stirling PDF plans to drop LibreOffice for its own converter within two weeks
Stirling PDF 3.0 in late September added the PDF Processor for bulk jobs, optional AI and free OAuth SSO. Releases since have come about every two weeks: group signing by default in 3.1.0, a Page Editor in 3.2.0, viewer and annotation work in 3.2.x. 3.3.0 lets users pick the beta Stirling Office Convert in many more tools and adds Windows ARM64, lighter mobile scanning and caching.
Aiven vs Stirling-PDF: editorial side-by-side
Aiven
6.3DEVOPS
Aiven moves Grafana to 13 and gives Runtime apps custom domains.
◆ Current state
Aiven's November releases mix pricing changes with plumbing between its own services. The MySQL free tier stops on 21 December, bring-your-own-key encryption is included at no extra cost, and a change-data-capture integration now copies PostgreSQL tables into ClickHouse in limited availability. On 12 November Grafana 13.2 became available alongside 12.4, without Git Sync or the Synthetic Monitoring app, and Aiven Runtime applications gained custom domains and readable URLs.
◆ Where it's heading
Aiven is filling out the layer around its databases: logs, access control, encryption, dashboards and now an application runtime with its own domains. Each release is small, but together they make it easier to keep both data and the apps that use it on Aiven.
◆ Prediction
Expect more Aiven Runtime features that connect apps to Aiven's own databases, and a default-version switch to Grafana 13 once 12.4 nears end of support.
Stirling-PDF
5.0DEVOPS
Stirling PDF plans to drop LibreOffice for its own converter within two weeks
◆ Current state
Stirling PDF 3.0 in late September added the PDF Processor for bulk jobs, optional AI and free OAuth SSO. Releases since have come about every two weeks: group signing by default in 3.1.0, a Page Editor in 3.2.0, viewer and annotation work in 3.2.x. 3.3.0 lets users pick the beta Stirling Office Convert in many more tools and adds Windows ARM64, lighter mobile scanning and caching.
◆ Where it's heading
The project is replacing third-party dependencies with its own components. 3.3.0 says Office Convert should become the default next week and LibreOffice should be removed the week after, which would shrink the install and change conversion results for every user.
◆ Prediction
Expect Office Convert to become the default converter in the next release, then LibreOffice removed, as 3.3.0's notes lay out. Conversion bug reports will decide whether that schedule holds.
Alternatives to Aiven and Stirling-PDF
Other DevOps products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either Aiven or Stirling-PDF.
Appsmith
Appsmith 2.7 makes its MCP agent ask before deleting widgets and blocks stale edits.
Apache Arrow Rust
Arrow Rust cuts release candidates on three older lines at once.
Sanity
Sanity's MCP server now explains failed validations and stops skipping them.
GitHub
GitHub sets a December 8 cutoff for ARM32 Actions runners and opens AI Scan to the API.
Manticore Search
Manticore keeps patching 31.x, now fixing a FREEZE crash and a DocID ordering bug.
See all Aiven alternatives → · See all Stirling-PDF alternatives →
Recent activity from Aiven and Stirling-PDF
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1d agoAivenAiven for Grafana® 13 is now available
- 1d agoAivenCustom domains and friendly URLs for Aiven Runtime applications
- 3d agoAivenReplicate PostgreSQL tables to ClickHouse with CDC (limited availability)
- 4d agoAivenExport event logs
- 4d agoAivenDatabase-level access control for Aiven for Valkey™
- 4d agoAivenApache Kafka MirrorMaker 2 now supports multiple versions
- 9d agoStirling-PDF3.3.0 Conversion upgrades, bug fixes and several minor improvements
- 21d agoStirling-PDF3.2.2 new annotations and other minor changes and improvements
- 23d agoStirling-PDF3.2.1 Viewer improvements and bug fixes
- 29d agoStirling-PDF3.2.0 New Multi-tool, better passworded PDFs and lots of improvements
- 1mo agoStirling-PDF3.1.0 Stirling Sign, signature improvements, Stirling Office Convert (beta) and text editor upgrades
- 1mo agoStirling-PDF3.0.2 bug fixes and dependency updates
Frequently asked questions
What is the difference between Aiven and Stirling-PDF?
They serve adjacent needs but don't currently overlap on shipped themes. Aiven is currently shipping more aggressively (velocity 6.3 vs 5.0), with 0 editorial sparks in the last 30 days against 0. See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is Aiven better than Stirling-PDF?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. Aiven is currently shipping more aggressively (velocity 6.3 vs 5.0), with 0 editorial sparks in the last 30 days against 0. For your specific use case, the alternatives sections above list other DevOps products to evaluate alongside.
What are the best alternatives to Aiven?
Top Aiven alternatives in DevOps are ranked by recent ship velocity. Browse the "Aiven alternatives" section above for the current picks, or visit /alternatives/aiven for the full list with editorial commentary on each.
What are the best alternatives to Stirling-PDF?
Top Stirling-PDF alternatives in DevOps are ranked by recent ship velocity. Browse the "Stirling-PDF alternatives" section above for the current picks, or visit /alternatives/stirling-pdf for the full list with editorial commentary on each.