Software products we build, run and improve.
Aventheon is a bootstrapped software company with three live products: PDFCourt for documents, ShuffleTurn for live audiences and Klaveno for AI clinical notes. We also bring the same engineering to other teams, as consulting, modernization and AI integration.
Have an aging app, an AI feature or a search problem? The first 30-minute call is free.
Aventheon portfolio
- PPDFCourtPDF tools and document workflowsLive
- SShuffleTurnFair turns and live audience sessionsLive
- KKlavenoAI scribe for clinical documentationEarly access
- 3 products in production
- Built in-house
- Bootstrapped
What we build
Three products, built and run by Aventheon.
Aventheon is a product company first. We design, ship and operate each of these ourselves: a PDF toolkit, a live audience tool and an AI scribe. Every client engagement draws on what we learn keeping them running.
Built and maintained in-house. We also take on consulting, modernization and AI integration work for other teams, informed by shipping our own products.
How we run themNumbers from our own analytics
PDFCourt, up close.
PDFCourt is our most established product. These figures come from our own analytics, not estimates.
Engineering services
The same team, available to yours.
Running our own products taught us what makes software hard to keep alive. We now take on a limited number of client projects: software modernization, practical AI integration and web builds. Modernization is where we are most structured, so that is where we start.
Why now
Per the Next.js support policy, only versions 15 and 16 are supported today. An app on 13 or 14 no longer gets fixes. That is the kind of dated, checkable deadline we build a plan around.
The offer ladder
Four steps, and you can stop at any of them.
Start free. Pay for an assessment only when you want a real roadmap. Commit to a sprint only after you have seen the plan and the fixed quote.
- Step 1
Free 30-minute Triage
One page naming the top risks in your stack.
Free
30 minutes plus a written page
Details - Step 2
Modernization Assessment
A written roadmap with a fixed quote for the work.
Starts at $2,500
1 to 2 weeks
Details - Step 3
Upgrade Sprint
One defined version target, reached in controlled steps.
Quote-based
2 to 6 weeks
Details - Step 4
Care Plan
Monthly patching so you do not fall behind again.
Monthly
Ongoing, month to month
Details
Assessment starts at $2,500 and is credited against the sprint. If we do not deliver the roadmap, you get the fee back. Sprints are quoted after the assessment. See how a sprint runs.
Inside an Upgrade Sprint
Boring on purpose. That is how upgrades stay safe.
01
Pin the target
We agree on one version target you can verify, such as Next.js 16 or a supported Django release, and what is out of scope.
02
Tests first
Before changing anything we add tests around the behavior that matters, so every later step can be checked against how the app works today.
03
Upgrade in small steps
Dependencies and framework versions move one controlled step at a time. Each step builds, passes the tests, and could ship on its own.
04
Rollback and handoff
You get a written rollback plan and docs your team can follow. Then the code is yours to carry on with, with or without us.
How we compare
A staged upgrade versus a typical rewrite.
This describes how we work, not a claim that everyone else works badly. Some projects really do need a rewrite, and the assessment will say so when they do.
| Dimension | Typical rewrite or agency | Aventheon |
|---|---|---|
| Approach | Propose a full rewrite and a long cutover | Staged upgrades, each one shippable and reversible |
| Proof it still works | Manual testing near the end | Tests written first, so behavior is checked at every step |
| Scope and price | Open-ended estimate that grows with discovery | Assessment first, then a fixed quote for a defined version target |
| If something goes wrong | Fix forward and hope | A rollback plan written before anything ships |
| Who does the work | Sold by a partner, staffed by whoever is free | One accountable lead and vetted senior engineers, reviewed by us |
| Access and ownership | Code and logins held by the vendor | Your repo, your credentials, handoff docs at the end |
| Track record | A long client list you cannot check | A new firm that runs three live products of its own, so you can check the work |
Approach
Proof it still works
Scope and price
If something goes wrong
Who does the work
Access and ownership
Track record
Alongside a modernization
Two supporting lines.
Questions worth answering up front
Free 30-minute Triage
A short call and one written page naming the top risks in your stack. Questions first? Write to hello@aventheon.com.
Book my free Triage

