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Video Production · head to head

Kdenlive vs SolveSpace

Kdenlive logo

Kdenlive

Video Production

Free, open-source non-linear video editor from the KDE community

From
Free
Rated
-
Full reviewWebsite
S

SolveSpace

CAD

Open source parametric CAD with a constraint solver in a few megabytes

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Kdenlive relies on volunteer development so release cadence and bug fixes can be slower than commercial tools.; SolveSpace the in-house geometry kernel fails on complex boolean operations and fillets, and the failure is sometimes silent bad geometry rather than an error message, so models must be checked before export or manufacture.
  • They diverge on capability: Kdenlive covers Multi-track timeline, SolveSpace covers Constraint solver.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Kdenlive and SolveSpace actually diverge.

Attributes where Kdenlive and SolveSpace differ
AttributeKdenliveSolveSpace
Pricing modelopen-sourceOpen source, no licence fee
Platformswindows, mac, linuxWindows, macOS, Linux
CategoryVideo ProductionCAD

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 Kdenlive

  • Multi-track timeline
  • Proxy editing
  • Wide format support
  • Titler tool
  • Effects and transitions

Only in SolveSpace

  • Constraint solver
  • Solid modelling
  • Assemblies
  • Export formats
  • Small footprint

Both cover

  • Cross-platform

What people use each for

The jobs each tool is most often brought in to do.

Kdenlive

  • Free video editing for hobbyistsnot SolveSpace
  • Linux-native video productionnot SolveSpace
  • Educational video editingnot SolveSpace
  • Community/open-source project video worknot SolveSpace

SolveSpace

  • Designing 3D printed parts on a machine that cannot run mainstream CADnot Kdenlive
  • Teaching constraint-based parametric modelling without buying licences for a classroomnot Kdenlive
  • Checking that a mechanical linkage moves as intended before cutting metalnot Kdenlive
  • Producing dimensionally accurate STEP or STL output from a small open source toolchainnot Kdenlive

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Kdenlive

  • Relies on volunteer development so release cadence and bug fixes can be slower than commercial tools.
  • Lacks built-in advanced VFX/compositing found in tools like DaVinci Resolve.
  • Performance and stability can vary depending on system configuration and GPU drivers.
  • No official cloud collaboration or review features.

SolveSpace

  • The in-house geometry kernel fails on complex boolean operations and fillets, and the failure is sometimes silent bad geometry rather than an error message, so models must be checked before export or manufacture.
  • There is no proper drawing and dimensioning workflow, so manufacturing documentation has to be produced in another application.
  • Development is volunteer-led and intermittent; long gaps between releases are normal and there is no support contract available at any price.
  • Assembly-level import of external CAD is very limited, so it does not fit a supply chain that exchanges native or assembly-level models with suppliers.
  • The interface follows its own conventions rather than mainstream CAD ones, so existing SolidWorks or Fusion users spend time unlearning habits for a tool with a lower ceiling.

Pricing, plan by plan

Kdenlive

Free
  • FreeFree
    • Full editor
    • All effects and transitions
    • Community support

SolveSpace

Free
  • SolveSpaceFree
    • Full application under the GPL
    • No seat limit
    • Windows, macOS and Linux builds

Which should you pick?

Choose Kdenlive if

  • You need multi-track timeline.
  • You want to start without paying.
  • You work on windows, mac, linux.
  • You also want proxy editing.
Kdenlive review

Choose SolveSpace if

  • You need constraint solver.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want solid modelling.
SolveSpace review

Questions people ask

Is Kdenlive or SolveSpace better?
Neither clearly leads. Kdenlive starts at Free and SolveSpace at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Kdenlive or SolveSpace?
Kdenlive starts at Free and SolveSpace at Free.
Does Kdenlive or SolveSpace run on more platforms?
Kdenlive runs on windows, mac, linux. SolveSpace runs on Windows, macOS, Linux.
Can I use Kdenlive for free?
Both have a free tier, so you can try either at no cost before committing.
What is Kdenlive best used for?
Kdenlive is most often used for free video editing for hobbyists, linux-native video production, educational video editing, community/open-source project video work. Of those, free video editing for hobbyists and linux-native video production are not what SolveSpace is typically brought in for.
What can Kdenlive do that SolveSpace cannot?
Kdenlive covers Multi-track timeline, Proxy editing, Wide format support, Titler tool. SolveSpace covers Constraint solver, Solid modelling, Assemblies, Export formats. Both handle Cross-platform.

Answered from the vendors’ own pages

Kdenlive: Is Kdenlive free to use?

Yes, Kdenlive is completely free and open source, distributed under the GPL license with no cost to download or use, though donations to KDE e.V. are welcomed.

Source
SolveSpace: Is it really free for commercial work?

Yes. It is released under the GPL with no licence fee and no seat limit. Support is community only.

Kdenlive: What platforms does Kdenlive support?

Kdenlive runs on Linux, Windows, macOS, and BSD.

Source
SolveSpace: Can it replace Fusion 360 or SolidWorks?

No. It handles parts and simple assemblies well. Complex geometry, drawings and supply chain interoperability are outside its range.

Kdenlive: Where can I get help with Kdenlive?

Users can consult the user manual at docs.kdenlive.org, join the community Matrix channel, or ask on the KDE discussion forum.

Source
SolveSpace: What hardware does it need?

Very little. It runs on old laptops and small Linux machines where mainstream CAD will not start.

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