When comparing LMMS vs Ardour, the Slant community recommends LMMS for most people. In the question“What are the best DAWs?” LMMS is ranked 9th while Ardour is ranked 10th. The most important reason people chose LMMS is:
-interface look like FL Studio interface -main workspace for composing and editing melodies and harmonies is piano roll
Ranked in these QuestionsQuestion Ranking
Pro Has the possibility to become a great open-source alternative to FL Studio
-interface look like FL Studio interface
-main workspace for composing and editing melodies and harmonies is piano roll
Pro Free and open source
LMMS is available for free with source code licensed under GPL and available on GitHub allowing anyone to edit and extend the software as they see fit.
LMMS works on Linux, Windows and OSX.
Pro VST Support
Uses VeSTige as the VST plugin. It has some bugs but most VSTs work with it.
Pro Multiple languages support
Pro JACK Audio Connection Kit support
Pro MIDI controllers support
Just plug in and play. Plug in the MIDI keyboard before opening LMMS and it'll automatically pick up that you've connected the keyboard.
Pro LADSPA plugins support
Pro VST plugins support
LMMS is lightweight enough to be run off of a flash drive.
Pro Works with many VSTs and effects
Pro Open source
Ardour is open source, so it can be downloaded and modified without restriction.
Pro Compatible with Linux, Windows 7/8.1/10 and macOS
Ardour is cross-platform and works on Windows & macOS.
Pro Clean linear interface
Pro Linux version has JACK support
On Linux, you can use JACK to freely route audio and MIDI to and from other software as hardware.
Pro Free version with minimal limitations
Unlike some other DAW's which often limit saving, exporting, or advanced features, Ardour permits you to try all the features for free, with the only limitation being ten minutes of project length maximum.
Pro Multi-display support
Pro Inline mixing console
You can view and edit plugins directly from the console's mixing channels.
Pro Excellent support community.
Pro LV2 plugins support
Pro LADSPA plugins support
Con Program crashes a lot
This happens more frequently when loading VST files.
Con Pitch bending could be more native
Sometimes you can pitch bend with the Piano Roll Editor but with many instruments you cannot and are limited to the pitch knob in the main plugin interface.
Con No merging or splicing options
There is no feature that allows you to merge or splice tracks in LMMS.
Con Not user friendly
Ardour is very difficult to install and use.
Con No support for VST plugins for OS X
Plugins can be used on OS X only if they are downloaded in AU format, which is supported.
Con No free build for Windows
Con Too many plugins
It is hard to find good useful plugins. It looks like every developer's plugin has ended up in the list.
Con No 'scenes'
Ardour doesn't have 'scenes' like Ableton does (would be very handy for live-preformances).