When comparing Crystal Space 3D vs HeroEngine, the Slant community recommends HeroEngine for most people. In the question“What are the best 3D game engines?” HeroEngine is ranked 24th while Crystal Space 3D is ranked 41st.
Ranked in these QuestionsQuestion Ranking
Pro Scripting language bindings (via swig) python, perl, tcl
Scripting language biddings are available via swig, supposedly any swig target could be used If you are okay with building, and probably maintaining, the project for your own needs then you may be able to build bindings for your favorite scripting platform.
As noted in a slant "con", there are no binary releases, including no prebuilt bindings.
Pro Cross platform
Runs on all major desktop platforms.
Pro Real time development- No nightly builds
Pro Streamlines MMO development
Backend completely handled by the team at Hero.
Pro Versoning control included in both HeroEngine and HeroBlade
No need for Perforce, Github or any other versioning software. It is built in. Check, Compare, Merge, revert, etc.
Pro Server and Networking built in
Pro Engine developer support
Developers of the engine and game developers are active on the Forums and Skype for private messaging.
Pro Very active community and support groups
Skype channel and forums questions answered by developers of HE and users very quickly.
Pro Highly optimized asset export plugins included
Though the export pipeline may be different and currently requires 3ds Max or Maya, the format is highly optimized to reduce high quality models down to KB's.
Able to create many types of games and scales all the way from a single area up to a full-blown MMO.
Designed for the needs of a MMO. HSL is also relatively easy to learn as scripting languages go. It was geared towards beginners, not time hardened programmers, and as such, its easier for a novice to pick it up sometimes, than a c++ programmer. That, and it was intended to be "readable" more like English.
Con No binary releases.
Expect to compile this from source if your want to play with it.
Ubuntu has a package for it, but that package appears to be missing it's scripting language bindings. I expect the build is also quite old and i fear may be dropped in coming Ubuntu releases.
Con Lack of DirectX 11.1 or 12 support
DirectX 9 is the last version supported.
A standalone scripting language with (so far) little in the way of learning resources.