Any other ones are gonna be a little niche but from what I can tell these four (with rails) have the most large and active communities atm.
When I struck out on my own I realised that I no longer had team consideration as a constraint and went a little bit off the beaten path.
Every client I have used it for has had nothing but praise for how maintainable the software is.
Any other ones are gonna be a little niche but from what I can tell these four (with rails) have the most large and active communities atm.