Is there a Manjaro Repository website like the arch one?

Non-technical Questions
4

No there is not

Define outdated - as compared to what?

As pointed to by @Teo Manjaro has 3 versions of the extra repo - and there is a reason for that - example

Keepass held back in testing

Using your example

 $ mbn info freecad -q
Branch         : archlinux
Name           : freecad
Version        : 1.1.1-2
Repository     : extra
Build Date     : Sat 18 Apr 2026 06:24:30 
Packager       : George Rawlinson <grawlinson@archlinux.org>
Branch         : unstable
Name           : freecad
Version        : 1.1.1-2
Repository     : extra
Build Date     : Sat 18 Apr 2026 06:24:30 
Packager       : George Rawlinson <grawlinson@archlinux.org>
Branch         : testing
Name           : freecad
Version        : 1.1.1-2
Repository     : extra
Build Date     : Sat 18 Apr 2026 06:24:30 
Packager       : George Rawlinson <grawlinson@archlinux.org>
Branch         : stable
Name           : freecad
Version        : 1.0.2-8
Repository     : extra
Build Date     : Wed 17 Dec 2025 00:13:01 
Packager       : Caleb Maclennan <alerque@archlinux.org>
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