Recommendable is the standard any curation product is trying to meet: not comprehensive, but worth passing on. It’s a real dictionary word, transparent in meaning, and rare enough in commercial use to still be available.
On the .net the platform and network readings come forward. A recommendation engine, a peer review network, a curated marketplace, or a social discovery product. The network framing is apt, since recommendations move through networks by definition.
The commercial case is straightforward. Recommendation is one of the highest-value functions in software, determining what people buy, watch, read, and hire, and the businesses built on it are among the most profitable anywhere.
Thirteen letters, five syllables, no hyphen, standard spelling, and the -able ending builds a judgement into the name. That’s better positioning than a neutral descriptive word, because it promises filtering rather than listing.
Offers considered.