Open-Source Alternatives to Algolia and Coveo for Adobe AEM
If you run Adobe Experience Manager and need a real search experience — facets, autocomplete, relevance, and increasingly AI answers — you'll quickly hit the limits of out-of-the-box Oak indexing and start evaluating a dedicated search layer. The usual shortlist is Algolia, Coveo, and Lucidworks — all excellent, all SaaS, all priced per document and per query.
This post lays out the trade-offs honestly, including where the open-source option — Viglet Turing ES — fits and where it doesn't.
