The best alternatives to Zinc Search Engine are reactivesearch.io, Searchkit, and Seekr. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Trednix search engine allows you to find information from around the world, ranging from news, web pages, instant answers and much more. Trednix Search offers a secure search function to better protect your online activities.
Spectre™ ES is a desktop GUI for editing and deleting Documents in an Elasticsearch database. Edit or Remove Documents directly inline. Manage your Elasticsearch Database with an easy to use Kibana alternative.