Clearbit vs Sphinx: What are the differences?

Developers describe Clearbit as "APIs for determining who's behind an email address". Clearbit builds business intelligence APIs. Retrieve social data from emails and look up company information from domains. On the other hand, Sphinx is detailed as "Open source full text search server, designed from the ground up with performance, relevance (aka search quality), and integration simplicity in mind". It lets you either batch index and search data stored in an SQL database, NoSQL storage, or just files quickly and easily — or index and search data on the fly, working with it pretty much as with a database server.

Clearbit belongs to "Customer Information API" category of the tech stack, while Sphinx can be primarily classified under "Search Engines".

Some of the features offered by Clearbit are:

• Social lookup
• Company lookup
• Watchlist lookup

On the other hand, Sphinx provides the following key features:

• Output formats: HTML (including Windows HTML Help), LaTeX (for printable PDF versions), ePub, Texinfo, manual pages, plain text
• Extensive cross-references: semantic markup and automatic links for functions, classes, citations, glossary terms and similar pieces of information
• Hierarchical structure: easy definition of a document tree, with automatic links to siblings, parents and children

"Good usability" is the top reason why over 8 developers like Clearbit, while over 14 developers mention "Fast" as the leading cause for choosing Sphinx.

According to the StackShare community, Sphinx has a broader approval, being mentioned in 65 company stacks & 126 developers stacks; compared to Clearbit, which is listed in 22 company stacks and 53 developer stacks.