FusionAuth: Authentication and User Management Software
Offer your users flexible authentication options, including passwords, passwordless, single sign-on (SSO), and multi-factor authentication (MFA).
FusionAuth adds login, registration, SSO, MFA, and a bazillion other features to your app in days - not months.
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All Things Performance and Partner Marketing, All in One Place
Track calls, leads, and clicks without the manual work
Automatically tie revenue back to campaigns, channels, publishers, and networks through marketing attribution. Spend less time juggling reports, and more time optimizing for growth by using a single operating solution for partner and performance marketing.
Go Open Source, Distributed, Simple and efficient Search Engine
...Support custom scoring field and scoring rules. Support add online, delete index. Support heartbeat. Support multiple persistent storage. Support distributed index and search. Can be achieved distributed index and search. Look at Word segmentation rules.