Update non-free.md

non-free.md

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 ## Decentralized Network
 
   * [Synereo](https://www.synereo.com/) - Decentralized network system based on blockchain that allows fast speed and great trust level. ([Source Code](https://github.com/synereo/synereo)) `Scala`  
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-## Document Archiving
- * [Ambar](https://ambar.cloud) - Self-Hosted Smart Document Archive (OCR, Store & Search). ([Source Code](https://github.com/RD17/ambar)) `Fair Source 1 v0.9` `Nodejs/Python`  
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 ## Federated Identity/Authentication
 
   * [Auth0](https://auth0.com/docs/appliance): `⊘ Proprietary`. Identity made simple for developers. `NodeJS`