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RealNetworks Community Source License 
Summary
The RealNetworks Community Source License (RCSL) is a software license. Developers pick this license when they do not want to open source their resultant Helix DNA-based application. RCSL has a free R&D license and commercial terms for distribution.[1]
The RCSL is used by the Helix project.
References edit
- ^ https://opensource.org/licenses/RPSL-1.0[dead link], license text
External links edit
- Complete text of the RCSL license at the Wayback Machine (archived 2014-12-26)