2051. oauth2
      Small library which allows to use OAuth2 protocol, original repository is here https://github.com/Neronus/oauth2
2052. objc
      objc Objective-C to Lisp Binding with Transparent Layer, 2025
2053. Object Representation
      hyperobject - Hyperobject is a Object Representation package for development
2054. object-class
      object-class ensures that special subclasses of standard-object cluster right in front of standard-object in the class precedence list
2055. Objective-CL
      Objective-CL is a Common-Lisp/Objective-C bridge currently supporting a range of Lisp implementations on Mac OS X and GNUstep
2056. ObjectStore
      ObjectStore is a commercial object database for C++ and Java
2057. obsolete
      Collection of pages about obsolete software
2058. Obtain libraries
      Here is a list of projects/libraries/tools intended to install libraries easily
2059. ocicl
      An OCI-based ASDF system distribution and management tool for Common Lisp
2060. OCML
      The Operational Conceptual Modelling Language (OCML) combines logical reasoning in a frame-based language with the flexibility of extra-logical facilities like procedural attachment

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