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Opa is a open source programming language for web application development release under a dual license: Gnu Affero GPL and a private license. The language was first officially presented at the OWASP conference in 2010, and the source code was released on GitHub in June 2011.
| Opa | |
|---|---|
| Paradigm | multi-paradigm: functional, imperative |
| First appeared | 2011 |
| Typing discipline | strong, static |
| OS | Linux, Mac OS X |
| License | Affero GPL |
| Filename extensions | .opa, .opp |
| Website | opalang.org |
| Influenced by | |
| Ocaml | |
Philosophy
Opa is a single programming language for web applications, both for the client and server code.