 | |
| Developer(s) | Ericsson |
|---|---|
| Initial release | 1998 |
| Stable release | 27.3.3[1] 
/ 16 April 2025 |
| Repository | |
| Written in | Erlang |
| Operating system | Cross-platform |
| Platform | Cross-platform |
| Type | Programming Framework (middleware, libraries, tools, database) |
| License | Apache License 2.0 (since OTP 18.0) Erlang Public License 1.1 (earlier releases) |
| Website | www |
OTP is a collection of useful middleware, libraries, and tools written in the Erlang programming language. It is an integral part of the open-source distribution of Erlang. The name OTP was originally an acronym for Open Telecom Platform, which was a branding attempt before Ericsson released Erlang/OTP as open source. However neither Erlang nor OTP is specific to telecom applications.[2][3]
The OTP distribution is supported and maintained by the OTP product unit at Ericsson, who released Erlang/OTP as open-source in the late 1990s, to ensure its independence from a single vendor and to increase awareness of the language.
It contains:
- an Erlang interpreter (which is called BEAM);[4]
- an Erlang compiler;
- a protocol for communication between servers (nodes);
- a CORBA Object Request Broker;
- a static analysis tool called Dialyzer;
- a distributed database server (Mnesia); and
- many other libraries.
- ^ "Release 27.3.3". 16 April 2025. Retrieved 16 April 2025.
- ^ "M. Logan, E. Merritt, and R. Carlsson (2010) Erlang and OTP in Action" (PDF).
- ^ Erlang Solutions (1 March 2013). "OTP, the Middleware for Concurrent Distributed Scalable Architectures". Archived from the original on 2021-12-20 – via YouTube.
- ^ "Erlang -- Compilation and Code Loading". erlang.org. Retrieved 2017-12-21.
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