C++ websocket client/server library
WebSocket++ is a header only C++ library that implements RFC6455 The WebSocket
Protocol. It allows integrating WebSocket client and server functionality into
C++ programs. It uses interchangeable network transport modules including one
based on raw char buffers, one based on C++ iostreams, and one based on Asio
(either via Boost or standalone). End users can write additional transport
policies to support other networking or event libraries as needed.
Major Features
- Full support for RFC6455
- Partial support for Hixie 76 / Hybi 00, 07-17 draft specs (server only)
- Message/event based interface
- Supports secure WebSockets (TLS), IPv6, and explicit proxies.
- Flexible dependency management (C++11 Standard Library or Boost)
- Interchangeable network transport modules (raw, iostream, Asio, or custom)
- Portable/cross platform (Posix/Windows, 32/64bit, Intel/ARM/PPC)
- Thread-safe
Get Involved

Project Website
http://www.zaphoyd.com/websocketpp/
User Manual
http://docs.websocketpp.org/
GitHub Repository
https://github.com/zaphoyd/websocketpp/
GitHub pull requests should be submitted to the develop branch.
Announcements Mailing List
http://groups.google.com/group/websocketpp-announcements/
IRC Channel
#websocketpp (freenode)
Discussion / Development / Support Mailing List / Forum
http://groups.google.com/group/websocketpp/
Author
Peter Thorson - websocketpp@zaphoyd.com
Depends (1)
Reviews
Builds
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_fedora_44-gcc_16-bindist |
| timestamp |
2026-06-02 13:14:17 UTC (03 12:16:48 days ago) |
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error (update) | log | rebuild |
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public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0-static_O3 |
| timestamp |
2026-06-01 10:37:08 UTC (04 14:53:56 days ago) |
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error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0-O3 |
| timestamp |
2026-06-01 10:36:15 UTC (04 14:54:49 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-clang_15.0 |
| timestamp |
2026-06-01 10:35:24 UTC (04 14:55:41 days ago) |
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error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-static_O3 |
| timestamp |
2026-05-31 10:08:56 UTC (05 15:22:09 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew-O3 |
| timestamp |
2026-05-31 10:08:12 UTC (05 15:22:52 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin23.5.0 |
| tgt config |
macos_14-gcc_14_homebrew |
| timestamp |
2026-05-31 10:07:29 UTC (05 15:23:36 days ago) |
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error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22_libc++-static_O3 |
| timestamp |
2026-05-30 11:27:06 UTC (06 14:03:58 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22_libc++-O3 |
| timestamp |
2026-05-30 11:27:01 UTC (06 14:04:04 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22_libc++ |
| timestamp |
2026-05-30 11:26:42 UTC (06 14:04:22 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22-O3 |
| timestamp |
2026-05-30 11:26:27 UTC (06 14:04:37 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22-static_O3 |
| timestamp |
2026-05-30 11:26:23 UTC (06 14:04:41 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_22 |
| timestamp |
2026-05-30 11:26:02 UTC (06 14:05:02 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16-ndebug_O3 |
| timestamp |
2026-05-30 10:53:12 UTC (06 14:37:53 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16-O3 |
| timestamp |
2026-05-30 10:53:07 UTC (06 14:37:57 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-static_O3 |
| timestamp |
2026-05-30 10:52:54 UTC (06 14:38:10 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++-O3 |
| timestamp |
2026-05-30 10:52:48 UTC (06 14:38:16 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16-static_O3 |
| timestamp |
2026-05-30 10:52:42 UTC (06 14:38:22 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_16 |
| timestamp |
2026-05-30 10:52:30 UTC (06 14:38:34 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18_libc++ |
| timestamp |
2026-05-30 10:52:22 UTC (06 14:38:43 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-static_O3 |
| timestamp |
2026-05-30 10:52:13 UTC (06 14:38:51 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18-O3 |
| timestamp |
2026-05-30 10:51:54 UTC (06 14:39:11 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-clang_18 |
| timestamp |
2026-05-30 10:51:40 UTC (06 14:39:24 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_fedora_43-gcc_15-bindist |
| timestamp |
2026-05-30 10:40:27 UTC (06 14:50:37 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd15.0 |
| tgt config |
freebsd_15-clang_19-static_O3 |
| timestamp |
2026-05-30 10:31:37 UTC (06 14:59:27 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd15.0 |
| tgt config |
freebsd_15-clang_19-O3 |
| timestamp |
2026-05-30 10:31:29 UTC (06 14:59:35 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd15.0 |
| tgt config |
freebsd_15-clang_19 |
| timestamp |
2026-05-30 10:31:09 UTC (06 14:59:55 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_21_libc++ |
| timestamp |
2026-05-30 10:27:58 UTC (06 15:03:06 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-clang_21 |
| timestamp |
2026-05-30 10:27:45 UTC (06 15:03:20 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_14-bindist |
| timestamp |
2026-05-30 10:27:03 UTC (06 15:04:01 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_ubuntu_24.04-gcc_13-bindist |
| timestamp |
2026-05-30 10:27:02 UTC (06 15:04:03 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_15-O3 |
| timestamp |
2026-05-30 10:25:12 UTC (06 15:05:52 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_debian_13-gcc_15 |
| timestamp |
2026-05-30 10:24:50 UTC (06 15:06:14 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-apple-darwin22.5.0 |
| tgt config |
macos_13-clang_15.0 |
| timestamp |
2026-05-30 10:24:23 UTC (06 15:06:41 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-freebsd14.1 |
| tgt config |
freebsd_14-clang_18 |
| timestamp |
2026-05-30 10:21:52 UTC (06 15:09:12 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-ndebug_O3 |
| timestamp |
2026-05-30 10:04:37 UTC (06 15:26:27 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-static_O3 |
| timestamp |
2026-05-30 10:04:32 UTC (06 15:26:32 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14-O3 |
| timestamp |
2026-05-30 10:04:06 UTC (06 15:26:58 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_14 |
| timestamp |
2026-05-30 10:03:58 UTC (06 15:27:07 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.3 |
| tgt config |
windows_10-msvc_17 |
| timestamp |
2026-05-29 12:21:51 UTC (07 13:09:13 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
aarch64-linux-gnu |
| tgt config |
linux_debian_12-gcc_13 |
| timestamp |
2026-05-27 10:19:40 UTC (09 15:11:25 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-clang_21_msvc_18-static_O2 |
| timestamp |
2026-05-26 11:09:59 UTC (10 14:21:05 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-clang_21_msvc_18-O2 |
| timestamp |
2026-05-26 11:09:52 UTC (10 14:21:12 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-clang_21_msvc_18 |
| timestamp |
2026-05-26 11:09:19 UTC (10 14:21:46 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-msvc_18-static_O2 |
| timestamp |
2026-05-26 10:50:35 UTC (10 14:40:29 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-msvc_18-O2 |
| timestamp |
2026-05-26 10:50:33 UTC (10 14:40:32 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-microsoft-win32-msvc14.5 |
| tgt config |
windows_10-msvc_18 |
| timestamp |
2026-05-26 10:49:52 UTC (10 14:41:12 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-linux-gnu |
| tgt config |
linux_ubuntu_26.04-gcc_15-bindist |
| timestamp |
2026-05-25 12:45:22 UTC (11 12:45:43 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_15.2_mingw_w64-static_O2 |
| timestamp |
2026-05-23 10:49:28 UTC (13 14:41:37 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_15.2_mingw_w64-O2 |
| timestamp |
2026-05-23 10:49:11 UTC (13 14:41:53 days ago) |
| result |
error (update) | log | rebuild |
| toolchain |
public-0.18.1 |
| target |
x86_64-w64-mingw32 |
| tgt config |
windows_10-gcc_15.2_mingw_w64 |
| timestamp |
2026-05-23 10:48:30 UTC (13 14:42:34 days ago) |
| result |
error (update) | log | rebuild |