| aho-corasick | ? | LGPL-3.0 | YES | lowercase support |
| cdb | 1.1.0 | Public Domain / CC0 | NO | |
| hiredis | 0.13.3 | BSD-3-Clause | YES | many changes |
+| libev | 4.33 | BSD-2-Clause | YES | many changes |
| lc-btrie | ? | BSD-3-Clause | YES | mempool support |
| libottery | ? | Public Domain / CC0 | YES | many changes |
| librdns | ? | BSD-2-Clause | YES | |
| libucl | ? | BSD-2-Clause | YES | |
| replxx | 0.0.2 | BSD-2-Clause | YES | libicu usage |
| lua-argparse | 0.7.0 | MIT | NO | |
+| lua-bit | 1.0.2 | MIT | YES | build fixes |
| lua-fun | ? | MIT | YES | rspamd text |
| lua-lpeg | 1.0 | MIT | YES | rspamd text + alloc|
| lua-moses | ? | MIT | NO | |
| uthash | 1.9.8 | BSD | YES | |
| xxhash | ? | BSD | NO | |
| zstd | 1.4.5 | BSD | NO | |
-| google-ced | ? | Apache 2 | NO | |
+| google-ced | 37529e6 | Apache 2 | YES | build fixes |
| kann | ? | MIT | YES | blas/lapack changes|
| fpconv | ? | Boost | YES | many changes |
| fastutf8 | ? | MIT | YES | many changes |