- libextractor >= 0.6.1
- libmicrohttpd >= 0.9.18
- libgcrypt >= 1.2
-- libcurl >= 7.21.0
+- libcurl >= 7.21.3
- libunistring >= 0.9.2
+- gnutls >= 2.12.0
- libltdl >= 2.2 (part of GNU libtool)
- sqlite >= 3.0 (default database)
- mysql >= 5.1 (alternative to sqLite)